Orders of Magnitude
|
Number of Zero |
US Scientific Name |
Info Tech Name |
Symbol |
|
|
|
|
|
|
-33 |
decillionth |
|
|
|
-30 |
nonillionth |
|
|
|
-27 |
octillionth |
|
|
|
-24 |
septillionth |
yocto |
y |
|
-21 |
sextillionth |
zepto |
z |
|
-18 |
quintillionth |
atto |
a |
|
-15 |
quadrillionth |
femto |
f |
|
-12 |
trillionth |
pico |
p |
|
-9 |
billionth |
nano |
n |
|
-6 |
millionth |
micro |
mu |
|
-3 |
thousandth |
milli |
m |
|
3 |
thousand |
Kilo |
k |
|
6 |
million |
Mega |
M |
|
9 |
billion |
Giga |
G |
|
12 |
trillion |
Tera |
T |
|
15 |
quadrillion |
Peta |
P |
|
18 |
quintillion |
Exa |
E |
|
21 |
sextillion |
Zetta |
Z |
|
24 |
septillion |
Yotta |
Y |
|
27 |
octillion |
|
|
|
30 |
nonillion |
|
|
|
33 |
decillion |
|
|
|
36 |
undecillion |
|
|
|
39 |
duodecillion |
|
|
|
42 |
tredecillion |
|
|
|
45 |
quattuordecillion |
|
|
|
48 |
quindecillion |
|
|
|
51 |
sexdecillion |
|
|
|
54 |
septendecillion |
|
|
|
57 |
octodecillion |
|
|
|
60 |
novemdecillion |
|
|
|
63 |
vigintillion |
|
|
Courtesy of Craig S. Brooks
Brooks Littlefield Associates, Inc., 4905 Del Ray Avenue, Suite 212, Bethesda, Maryland 20814
Telephone 301.718.9390 . Toll Free 877.328.0496 . Facsimile 301.913.5984 . E-mail: info@brookslittlefield.net