我們目前所用的K、M、G、T等都是英文表示方法,分別是Kilo(103)、Mega(106)、Giga(109)、Tera(1012)的簡寫,更大的還有Peta(1015)、Exa(1018)、Bronto(1021)等。底下是維基百科中的列表
Prefix | Base 1000 | Base 10 | Base 2 | English word | Adoption | ||
---|---|---|---|---|---|---|---|
Name | Symbol | Short scale | Long scale | ||||
yotta | Y | 10008 | 1024 |
280
| septillion | quadrillion | 1991 |
zetta | Z | 10007 | 1021 |
270
| sextillion | trilliard | 1991 |
exa | E | 10006 | 1018 |
260
| quintillion | trillion | 1975 |
peta | P | 10005 | 1015 | 250 | quadrillion | billiard | 1975 |
tera | T | 10004 | 1012 | 240 | trillion | billion | 1960 |
giga | G | 10003 | 109 | 230 | billion | milliard | 1960 |
mega | M | 10002 | 106 |
220
| million | 1873 | |
kilo | K | 10001 | 103 |
210
| thousand | 1795 | |
10000 | 100 | 1 | one | – | |||
milli | m | 1000−1 | 10−3 |
2-10
| thousandth | 1795 | |
micro | µ | 1000−2 | 10−6 |
2-20
| millionth | 1873 | |
nano | n | 1000−3 | 10−9 |
2-30
| billionth | milliardth | 1960 |
pico | p | 1000−4 | 10−12 |
2-40
| trillionth | billionth | 1960 |
femto | f | 1000−5 | 10−15 |
2-50
| quadrillionth | billiardth | 1964 |
atto | a | 1000−6 | 10−18 |
2-60
| quintillionth | trillionth | 1964 |
zepto | z | 1000−7 | 10−21 |
2-70
| sextillionth | trilliardth | 1991 |
yocto | y | 1000−8 | 10−24 | 2-80 | septillionth | quadrillionth | 1991 |
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