680
J Useful Biophysical Data
Table J.2 Number games
Septrillionth
yocto
10 −24
Sextrillionth
zepto
10 −21
Quintrillionth
atto
10 −18
Quadtrillionth
femto
10 −15
Trillionth
pico
10 −12
Billionth
nano
10 −9
Millionth
micro
10 −6
Thousandth
milli
10 −3
Hundredth
centi
10 −2
Tenth
deci
10 −1
Ten
deca
10 1
Hundred
hecto
10 2
Thousand
kilo
10 3
Million
mega
10 6
Billion (U.S.)
giga
10 9
Trillion
tera
10 12
Quadtrillion
peta
10 15
quintrillion
exa
10 18
Sextillion
zetta
10 21
Septillion
yotta
10 24
Googol
googola
10 100
Googolplex
googolaplexi
10 10 100
Table J.3 Physical constants
Speed of light in a vacuum (defined)
c
299 792 458 m/s
Gravitational constant
G
6.6408 × 10 −11 m 3 /(kg s 2 )
Acceleration due to gravity
g
9.80665· m/s 2
Boltzmann’s constant
k B
1.3806485 × 10 −23 J/K
Coulomb’s constant
k
c 2 × 10 −7 N m 2 /coul 2
Elementary charge
e
1.6021367 × 10 −19 coul
Electron mass
m e
9.1093897 × 10 −31 kg
Proton mass
m p
1.6726231 × 10 −27 kg
Proton g-factor
g H
5.585 ·
Neutron mass
m n
1.6749286 × 10 −27 kg
Atomic Mass Unit m[ 12 C]/12
amu
1.66054 × 10 −27 kg
Planck’s constant
h
6.62607004 × 10 −34 J s
Stefan-Boltzmann constant
σ
5.67037 × 10 −8 W/(m 2 K 4 )
Faraday’s constant
F
96,485.333 coul/mol
Absolute zero
0 K
−273.15 ◦ C
STP temperature
T s
273.15 K = 0 ◦ C
STP pressure
p s
1.00 × 10 5 N/m 2