Names of small numbers

Source: Wikipedia, the free encyclopedia.

This is a list of the names of small

decimal numbers in English
.

Table

The following table lists the 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.[1][page needed] [2][page needed] [3][page needed] [4][5][6][7]

Power
of
ten 		Engineering
notation
[citation needed] 		Short scale
(U.S. and
modern British) 		Long scale
(continental Europe,
archaic British, and India)
SI
prefix
 SI
symbol
100 1
One
10−1 100×10−3 One Tenth deci- d
10−2 10×10−3 One One-Hundredth centi- c
10−3 1×10−3 One One-
Thousandth
 milli- m
10−6 1×10−6 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-Sextillionth One One-Trilliardth
zepto-
 z
10−24 1×10−24 One One-Septillionth One One-Quadrillionth
yocto-
 y
10−27 1×10−27 One One-Octillionth One One-Quardilliardth
ronto-
 r
10−30 1×10−30 One One-Nonillionth One One-Quintillionth
quecto-
 q
10−33 1×10−33 One One-Decillionth One One-Quintilliardth — —
10−36 1×10−36 One One-Undecillionth One One-Sextillionth — —
0 1×10−∞ Zero
–1 –1 Negative One
−∞ undefined Negative Infinity

See also

References

  1. 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.
  2. ^ Oxford English Dictionary, New Edition, Oxford, UK: Oxford University Press. [1] (subscription required)
  3. BIPM
    )
  4. NIST
    . 13 January 2010.
  5. ^ "Large and Small Numbers - Metric Prefixes". 2012-08-26. Archived from the original on 2013-07-24. Retrieved 2014-07-07.
  6. ThinkQuest. Archived from the original
    on 2012-11-11. Retrieved 2014-07-07.
  7. ^ 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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