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Notation for SI prefixes and symbols used to denote powers of 10 |
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Prefix |
Factor |
Symbol |
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yotta |
1024 |
Y |
zetta |
1021 |
Z |
exa |
1018 |
E |
peta |
1015 |
P |
tera |
1012 |
T |
giga |
109 |
G |
mega |
106 |
M |
kilo |
103 |
k |
hecto |
102 |
h |
deca |
10 |
da |
deci |
10-1 |
d |
centi |
10-2 |
c |
milli |
10-3 |
m |
micro |
10-6 |
mu |
nano |
10-9 |
n |
pico |
10-12 |
p |
femto |
10-15 |
f |
atto |
10-18 |
a |
zepto |
10-21 |
z |
yocto |
10-24 |
y |
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