21221731425
21,221,731,425 is an odd composite number composed of five prime numbers multiplied together.
21221731425 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 21221731425:
3 × 52 × 23 × 1972 × 317
(3 × 5 × 5 × 23 × 197 × 197 × 317)See below for interesting mathematical facts about the number 21221731425 from the Numbermatics database.
Names of 21221731425
- Cardinal: 21221731425 can be written as Twenty-one billion, two hundred twenty-one million, seven hundred thirty-one thousand, four hundred twenty-five.
Scientific notation
- Scientific notation: 2.1221731425 × 1010
Factors of 21221731425
Divisors of 21221731425
- Number of divisors d(n): 72
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Complete list of divisors:
1 3 5 15 23 25 69 75 115 197 317 345 575 591 951 985 1585 1725 2955 4531 4755 4925 7291 7925 13593 14775 21873 22655 23775 36455 38809 62449 67965 109365 113275 116427 182275 187347 194045 312245 339825 546825 582135 892607 936735 970225 1436327 1561225 2677821 2910675 4308981 4463035 4683675 7181635 12302453 13389105 21544905 22315175 35908175 36907359 61512265 66945525 107724525 184536795 282956419 307561325 848869257 922683975 1414782095 4244346285 7073910475 21221731425
- Sum of all divisors σ(n): 36914976576
- Sum of proper divisors (its aliquot sum) s(n): 15693245151
- 21221731425 is a deficient number, because the sum of its proper divisors (15693245151) is less than itself. Its deficiency is 5528486274
Bases of 21221731425
- Binary: 100111100001110100111101100011000012
- Hexadecimal: 0x4F0E9EC61
- Base-36: 9QYVCRL
Squares and roots of 21221731425
- 21221731425 squared (212217314252) is 450361884674832530625
- 21221731425 cubed (212217314253) is 9557458960626119421776837390625
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The
square root of 21221731425 is 145676.8046910695 -
The
cube root of 21221731425 is 2768.6003618171
Scales and comparisons
How big is 21221731425?- 21,221,731,425 seconds is equal to 674 years, 40 weeks, 5 days, 21 hours, 23 minutes, 45 seconds.
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To count from 1 to 21,221,731,425 would take you about one thousand, three hundred forty-nine years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 21221731425 cubic inches would be around 230.7 feet tall.
Recreational maths with 21221731425
- 21221731425 backwards is 52413712212
- The number of decimal digits it has is: 11
- The sum of 21221731425's digits is 30
- More coming soon!
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The information we have on file for 21221731425 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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