Names of small numbers

From Wikipedia, the free encyclopedia

This article lists and discusses the usage and derivation of names of small numbers.[1]9

Table of names[]

The following table lists English language names of small numbers used in the long and short scales, along with the power of 10, engineering notation, and International System of Units (SI) symbols and prefixes.[2][3][4][5][6][7][8]

Power
of
ten 		Engineering
notation 		Short scale
(U.S. and
modern British) 		Long scale
(continental Europe,
archaic British, and India) 		SI
prefix 		SI
symbol
100 1 One One
10−1 100×10−3 One Tenth One Tenth deci- d
10−2 10×10−3 One One-Hundredth One One-Hundredth centi- c
10−3 1×10−3 One One-Thousandth One One-Thousandth milli- m
10−6 1×10−6 One One-Millionth One One-Millionth micro- µ
10−9 1×10−9 One One-Billionth One One-Milliardth nano- n
10−12 1×10−12 One One-Trillionth One One-Billionth pico- p
10−15 1×10−15 One One-Quadrillionth One One-Billiardth femto- f
10−18 1×10−18 One One-Quintillionth One One-Trillionth atto- a
10−21 1×10−21 One One- One One-Trilliardth zepto- z
10−24 1×10−24 One One- One One-Quadrillionth yocto- y
10−27 1×10−27 One One- One One-Quardilliardth
10−30 1×10−30 One One- One One-Quintillionth
0 undefined Zero Zero
−∞ undefined Negative Infinity Negative Infinity

See also[]

References[]

  1. ^ "Binary Numbers - Floating Point". Turing.cs.camosun.bc.ca. 1997-02-24. Archived from the original on 2012-03-21. Retrieved 2014-07-07.
  2. ^ American Heritage Dictionary, 4th edition, ISBN 0-395-82517-2. "Archived copy". Archived from the original on 2007-01-12. Retrieved 2004-05-29.{{cite web}}: CS1 maint: archived copy as title (link)
  3. ^ Oxford English Dictionary, New Edition, Oxford, UK: Oxford University Press. [1] (subscription required)
  4. ^ Bureau International des Poids et Mesures (BIPM)
  5. ^ US NIST Definitions of the SI units: The twenty SI prefixes
  6. ^ "Large and Small Numbers - Metric Prefixes". 2012-08-26. Archived from the original on 2013-07-24. Retrieved 2014-07-07.
  7. ^ "ThinkQuest". Library.thinkquest.org. 2013-07-01. Archived from the original on 2012-11-11. Retrieved 2014-07-07.
  8. ^ Manske, Magnus (2011-05-02). "Names of large and small numbers". Archived from the original on 2011-09-03. Retrieved 2014-07-07.
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