Names of small numbers
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 ten, 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 symbol |
SI prefix |
---|---|---|---|---|---|
100 | 1 | One | One | ||
10−1 | 100×10−3 | Tenth | Tenth | d | deci- |
10−2 | 10×10−3 | Hundredth | Hundredth | c | centi- |
10−3 | 1×10−3 | Thousandth | Thousandth | m | milli- |
10−4 | 100×10−6 | Ten thousandth | Ten thousandth | ||
10−5 | 10×10−6 | Hundred thousandth | Hundred thousandth | ||
10−6 | 1×10−6 | Millionth | Millionth | µ | micro- |
10−9 | 1×10−9 | Billionth | Milliardth | n | nano- |
10−12 | 1×10−12 | Trillionth | Billionth | p | pico- |
10−15 | 1×10−15 | Quadrillionth | Billiardth | f | femto- |
10−18 | 1×10−18 | Quintillionth | Trillionth | a | atto- |
10−21 | 1×10−21 | Sextillionth | Trilliardth | z | zepto- |
10−24 | 1×10−24 | Septillionth | Quadrillionth | y | yocto- |
10−27 | 1×10−27 | Octillionth | Quadrilliardth | ||
10−30 | 1×10−30 | Nonillionth | Quintillionth |
See also
- Names of large numbers
- Orders of magnitude (numbers)
- List of numbers
- List of arbitrary-precision arithmetic software
References
- ↑ "Binary Numbers - Floating Point". Turing.cs.camosun.bc.ca. 1997-02-24. Retrieved 2014-07-07.
- ↑ American Heritage Dictionary, 4th edition, ISBN 0-395-82517-2.
- ↑ Oxford English Dictionary, New Edition, Oxford, UK: Oxford University Press. (subscription required)
- ↑ Bureau International des Poids et Mesures (BIPM)
- ↑ US NIST Definitions of the SI units: The twenty SI prefixes
- ↑ "Large and Small Numbers - Metric Prefixes". 2012-08-26. Archived from the original on 2013-07-24. Retrieved 2014-07-07.
- ↑ "ThinkQuest". Library.thinkquest.org. 2013-07-01. Retrieved 2014-07-07.
- ↑ 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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