21425721731910

Names of 21425721731910

• Cardinal: 21425721731910 can be written as Twenty-one trillion, four hundred twenty-five billion, seven hundred twenty-one million, seven hundred thirty-one thousand, nine hundred ten.

Scientific notation

• Scientific notation: 2.142572173191 × 10¹³

Factors of 21425721731910

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 274

Divisors of 21425721731910

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 127 135 137 162 243 254 270 274 381 405 411 486 635 685 729 762 810 822 1143 1215 1233 1270 1370 1458 1905 2055 2187 2286 2430 2466 3429 3645 3699 3810 4110 4374 5715 6165 6561 6858 7290 7398 10287 10935 11097 11430 12330 13122 17145 17399 18495 18769 20574 21870 22194 30861 32805 33291 34290 34798 36990 37538 51435 52197 55485 56307 61722 65610 66582 86995 92583 93845 99873 102870 104394 110970 112614 154305 156591 166455 168921 173990 185166 187690 199746 260985 277749 281535 299619 308610 313182 332910 337842 462915 469773 499365 506763 521970 555498 563070 599238 782955 833247 844605 898857 925830 939546 998730 1013526 1388745 1409319 1498095 1520289 1565910 1666494 1689210 1797714 2348865 2383663 2533815 2571353 2777490 2818638 2996190 3040578 4166235 4227957 4494285 4560867 4697730 4767326 5067630 5142706 7046595 7150989 7601445 7714059 8332470 8455914 8988570 9121734 11918315 12683871 12856765 13682601 14093190 14301978 15202890 15428118 21139785 21452967 22804335 23142177 23836630 25367742 25713530 27365202 35754945 38051613 38570295 41047803 42279570 42905934 45608670 46284354 63419355 64358901 68413005 69426531 71509890 76103226 77140590 82095606 107264835 114154839 115710885 123143409 126838710 128717802 136826010 138853062 190258065 193076703 205239015 208279593 214529670 228309678 231421770 246286818 321794505 326561831 347132655 380516130 386153406 410478030 416559186 570774195 579230109 615717045 624838779 643589010 653123662 694265310 965383515 979685493 1041397965 1141548390 1158460218 1231434090 1249677558 1632809155 1737690327 1874516337 1930767030 1959370986 2082795930 2896150545 2939056479 3124193895 3265618310 3475380654 3749032674 4898427465 5213070981 5623549011 5792301090 5878112958 6248387790 8688451635 8817169437 9372581685 9796854930 10426141962 11247098022 14695282395 15639212943 16870647033 17376903270 17634338874 18745163370 26065354905 26451508311 28117745055 29390564790 31278425886 33741294066 44085847185 52130709810 52903016622 56235490110 78196064715 79354524933 84353235165 88171694370 132257541555 156392129430 158709049866 168706470330 238063574799 264515083110 396772624665 476127149598 714190724397 793545249330 1190317873995 1428381448794 2142572173191 2380635747990 3570953621985 4285144346382 7141907243970 10712860865955 21425721731910
• Sum of all divisors σ(n): 58730684912640
• Sum of proper divisors (its aliquot sum) s(n): 37304963180730
• 21425721731910 is an abundant number, because the sum of its proper divisors (37304963180730) is greater than itself. Its abundance is 15879241448820

Bases of 21425721731910

• Binary: 100110111110010010000100010000110101101000110₂
• Hexadecimal: 0x137C90886B46
• Base-36: 7LEU9IUDI

Squares and roots of 21425721731910

• 21425721731910 squared (21425721731910²) is 459061551733240449912248100
• 21425721731910 cubed (21425721731910³) is 9835725065255216634810319968653606871000
• The square root of 21425721731910 is 4628792.6862098717
• The cube root of 21425721731910 is 27774.4299032225

Scales and comparisons

• 21,425,721,731,910 seconds is equal to 681,271 years, 35 weeks, 1 day, 9 hours, 58 minutes, 30 seconds.
• To count from 1 to 21,425,721,731,910 would take you about one million, seven hundred three thousand, one hundred seventy-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 21425721731910 cubic inches would be around 2314.5 feet tall.

Recreational maths with 21425721731910

• 21425721731910 backwards is 01913712752412
• 21425721731910 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21425721731910's digits is 45
• More coming soon!