100,000,000

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100000000
List of numbers — Integers ← 100 101 102 103 104 105 106 107 108 109
Cardinal	One hundred million
Ordinal	100000000th (one hundred millionth)
Factorization	28 × 58
Greek numeral	${\displaystyle {\stackrel {\alpha }{\mathrm {M} }}}$
Roman numeral	C
Binary	1011111010111100001000000002
Ternary	202220111120122013
Octal	5753604008
Duodecimal	295A645412
Hexadecimal	5F5E10016

100,000,000 (one hundred million) is the natural number following 99,999,999 and preceding 100,000,001.

In scientific notation, it is written as 10⁸.

East Asian languages treat 100,000,000 as a counting unit, significant as the square of a myriad, also a counting unit. In Chinese, Korean, and Japanese respectively it is yi (simplified Chinese: 亿; traditional Chinese: 億; pinyin: yì) (or Chinese: 萬萬; pinyin: wànwàn in ancient texts), eok (억/億) and oku (億). These languages do not have single words for a thousand to the second, third, fifth powers, etc.

100,000,000 is also the fourth power of 100 and also the square of 10000.

Selected 9-digit numbers (100,000,001–999,999,999)[]

100,000,001 to 199,999,999[]

• 100,000,007 – smallest nine digit prime^[1]
• 100,005,153 – smallest triangular number with 9 digits and the 14,142nd triangular number
• 100,020,001 = 10001², palindromic square
• 100,544,625 = 465³, the smallest 9-digit cube
• 102,030,201 = 10101², palindromic square
• 102,334,155 – Fibonacci number
• 102,400,000 = 40⁵
• 104,060,401 = 10201² = 101⁴, palindromic square
• 105,413,504 = 14⁷
• 107,890,609 – Wedderburn-Etherington number^[2]
• 111,111,111 – repunit, square root of 12345678987654321
• 111,111,113 – Chen prime, Sophie Germain prime, cousin prime.
• 113,379,904 = 10648² = 484³ = 22⁶
• 115,856,201 = 41⁵
• 121,242,121 = 11011², palindromic square
• 123,454,321 = 11111², palindromic square
• 123,456,789 – smallest zeroless base 10 pandigital number
• 125,686,521 = 11211², palindromic square
• 126,491,971 – Leonardo prime
• 129,140,163 = 3¹⁷
• 129,145,076 – Leyland number
• 129,644,790 – Catalan number^[3]
• 130,691,232 = 42⁵
• 134,217,728 = 512³ = 8⁹ = 2²⁷
• 134,218,457 – Leyland number
• 139,854,276 = 11826², the smallest zeroless base 10 pandigital square
• 142,547,559 – Motzkin number^[4]
• 147,008,443 = 43⁵
• 148,035,889 = 12167² = 529³ = 23⁶
• 164,916,224 = 44⁵
• 165,580,141 – Fibonacci number
• 167,444,795 – cyclic number in base 6
• 170,859,375 = 15⁷
• 177,264,449 – Leyland number
• 179,424,673 – 10,000,000th prime number
• 184,528,125 = 45⁵
• 190,899,322 – Bell number^[5]
• 191,102,976 = 13824² = 576³ = 24⁶

200,000,000 to 299,999,999[]

• 205,962,976 = 46⁵
• 212,890,625 – 1-automorphic number^[6]
• 214,358,881 = 14641² = 121⁴ = 11⁸
• 222,222,222 – repdigit
• 222,222,227 – safe prime
• 223,092,870 – the product of the first nine prime numbers, thus the ninth primorial
• 225,058,681 – Pell number^[7]
• 225,331,713 – self-descriptive number in base 9
• 229,345,007 = 47⁵
• 232,792,560 – superior highly composite number;^[8] colossally abundant number;^[9] the smallest number divisible by all the numbers 1 through 22
• 244,140,625 = 15625² = 125³ = 25⁶ = 5¹²
• 244,389,457 – Leyland number
• 253,450,711 – Wedderburn-Etherington prime^[2]
• 254,803,968 = 48⁵
• 267,914,296 – Fibonacci number
• 268,435,456 = 16384² = 128⁴ = 16⁷ = 4¹⁴ = 2²⁸
• 268,436,240 – Leyland number
• 268,473,872 – Leyland number
• 272,400,600 – the number of terms of the harmonic series required to pass 20
• 275,305,224 – the number of magic squares of order 5, excluding rotations and reflections
• 282,475,249 = 16807² = 49⁵ = 7¹⁰
• 292,475,249 – Leyland number

