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 03-29-2007, 01:38 AM #11 rfbdorf Senior Member     Join Date: Sep 2005 Location: Oregon Posts: 2,715 Leif & Adrian are correct, although Leif mistyped when he said (in parentheses) that a million million is a milliard. As he says, a milliard is the same as a US billion, that is, a thousand million, 10^9. In most of the world, a billion is 10^12. Numbers are unambiguous, the names aren't. Find a comparison chart here. When I was a child I learned that "a pint's a pound, the world around." But it's true only in the USA. - Richard
03-29-2007, 06:57 AM   #12
Wise Young

Join Date: Jul 2001
Location: New Brunswick, NJ, USA
Posts: 37,975
Quote:
 Originally Posted by rfbdorf Leif & Adrian are correct, although Leif mistyped when he said (in parentheses) that a million million is a milliard. As he says, a milliard is the same as a US billion, that is, a thousand million, 10^9. In most of the world, a billion is 10^12. Numbers are unambiguous, the names aren't. Find a comparison chart here. When I was a child I learned that "a pint's a pound, the world around." But it's true only in the USA. - Richard
Wow, is that true? A billion in Europe is really a trillion? I found this very scholarly discussion of the subject

http://mathforum.org/library/drmath/view/52579.html

Quote:
Chinese think in 10,000 units or wan4. So, for example, a thousand is qian1 (1,000), ten thousand (10,000) is wan4, and one hundred million (100,000,000) or ten thousand ten thousands is yi4. Thus, a billion would be ten yi4. See http://www.mandarintools.com/numbers.html

Amazingly, the ancient Chinese had names for very large numbers, i.e. zhao for a trillion (10^12), jing for 10^16, gai for 10^20, zi for 10^24, rang for 10^28, gou for 10^32, jian for 10^36, zheng for 10^40, zai for 10^44, and ji for 10^48, henghesha for 10^52, unpronounciable for 10^56, nayouta for 10^60, bukesiyi for 10^64, wulian for 10^68, and dashu for 10^72. http://en.wikipedia.org/wiki/Chinese_numerals

Wise.

Last edited by Wise Young; 03-29-2007 at 07:15 AM.

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