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

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
1001OneOne
10−1100×10−3One TenthOne Tenthdeci-d
10−210×10−3One One-HundredthOne One-Hundredthcenti-c
10−31×10−3One One-ThousandthOne One-Thousandthmilli-m
10−61×10−6One One-MillionthOne One-Millionthmicro-µ
10−91×10−9One One-BillionthOne One-Milliardthnano-n
10−121×10−12One One-TrillionthOne One-Billionthpico-p
10−151×10−15One One-QuadrillionthOne One-Billiardthfemto-f
10−181×10−18One One-QuintillionthOne One-Trillionthatto-a
10−211×10−21One One-SextillionthOne One-Trilliardthzepto-z
10−241×10−24One One-SeptillionthOne One-Quadrillionthyocto-y
10−271×10−27One One-OctillionthOne One-Quardilliardthronto-r
10−301×10−30One One-NonillionthOne One-Quintillionthquecto-q
10−331×10−33One One-DecillionthOne One-Quintilliardth
10−361×10−36One One-UndecillionthOne One-Sextillionth
0 1×10−∞ 0 0
–1
−∞ 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. "The American Heritage Dictionary of the English Language, Fourth Edition. 2000". Archived from the original on 2007-01-12. Retrieved 2004-05-29.
  3. ↑ Oxford English Dictionary, New Edition, Oxford, UK: Oxford University Press. (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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