21121615268
21,121,615,268 is an even composite number composed of five prime numbers multiplied together.
21121615268 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 21121615268:
22 × 133 × 312 × 41 × 61
(2 × 2 × 13 × 13 × 13 × 31 × 31 × 41 × 61)See below for interesting mathematical facts about the number 21121615268 from the Numbermatics database.
Names of 21121615268
- Cardinal: 21121615268 can be written as Twenty-one billion, one hundred twenty-one million, six hundred fifteen thousand, two hundred sixty-eight.
Scientific notation
- Scientific notation: 2.1121615268 × 1010
Factors of 21121615268
Divisors of 21121615268
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 13 26 31 41 52 61 62 82 122 124 164 169 244 338 403 533 676 793 806 961 1066 1271 1586 1612 1891 1922 2132 2197 2501 2542 3172 3782 3844 4394 5002 5084 5239 6929 7564 8788 10004 10309 10478 12493 13858 16523 20618 20956 24583 24986 27716 32513 33046 39401 41236 49166 49972 58621 65026 66092 68107 77531 78802 90077 98332 117242 130052 134017 136214 155062 157604 162409 180154 214799 234484 268034 272428 310124 319579 324818 360308 422669 429598 512213 536068 639158 649636 762073 845338 859196 1007903 1024426 1278316 1524146 1690676 2015806 2048852 2111317 2403461 2792387 3048292 4031612 4154527 4222634 4806922 5494697 5584774 6658769 8309054 8445268 9613844 9906949 10989394 11169548 13102739 13317538 16618108 19813898 21978788 26205478 26635076 31244993 39627796 52410956 62489986 86563997 124979972 128790337 170335607 173127994 257580674 340671214 346255988 406184909 515161348 681342428 812369818 1624739636 5280403817 10560807634 21121615268
- Sum of all divisors σ(n): 43078961520
- Sum of proper divisors (its aliquot sum) s(n): 21957346252
- 21121615268 is an abundant number, because the sum of its proper divisors (21957346252) is greater than itself. Its abundance is 835730984
Bases of 21121615268
- Binary: 100111010101111001001000101101001002
- Hexadecimal: 0x4EAF245A4
- Base-36: 9PB9IN8
Squares and roots of 21121615268
- 21121615268 squared (211216152682) is 446122631529410711824
- 21121615268 cubed (211216152683) is 9422830585511939481904546528832
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The
square root of 21121615268 is 145332.7742389857 -
The
cube root of 21121615268 is 2764.2397585509
Scales and comparisons
How big is 21121615268?- 21,121,615,268 seconds is equal to 671 years, 31 weeks, 2 days, 3 hours, 21 minutes, 8 seconds.
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To count from 1 to 21,121,615,268 would take you about one thousand, three hundred forty-three 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 21121615268 cubic inches would be around 230.4 feet tall.
Recreational maths with 21121615268
- 21121615268 backwards is 86251612112
- The number of decimal digits it has is: 11
- The sum of 21121615268's digits is 35
- More coming soon!
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The information we have on file for 21121615268 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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