Writing and Saying Large Numbers, by Dennis Oliver

Writing and Saying
Large Numbers (#1)

We don't normally write numbers with words, but it's possible
to do this--and of course this will show how we
say the numbers.

In writing large numbers, American English uses a comma ( , )
to separate thousands, millions, etc. American English also uses
a
hyphen ( - ) to separate "tens" words (twenty, fifty, etc.) and
"ones" words (one, three, six, etc.)

Examples:

 Group 1 written said 1,011 one thousand eleven 21,011 twenty-one thousand eleven 721,011 seven hundred twenty-onethousand eleven

 Group 2 written said 1,256,721 one million two hundred fifty-sixthousand seven hundred twenty-one 31,256,721 thirty-one million two hundredfifty-six thousand seven hundredtwenty-one 631,256,721 six hundred thirty-one milliontwo hundred fifty-six thousandseven hundred twenty-one

 Group 3 written said 1,492,638,526 one billion four hundred ninety-twomillion six hundred thirty-eightthousand five hundred twenty-six 41,492,638,526 forty-one billion four hundredninety-two million six hundredthirty-eight thousand five hundredtwenty-six 941,492,638,526 nine hundred forty-one billionfour hundred ninety-two millionsix hundred thirty-eight thousandfive hundred twenty-six

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Special Notes:

 1. In American English, the order of large numbers isthousand, million, billion, trillion, etc. (1,000; 1,000,000;1,000,000,000; 1,000,000,000,000; etc.) In American English a thousand million is a billion,but in British English, a thousand million is a milliard. 2. When saying large numbers, do not make thousand,million, billion, trillion, etc. plural. Not this:*twenty thousands dollars; *five millions people But this:twenty thousand dollars; five million people 3. In American English, use commas to separatethousands, millions, etc. Not this: *21.011*31.256.721*941.492.638.526 But this: 21,01131,256,721941,492,638,526 4. People often say "a" instead of "one" beforehundred, thousand, etc. and they often add"and" before the last number: a hundred and twenty-one a thousand and eleven / etc.

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