21425568010

Names of 21425568010

• Cardinal: 21425568010 can be written as Twenty-one billion, four hundred twenty-five million, five hundred sixty-eight thousand and ten.

Scientific notation

• Scientific notation: 2.142556801 × 10¹⁰

Factors of 21425568010

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 804

Divisors of 21425568010

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 5 7 10 11 14 17 22 29 34 35 49 55 58 70 77 85 98 110 119 121 145 154 170 187 203 238 242 245 290 319 374 385 406 490 493 539 595 605 638 733 770 833 847 935 986 1015 1078 1190 1210 1309 1421 1466 1595 1666 1694 1870 2030 2057 2233 2465 2618 2695 2842 3190 3451 3509 3665 4114 4165 4235 4466 4930 5131 5390 5423 5929 6545 6902 7018 7105 7330 8063 8330 8470 9163 10262 10285 10846 11165 11858 12461 13090 14210 14399 15631 16126 17255 17545 18326 20570 21257 22330 24157 24563 24922 25655 27115 28798 29645 31262 34510 35090 35917 37961 40315 42514 45815 48314 49126 51310 54230 56441 59290 59653 62305 71834 71995 75922 78155 80630 87227 88693 91630 100793 106285 112882 119306 120785 122815 124610 137071 143990 148799 156310 171941 174454 177386 179585 189805 201586 212570 233827 241570 245630 265727 274142 282205 297598 298265 343882 359170 361369 379610 395087 417571 436135 443465 467654 503965 531454 564410 596530 610589 620851 685355 722738 743995 790174 835142 859705 872270 886930 959497 1007930 1041593 1169135 1221178 1241702 1328635 1370710 1487990 1507781 1636789 1719410 1806845 1918994 1975435 2083186 2087855 2338270 2529583 2572097 2657270 2922997 3015562 3052945 3104255 3273578 3613690 3950870 3975059 4175710 4345957 4797485 5059166 5144194 5207965 5845994 6105890 6208510 6716479 7538905 7950118 8183945 8691914 9594970 10415930 10554467 11457523 12647915 12860485 13432958 14614985 15077810 16367890 17707081 18004679 19875295 21108934 21729785 22915046 25295830 25720970 27825413 29229970 33582395 35414162 36009358 39750590 43459570 43725649 52772335 55650826 57287615 67164790 73881269 87451298 88535405 90023395 105544670 114575230 126032753 139127065 147762538 177070810 180046790 194777891 218628245 252065506 278254130 306079543 369406345 389555782 437256490 612159086 630163765 738812690 973889455 1260327530 1530397715 1947778910 2142556801 3060795430 4285113602 10712784005 21425568010
• Sum of all divisors σ(n): 54086492880
• Sum of proper divisors (its aliquot sum) s(n): 32660924870
• 21425568010 is an abundant number, because the sum of its proper divisors (32660924870) is greater than itself. Its abundance is 11235356860

Bases of 21425568010

• Binary: 10011111101000100000011100100001010₂
• Hexadecimal: 0x4FD10390A
• Base-36: 9UC8A2Y

Squares and roots of 21425568010

• 21425568010 squared (21425568010²) is 459054964551135360100
• 21425568010 cubed (21425568010³) is 9835513363318489780538390401000
• The square root of 21425568010 is 146374.7519553833
• The cube root of 21425568010 is 2777.4363479189

Scales and comparisons

• 21,425,568,010 seconds is equal to 681 years, 13 weeks, 6 days, 2 hours, 40 minutes, 10 seconds.
• To count from 1 to 21,425,568,010 would take you about one thousand, three hundred sixty-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 21425568010 cubic inches would be around 231.5 feet tall.

Recreational maths with 21425568010

• 21425568010 backwards is 01086552412
• 21425568010 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21425568010's digits is 34
• More coming soon!