|
Factor
|
10n
|
Prefix
|
Symbol
|
Short scale
|
Long scale
|
Decimal
|
|
1 E+24
|
1024
|
yotta-
|
Y
|
Septillion
|
Quadrillion
|
1 000 000 000 000 000 000 000 000
|
|
1 E+21
|
1021
|
zetta-
|
Z
|
Sextillion
|
Trilliard
|
1 000 000 000 000 000 000 000
|
|
1E+18
|
1018
|
exa-
|
E
|
Quintillion
|
Trillion
|
1 000 000 000 000 000 000
|
|
1.00E+15
|
1015
|
peta-
|
P
|
Quadrillion
|
Billiard
|
1 000 000 000 000 000
|
|
1.00E+12
|
1012
|
tera-
|
T
|
Trillion
|
Billion
|
1 000 000 000 000
|
|
1.00E+09
|
109
|
giga-
|
G
|
Billion
|
Milliard
|
1 000 000 000
|
|
1.00E+06
|
106
|
mega-
|
M
|
Million
|
Million
|
1 000 000
|
|
1.00E+03
|
103
|
kilo-
|
k
|
Thousand
|
Thousand
|
1 000
|
|
1.00E+02
|
102
|
hecto-
|
h
|
Hundred
|
Hundred
|
100
|
|
1.00E+01
|
101
|
deca-
|
da
|
Ten
|
Ten
|
10
|
|
1 E 0
|
100
|
-
|
-
|
One
|
One
|
1
|
|
1.00E-01
|
10−1
|
deci-
|
d
|
Tenth
|
Tenth
|
0.1
|
|
1.00E-02
|
10−2
|
centi-
|
c
|
Hundredth
|
Hundredth
|
0.01
|
|
1.00E-03
|
10−3
|
milli-
|
m
|
Thousandth
|
Thousandth
|
0.001
|
|
1.00E-06
|
10−6
|
micro-
|
µ
|
Millionth
|
Millionth
|
0.000 001
|
|
1.00E-09
|
10−9
|
nano-
|
n
|
Billionth
|
Milliardth
|
0.000 000 001
|
|
1.00E-12
|
10−12
|
pico-
|
p
|
Trillionth
|
Billionth
|
0.000 000 000 001
|
|
1.00E-15
|
10−15
|
femto-
|
f
|
Quadrillionth
|
Billiardth
|
0.000 000 000 000 001
|
|
1.00E-18
|
10−18
|
atto-
|
a
|
Quintillionth
|
Trillionth
|
0.000 000 000 000 000 001
|
|
1.00E-21
|
10−21
|
zepto-
|
z
|
Sextillionth
|
Trilliardth
|
0.000 000 000 000 000 000 001
|
|
1.00E-24
|
10−24
|
yocto-
|
y
|
Septillionth
|
Quadrillionth
|
0.000 000 000 000 000 000 000 001
|