300,000,000 to 399,999,999[]

• 308,915,776 = 17576² = 676³ = 26⁶
• 312,500,000 = 50⁵
• 321,534,781 – Markov prime
• 331,160,281 – Leonardo prime
• 333,333,333 – repdigit
• 345,025,251 = 51⁵
• 364,568,617 – Leyland number
• 367,567,200 – colossally abundant number,^[10] superior highly composite number^[11]
• 380,204,032 = 52⁵
• 381,654,729 – the only polydivisible number that is also a zeroless pandigital number
• 387,420,489 = 19683² = 729³ = 27⁶ = 9⁹ = 3¹⁸ and in tetration notation ²9
• 387,426,321 – Leyland number

400,000,000 to 499,999,999[]

• 400,080,004 = 20002², palindromic square
• 400,763,223 – Motzkin number^[4]
• 404,090,404 = 20102², palindromic square
• 405,071,317 = 1¹ + 2² + 3³ + 4⁴ + 5⁵ + 6⁶ + 7⁷ + 8⁸ + 9⁹
• 410,338,673 = 17⁷
• 418,195,493 = 53⁵
• 429,981,696 = 20736² = 144⁴ = 12⁸
• 433,494,437 – Fibonacci prime, Markov prime
• 442,386,619 – alternating factorial^[12]
• 444,444,444 – repdigit
• 459,165,024 = 54⁵
• 477,638,700 – Catalan number^[3]
• 479,001,599 – factorial prime^[13]
• 479,001,600 = 12!
• 481,890,304 = 21952² = 784³ = 28⁶

500,000,000 to 599,999,999[]

• 503,284,375 = 55⁵
• 522,808,225 = 22865², palindromic square
• 535,828,591 – Leonardo prime
• 536,870,911 – third composite Mersenne number with a prime exponent
• 536,870,912 = 2²⁹
• 536,871,753 – Leyland number
• 543,339,720 – Pell number^[7]
• 550,731,776 = 56⁵
• 554,999,445 – a Kaprekar constant for digit length 9 in base 10
• 555,555,555 – repdigit
• 594,823,321 = 24389² = 841³ = 29⁶
• 596,572,387 – Wedderburn-Etherington prime^[2]

600,000,000 to 699,999,999[]

• 601,692,057 = 57⁵
• 612,220,032 = 18⁷
• 617,323,716 = 24846², palindromic square
• 644,972,544 = 864³, 3-smooth number
• 656,356,768 = 58⁵
• 666,666,666 – repdigit

700,000,000 to 799,999,999[]

• 701,408,733 – Fibonacci number
• 714,924,299 = 59⁵
• 715,827,883 – Wagstaff prime,^[14] Jacobsthal prime
• 729,000,000 = 27000² = 900³ = 30⁶
• 774,840,978 – Leyland number
• 777,600,000 = 60⁵
• 777,777,777 – repdigit
• 780,291,637 – Markov prime
• 787,109,376– 1-automorphic number^[6]

800,000,000 to 899,999,999[]

• 815,730,721 = 28561² = 169⁴ = 13⁸
• 844,596,301 = 61⁵
• 887,503,681 = 29791² = 961³ = 31⁶
• 888,888,888 – repdigit
• 893,554,688 – 2-automorphic number^[15]
• 893,871,739 = 19⁷

900,000,000 to 999,999,999[]

• 906,150,257 – smallest counterexample to the Polya conjecture
• 916,132,832 = 62⁵
• 923,187,456 = 30384², the largest zeroless pandigital square
• 942,060,249 = 30693², palindromic square
• 987,654,321 – largest zeroless pandigital number
• 992,436,543 = 63⁵
• 997,002,999 = 999³, the largest 9-digit cube
• 999,950,884 = 31622², the largest 9-digit square
• 999,961,560 – highest triangular number with 9 digits and the 44,720th triangular number
• 999,999,937 – largest 9-digit prime number
• 999,999,999 – repdigit

References[]