|
|
1 e 18
|
exa
|
E
|
|
1018
|
1,000,000,000,000,000,000
|
one quintillion |
|
|
1 e 15
|
peta
|
P
|
|
1015
|
1,000,000,000,000,000
|
one quadrillion |
|
|
1 e 12
|
tera
|
T
|
|
1012
|
1,000,000,000,000
|
one trillion |
|
|
1 e 9
|
giga
|
G
|
|
109
|
1,000,000,000
|
one billion (see note) |
|
|
1 e 6
|
mega
|
M
|
|
106
|
1,000,000
|
one million |
|
|
1 e 3
|
kilo
|
K
|
|
103
|
1,000
|
one thousand |
|
|
1 e 2
|
hecto
|
h
|
|
102
|
100
|
one hundred |
|
|
1 e 1
|
deka
|
da
|
|
101
|
10
|
ten |
|
1 e -1
|
deci
|
d
|
10-1
|
0.1
|
one-tenth | ||
|
1 e -2
|
centi
|
c
|
10-2
|
0.01
|
one-hundredth | ||
|
1 e -3
|
milli
|
m
|
10-3
|
0.001
|
one-thousandth | ||
|
1 e -6
|
micro
|
|
10-6
|
0.000 001
|
one-millionth | ||
|
1 e -9
|
nano
|
n
|
10-9
|
0.000 000 001
|
one-billionth | ||
|
1 e -12
|
pico
|
p
|
10-12
|
0.000 000 000 001
|
one-trillionth | ||
|
1 e -15
|
femto
|
f
|
10-15
|
0.000 000 000 000 001
|
one-quadrillionth | ||
|
1 e -18
|
atto
|
a
|
10-18
|
0.000 000 000 000 000 001
|
one-quintillionth |
US Billion = 109, UK Billion = 1012