scientific notation
Standard scientific notation represents a number as a factor multiplied by a power of 10; 3,560,000 is expressed as 3.56 × 106. This is useful for very large and very small numbers, especially in non-SI units. You can also use certain standard prefixes, many of which are listed here with their abbreviations.
|
1024 |
yotta |
Y |
|---|---|---|
|
1021 |
zetta |
Z |
|
1018 |
exa |
E |
|
1015 |
peta |
P |
|
1012 |
tera |
T |
|
109 |
giga |
G |
|
106 |
mega |
M |
|
103 |
kilo |
k |
|
102 |
hecto |
h |
|
101 |
deka |
da |
|
10-1 |
deci |
d |
|
10-2 |
centi |
c |
|
10-3 |
milli |
m |
|
10-6 |
micro |
µ |
|
10-9 |
nano |
n |
|
10-12 |
pico |
p |
|
10-15 |
femto |
f |
|
10-18 |
atto |
a |
|
10-21 |
zepto |
z |
|
10-24 |
yocto |
y |
We recommend choosing a prefix that permits the numerical value to fall between 0.1 and 1,000 (62 kW rather than 62,000 W).
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