Numbers |
1
e 18 |
exa |
E |
10ˆ18 |
1,000,000,000,000,000,000 |
one quintillion | |||
1
e 15 |
peta |
P |
10ˆ15 |
1,000,000,000,000,000 |
one quadrillion | |||
1
e 12 |
tera |
T |
10ˆ12 |
1,000,000,000,000 |
one trillion | |||
1
e 9 |
giga |
G |
10ˆ9 |
1,000,000,000 |
one billion (see note) | US Billion = 10^9 | ||
1
e 6 |
mega |
M |
10ˆ6 |
1,000,000 |
one million | UK Billion = 1^12 | ||
1
e 3 |
kilo |
K |
10ˆ3 |
1,000 |
one thousand | |||
1
e 2 |
hecto |
h |
10ˆ2 |
100 |
one hundred | |||
1
e 1 |
deka |
da |
10ˆ1 |
10 |
ten | |||
1
e -1 |
deci |
d |
10ˆ-1 |
0.1 |
one-tenth | |||
1
e -2 |
centi |
c |
10ˆ-2 |
0.01 |
one-hundredth | |||
1
e -3 |
milli |
m |
10ˆ-3 |
0.001 |
one-thousandth | |||
1
e -6 |
micro |
 |
10ˆ-6 |
0.000
001 |
one-millionth | |||
1
e -9 |
nano |
n |
10ˆ-9 |
0.000
000 001 |
one-billionth | |||
1
e -12 |
pico |
p |
10ˆ-12 |
0.000
000 000 001 |
one-trillionth | |||
1
e -15 |
femto |
f |
10ˆ-15 |
0.000
000 000 000 001 |
one-quadrillionth | |||
1
e -18 |
atto |
a |
10ˆ-18 |
0.000
000 000 000 000 001 |
one-quintillionth |
1 e X is equivalent to 10^X