21491437078125
21,491,437,078,125 is an odd composite number composed of five prime numbers multiplied together.
21491437078125 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred thirty-six divisors.
Prime factorization of 21491437078125:
32 × 56 × 7 × 61 × 713
(3 × 3 × 5 × 5 × 5 × 5 × 5 × 5 × 7 × 61 × 71 × 71 × 71)See below for interesting mathematical facts about the number 21491437078125 from the Numbermatics database.
Names of 21491437078125
- Cardinal: 21491437078125 can be written as Twenty-one trillion, four hundred ninety-one billion, four hundred thirty-seven million, seventy-eight thousand, one hundred twenty-five.
Scientific notation
- Scientific notation: 2.1491437078125 × 1013
Factors of 21491437078125
Divisors of 21491437078125
- Number of divisors d(n): 336
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Complete list of divisors:
1 3 5 7 9 15 21 25 35 45 61 63 71 75 105 125 175 183 213 225 305 315 355 375 427 497 525 549 625 639 875 915 1065 1125 1281 1491 1525 1575 1775 1875 2135 2485 2625 2745 3125 3195 3843 4331 4375 4473 4575 5041 5325 5625 6405 7455 7625 7875 8875 9375 10675 12425 12993 13125 13725 15123 15625 15975 19215 21655 21875 22365 22875 25205 26625 28125 30317 32025 35287 37275 38125 38979 39375 44375 45369 46875 53375 62125 64965 65625 68625 75615 79875 90951 96075 105861 108275 109375 111825 114375 126025 133125 140625 151585 160125 176435 186375 190625 194895 196875 221875 226845 266875 272853 307501 310625 317583 324825 328125 343125 357911 378075 399375 454755 480375 529305 541375 559125 571875 630125 665625 757925 800625 882175 922503 931875 953125 974475 984375 1073733 1109375 1134225 1334375 1364265 1537505 1553125 1587915 1624125 1715625 1789555 1890375 1996875 2152507 2273775 2401875 2505377 2646525 2706875 2767509 2795625 2859375 3150625 3221199 3328125 3789625 4003125 4410875 4612515 4659375 4872375 5368665 5671125 6457521 6671875 6821325 7516131 7687525 7765625 7939575 8120625 8578125 8947775 9451875 9984375 10762535 11368875 12009375 12526885 13232625 13534375 13837545 13978125 15753125 16105995 18948125 19372563 20015625 21832571 22054375 22548393 23062575 23296875 24361875 26843325 28355625 32287605 34106625 37580655 38437625 39697875 40603125 44738875 47259375 53812675 56844375 60046875 62634425 65497713 66163125 67671875 69187725 69890625 78765625 80529975 94740625 96862815 109162855 110271875 112741965 115312875 121809375 134216625 141778125 152827997 161438025 170533125 187903275 192188125 196493139 198489375 203015625 223694375 236296875 269063375 284221875 313172125 327488565 330815625 345938625 402649875 458483991 473703125 484314075 545814275 551359375 563709825 576564375 609046875 671083125 708890625 764139985 807190125 852665625 939516375 960940625 982465695 992446875 1118471875 1345316875 1375451973 1421109375 1565860625 1637442825 1654078125 1729693125 2013249375 2292419955 2421570375 2729071375 2818549125 2882821875 3355415625 3820699925 4035950625 4263328125 4697581875 4804703125 4912328475 4962234375 5592359375 6726584375 6877259865 7829303125 8187214125 8648465625 10066246875 11462099775 12107851875 13645356875 14092745625 14414109375 16777078125 19103499625 20179753125 23487909375 24561642375 33632921875 34386299325 39146515625 40936070625 43242328125 50331234375 57310498875 60539259375 68226784375 70463728125 95517498125 100898765625 117439546875 122808211875 171931496625 204680353125 286552494375 302696296875 341133921875 352318640625 477587490625 614041059375 859657483125 1023401765625 1432762471875 2387937453125 3070205296875 4298287415625 7163812359375 21491437078125
- Sum of all divisors σ(n): 45717749805312
- Sum of proper divisors (its aliquot sum) s(n): 24226312727187
- 21491437078125 is an abundant number, because the sum of its proper divisors (24226312727187) is greater than itself. Its abundance is 2734875649062
Bases of 21491437078125
- Binary: 1001110001011110111010111100100000110011011012
- Hexadecimal: 0x138BDD79066D
- Base-36: 7M912QS19
Squares and roots of 21491437078125
- 21491437078125 squared (214914370781252) is 461881867683006037353515625
- 21491437078125 cubed (214914370781253) is 9926505096836181135137574451446533203125
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The
square root of 21491437078125 is 4635885.7921787719 -
The
cube root of 21491437078125 is 27802.7967952587
Scales and comparisons
How big is 21491437078125?- 21,491,437,078,125 seconds is equal to 683,361 years, 11 weeks, 3 days, 16 hours, 48 minutes, 45 seconds.
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To count from 1 to 21,491,437,078,125 would take you about one million, seven hundred eight thousand, four hundred 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 21491437078125 cubic inches would be around 2316.9 feet tall.
Recreational maths with 21491437078125
- 21491437078125 backwards is 52187073419412
- The number of decimal digits it has is: 14
- The sum of 21491437078125's digits is 54
- More coming soon!
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The information we have on file for 21491437078125 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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