21106821008
21,106,821,008 is an even composite number composed of five prime numbers multiplied together.
21106821008 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 21106821008:
24 × 7 × 132 × 1051 × 1061
(2 × 2 × 2 × 2 × 7 × 13 × 13 × 1051 × 1061)See below for interesting mathematical facts about the number 21106821008 from the Numbermatics database.
Names of 21106821008
- Cardinal: 21106821008 can be written as Twenty-one billion, one hundred six million, eight hundred twenty-one thousand and eight.
Scientific notation
- Scientific notation: 2.1106821008 × 1010
Factors of 21106821008
Divisors of 21106821008
- Number of divisors d(n): 120
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Complete list of divisors:
1 2 4 7 8 13 14 16 26 28 52 56 91 104 112 169 182 208 338 364 676 728 1051 1061 1183 1352 1456 2102 2122 2366 2704 4204 4244 4732 7357 7427 8408 8488 9464 13663 13793 14714 14854 16816 16976 18928 27326 27586 29428 29708 54652 55172 58856 59416 95641 96551 109304 110344 117712 118832 177619 179309 191282 193102 218608 220688 355238 358618 382564 386204 710476 717236 765128 772408 1115111 1243333 1255163 1420952 1434472 1530256 1544816 2230222 2486666 2510326 2841904 2868944 4460444 4973332 5020652 7805777 8920888 9946664 10041304 14496443 15611554 17841776 19893328 20082608 28992886 31223108 57985772 62446216 101475101 115971544 124892432 188453759 202950202 231943088 376907518 405900404 753815036 811800808 1319176313 1507630072 1623601616 2638352626 3015260144 5276705252 10553410504 21106821008
- Sum of all divisors σ(n): 50704094016
- Sum of proper divisors (its aliquot sum) s(n): 29597273008
- 21106821008 is an abundant number, because the sum of its proper divisors (29597273008) is greater than itself. Its abundance is 8490452000
Bases of 21106821008
- Binary: 100111010100001000010000111100100002
- Hexadecimal: 0x4EA108790
- Base-36: 9P2GFBK
Squares and roots of 21106821008
- 21106821008 squared (211068210082) is 445497893063750136064
- 21106821008 cubed (211068210083) is 9403044288337698855138493632512
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The
square root of 21106821008 is 145281.8674439449 -
The
cube root of 21106821008 is 2763.5942202733
Scales and comparisons
How big is 21106821008?- 21,106,821,008 seconds is equal to 671 years, 6 weeks, 5 days, 21 hours, 50 minutes, 8 seconds.
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To count from 1 to 21,106,821,008 would take you about one thousand, three hundred forty-two 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 21106821008 cubic inches would be around 230.3 feet tall.
Recreational maths with 21106821008
- 21106821008 backwards is 80012860112
- The number of decimal digits it has is: 11
- The sum of 21106821008's digits is 29
- More coming soon!
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The information we have on file for 21106821008 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!
Keywords: Divisors of 21106821008, math, Factors of 21106821008, curriculum, school, college, exams, university, Prime factorization of 21106821008, STEM, science, technology, engineering, physics, economics, calculator, twenty-one billion, one hundred six million, eight hundred twenty-one thousand and eight.