Scientific notation

 

 

Prefix

 

 

Example

 

googol

 

10100

 

 

exa (E)

1,000,000,000,000,000,000 x

1018

 

 

peta (P)

1,000,000,000,000,000 x

1015

 

 

tera (T)

1,000,000,000,000 x

1012

 

 

giga (G)

1,000,000,000 x

109

 

 

mega (M)

1,000,000 x

106

1 megametre = 1 Mm

 

kilo (k)

1000 x

103

1 kilometre = 1km

 

hecto (h)

100 x

102

 

 

deca (da)

10 x

101

 

 

deci (d)

1/10 x

10-1

 

 

centi (c)

1/ 100 x

10-2

1 centimetre = 1 cm

 

milli (m)

1/1000 x

10-3

1 millimetre = 1 mm

 

micro (m)

1/1,000,000 x

10-6

1 micrometre = 1mm

 

nano (n)

1/1,000,000,000

10-9

 

 

pico (p)

1/1,000,000,000,000 x

10-12

1 picometre = 1 pm

 

femto (f)

1/1,000,000,000,000,000 x

10-15

 

 

atto (a)

1/1,000,000,000,000,000,000 x

10-18

 

 

 

 

Thermal Conductivity [mW·m-1·K-1]

Viscosity [Pa·s]

Density [kg·m-3 STP]

Air

24.2

17.1

1.29

Carbon dioxide

14.2

13.9

1.98

Helium

147.3

18.9

0.18

Nitrogen

24.3

16.7

1.25

Oxygen

24.5

19.5

1.43

Halothane

8.78

Enflurane

8.25