21610040790

Names of 21610040790

• Cardinal: 21610040790 can be written as Twenty-one billion, six hundred ten million, forty thousand, seven hundred ninety.

Scientific notation

• Scientific notation: 2.161004079 × 10¹⁰

Factors of 21610040790

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 105214

Divisors of 21610040790

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 10 13 15 17 26 30 31 34 39 51 62 65 78 85 93 102 130 155 170 186 195 221 255 310 390 403 442 465 510 527 663 806 930 1054 1105 1209 1326 1581 2015 2210 2418 2635 3162 3315 4030 5270 6045 6630 6851 7905 12090 13702 15810 20553 34255 41106 68510 102765 105143 205530 210286 315429 525715 630858 1051430 1366859 1577145 1787431 2733718 3154290 3259433 3574862 4100577 5362293 6518866 6834295 8201154 8937155 9778299 10724586 13668590 16297165 17874310 19556598 20502885 23236603 26811465 32594330 41005770 42372629 46473206 48891495 53622930 55410361 69709809 84745258 97782990 110820722 116183015 127117887 139419618 166231083 211863145 232366030 254235774 277051805 332462166 348549045 423726290 554103610 635589435 697098090 720334693 831155415 1271178870 1440669386 1662310830 2161004079 3601673465 4322008158 7203346930 10805020395 21610040790
• Sum of all divisors σ(n): 61047447552
• Sum of proper divisors (its aliquot sum) s(n): 39437406762
• 21610040790 is an abundant number, because the sum of its proper divisors (39437406762) is greater than itself. Its abundance is 17827365972

Bases of 21610040790

• Binary: 10100001000000011110000110111010110₂
• Hexadecimal: 0x5080F0DD6
• Base-36: 9XE266U

Squares and roots of 21610040790

• 21610040790 squared (21610040790²) is 466993862945463824100
• 21610040790 cubed (21610040790³) is 10091756426931142784270385039000
• The square root of 21610040790 is 147003.5400594149
• The cube root of 21610040790 is 2785.3847631223

Scales and comparisons

• 21,610,040,790 seconds is equal to 687 years, 6 weeks, 6 days, 5 hours, 6 minutes, 30 seconds.
• To count from 1 to 21,610,040,790 would take you about one thousand, three hundred seventy-four 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 21610040790 cubic inches would be around 232.1 feet tall.

Recreational maths with 21610040790

• 21610040790 backwards is 09704001612
• 21610040790 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21610040790's digits is 30
• More coming soon!