Ordin de magnitudine

In words (long scale)	In words (short scale)	Prefix	Symbol	Decimal	Power of ten	Order of magnitude
quadrillionth	septilionime	yocto-	y	0.000,000,000,000,000,000,000,001	10−24	−24
trilliardth	sextilionime	zepto-	z	0.000,000,000,000,000,000,001	10−21	−21
trillionth	quintilionime	atto-	a	0.000,000,000,000,000,001	10−18	−18
biliardime	quadrilionime	femto-	f	0.000,000,000,000,001	10−15	−15
billionth	trilionime	pico-	p	0.000,000,000,001	10−12	−12
miliardime	bilionime	nano-	n	0.000,000,001	10−9	−9
milionime	milionime	micro-	µ	0.000,001	10−6	−6
miime	miime	mili-	m	0.001	10−3	−3
sutime	sutime	centi-	c	0.01	10−2	−2
zecime	zecime	deci-	d	0.1	10−1	−1
one	unu	–	–	1	100	0
zece	zece	deca-	da	10	101	1
sută	sută	hecto-	h	100	102	2
mie	mie	kilo-	k	1,000	103	3
milion	milion	mega-	M	1,000,000	106	6
miliard	bilion	giga-	G	1,000,000,000	109	9
bilion	trilion	tera-	T	1,000,000,000,000	1012	12
biliard	quadrilion	peta-	P	1,000,000,000,000,000	1015	15
trilion	quintilion	exa-	E	1,000,000,000,000,000,000	1018	18
triliard	sextilion	zetta-	Z	1,000,000,000,000,000,000,000	1021	21
quadrilion	septilion	yotta-	Y	1,000,000,000,000,000,000,000,000	1024	24