21557067804

Names of 21557067804

• Cardinal: 21557067804 can be written as Twenty-one billion, five hundred fifty-seven million, sixty-seven thousand, eight hundred four.

Scientific notation

• Scientific notation: 2.1557067804 × 10¹⁰

Factors of 21557067804

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 908

Divisors of 21557067804

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 9 12 17 18 19 31 34 36 38 51 57 62 68 76 79 93 102 114 124 153 158 171 186 204 228 237 279 306 316 323 342 372 474 527 558 589 612 646 684 711 757 948 969 1054 1116 1178 1292 1343 1422 1501 1514 1581 1767 1938 2108 2271 2356 2449 2686 2844 2907 3002 3028 3162 3534 3876 4029 4503 4542 4743 4898 5301 5372 5814 6004 6324 6813 7068 7347 8058 9006 9084 9486 9796 10013 10602 11628 12087 12869 13509 13626 14383 14694 16116 18012 18972 20026 21204 22041 23467 24174 25517 25738 27018 27252 28766 29388 30039 38607 40052 41633 43149 44082 46531 46934 48348 51034 51476 54036 57532 59803 60078 70401 76551 77214 83266 86298 88164 90117 93062 93868 102068 115821 119606 120156 124899 129447 139593 140802 153102 154428 166532 172596 179409 180234 186124 211203 229653 231642 239212 244511 249798 258894 279186 281604 306204 358818 360468 374697 398939 418779 422406 445873 459306 463284 489022 499596 517788 538227 558372 717636 733533 749394 791027 797878 837558 844812 891746 918612 978044 1016651 1076454 1136257 1196817 1337619 1467066 1498788 1582054 1595756 1675116 1783492 1853893 2033302 2152908 2200599 2272514 2373081 2393634 2675238 2934132 3049953 3164108 3408771 3590451 3707786 4012857 4066604 4401198 4545028 4746162 4787268 5350476 5561679 6099906 6817542 7119243 7180902 7415572 7579841 8025714 8802396 9149859 9492324 10226313 11123358 12199812 13635084 14238486 14361804 15159682 16051428 16685037 18299718 19316369 20452626 22246716 22739523 28476972 30319364 31516181 33370074 35223967 36599436 38632738 40905252 45479046 57949107 63032362 66740148 68218569 70447934 77265476 90958092 94548543 105671901 115898214 126064724 136437138 140895868 173847321 189097086 211343802 231796428 272874276 283645629 317015703 347694642 378194172 422687604 567291258 598807439 634031406 695389284 1134582516 1197614878 1268062812 1796422317 2395229756 3592844634 5389266951 7185689268 10778533902 21557067804
• Sum of all divisors σ(n): 63570124800
• Sum of proper divisors (its aliquot sum) s(n): 42013056996
• 21557067804 is an abundant number, because the sum of its proper divisors (42013056996) is greater than itself. Its abundance is 20455989192

Bases of 21557067804

• Binary: 10100000100111001101100000000011100₂
• Hexadecimal: 0x504E6C01C
• Base-36: 9WIIRZ0

Squares and roots of 21557067804

• 21557067804 squared (21557067804²) is 464707172306253382416
• 21557067804 cubed (21557067804³) is 10017724022411015217946053334464
• The square root of 21557067804 is 146823.2536214891
• The cube root of 21557067804 is 2783.1069504171

Scales and comparisons

• 21,557,067,804 seconds is equal to 685 years, 23 weeks, 2 days, 2 hours, 23 minutes, 24 seconds.
• To count from 1 to 21,557,067,804 would take you about one thousand, three hundred seventy 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 21557067804 cubic inches would be around 231.9 feet tall.

Recreational maths with 21557067804

• 21557067804 backwards is 40876075512
• The number of decimal digits it has is: 11
• The sum of 21557067804's digits is 45
• More coming soon!