Mathematical Power Name
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10 +18 or 1,000,000,000,000,000,000 one quintillion
10 +15 or 1,000,000,000,000,000 one quadrillion
10 +12 or 1,000,000,000,000 one trillion
10 +9 or 1,000,000,000 one billion
10 +6 or 1,000,000 one million
10 +3 or 1,000 one thousand
10 +2 or 100 one hundred
10 +1 or 10 ten
10 +0 or 1 one
10 -1 or 0.1 one tenth
10 -2 or 0.01 one hundredth
10 -3 or 0.001 one thousandth
10 -6 or 0.000 001 one millionth
10 -9 or 0.000 000 001 one billionth
10 -12 or 0.000 000 000 001 one trillionth
10 -15 or 0.000 000 000 000 001 one quadrillionth
10 -18 or 0.000 000 000 000 000 001 one quintillionth
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