72136655838

Names of 72136655838

• Cardinal: 72136655838 can be written as Seventy-two billion, one hundred thirty-six million, six hundred fifty-five thousand, eight hundred thirty-eight.

Scientific notation

• Scientific notation: 7.2136655838 × 10¹⁰

Factors of 72136655838

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 158

Divisors of 72136655838

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 6 9 13 18 26 27 31 39 54 62 78 81 93 109 117 162 186 218 234 243 279 327 351 403 486 558 654 702 806 837 961 981 1053 1209 1417 1674 1922 1962 2106 2418 2511 2834 2883 2943 3159 3379 3627 4251 5022 5766 5886 6318 6758 7254 7533 8502 8649 8829 10137 10881 11881 12493 12753 15066 17298 17658 20274 21762 23762 24986 25506 25947 26487 30411 32643 35643 37479 38259 43927 51894 52974 60822 65286 71286 74958 76518 77841 87854 91233 97929 104749 106929 112437 114777 131781 154453 155682 182466 195858 209498 213858 224874 229554 233523 263562 273699 308906 314247 320787 337311 344331 368311 395343 463359 467046 547398 628494 641574 674622 688662 736622 790686 821097 926718 942741 962361 1011933 1104933 1186029 1361737 1390077 1642194 1885482 1924722 2023866 2209866 2372058 2723474 2780154 2828223 2887083 3035799 3314799 3558087 4085211 4170231 4788043 5656446 5774166 6071598 6629598 7116174 8170422 8340462 8484669 9576086 9944397 10674261 11417641 12255633 12510693 14364129 16969338 19888794 21348522 22835282 24511266 25021386 25454007 28728258 29833191 34252923 36766899 37532079 43092387 50908014 59666382 68505846 73533798 75064158 86184774 89499573 102758769 110300697 129277161 148429333 178999146 205517538 220601394 258554322 296858666 308276307 330902091 387831483 445287999 616552614 661804182 775662966 890575998 924828921 1163494449 1335863997 1849657842 2326988898 2671727994 2774486763 4007591991 5548973526 8015183982 12022775973 24045551946 36068327919 72136655838
• Sum of all divisors σ(n): 182035179144
• Sum of proper divisors (its aliquot sum) s(n): 109898523306
• 72136655838 is an abundant number, because the sum of its proper divisors (109898523306) is greater than itself. Its abundance is 37761867468

Bases of 72136655838

• Binary: 1000011001011101011100000001111011110₂
• Hexadecimal: 0x10CBAE03DE
• Base-36: X50AVVI

Squares and roots of 72136655838

• 72136655838 squared (72136655838²) is 5203697115490059482244
• 72136655838 cubed (72136655838³) is 375377307905299759580783899940472
• The square root of 72136655838 is 268582.6797058961
• The cube root of 72136655838 is 4162.7979789605

Scales and comparisons

• 72,136,655,838 seconds is equal to 2,293 years, 37 weeks, 3 days, 23 hours, 57 minutes, 18 seconds.
• To count from 1 to 72,136,655,838 would take you about four thousand, five hundred eighty-seven 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 72136655838 cubic inches would be around 346.9 feet tall.

Recreational maths with 72136655838

• 72136655838 backwards is 83855663127
• 72136655838 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72136655838's digits is 54
• More coming soon!