Powers of 2
					approximate		decimal
		name		value	value		name
	1K	kilo	(2)10	1024	1000		thousand
	1M	mega	(2)20	(1024)2	1,000,000		million
	1G	giga	(2)30	(1024)3	1,000,000,000		billion
	1T	tera	(2)40	(1024)4	(10)12		trillion
	1P	peta	(2)50	(1024)5	(10)15		quadrillion (US), 1000 trillion (British)