21479685007368

Names of 21479685007368

• Cardinal: 21479685007368 can be written as Twenty-one trillion, four hundred seventy-nine billion, six hundred eighty-five million, seven thousand, three hundred sixty-eight.

Scientific notation

• Scientific notation: 2.1479685007368 × 10¹³

Factors of 21479685007368

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 555271

Divisors of 21479685007368

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 21 24 28 42 56 59 84 118 168 177 236 354 413 472 708 826 1239 1416 1652 2478 3304 3931 4956 7862 9912 11793 15724 23586 27517 31448 47172 55034 82551 94344 110068 165102 220136 231929 330204 463858 551269 660408 695787 927716 1102538 1391574 1623503 1653807 1855432 2205076 2783148 3247006 3307614 3858883 4410152 4870509 5566296 6494012 6615228 7717766 9741018 11576649 12988024 13230456 15435532 19482036 23153298 30871064 32524871 38964072 46306596 65049742 92613192 97574613 130099484 195149226 227674097 260198968 390298452 455348194 683022291 780596904 910696388 1366044582 1821392776 2167038439 2732089164 4334076878 5464178328 6501115317 8668153756 13002230634 15169269073 17336307512 26004461268 30338538146 45507807219 52008922536 60677076292 91015614438 121354152584 127855267901 182031228876 255710535802 364062457752 383565803703 511421071604 767131607406 894986875307 1022842143208 1534263214812 1789973750614 2684960625921 3068526429624 3579947501228 5369921251842 7159895002456 10739842503684 21479685007368
• Sum of all divisors σ(n): 62426696832000
• Sum of proper divisors (its aliquot sum) s(n): 40947011824632
• 21479685007368 is an abundant number, because the sum of its proper divisors (40947011824632) is greater than itself. Its abundance is 19467326817264

Bases of 21479685007368

• Binary: 100111000100100100000111111101010100000001000₂
• Hexadecimal: 0x138920FEA808
• Base-36: 7M3MPV47C

Squares and roots of 21479685007368

• 21479685007368 squared (21479685007368²) is 461376868015749638214287424
• 21479685007368 cubed (21479685007368³) is 9910229794664302031246899701344309740032
• The square root of 21479685007368 is 4634618.1080395393
• The cube root of 21479685007368 is 27797.7281097045

Scales and comparisons

• 21,479,685,007,368 seconds is equal to 682,987 years, 28 weeks, 1 day, 8 hours, 42 minutes, 48 seconds.
• To count from 1 to 21,479,685,007,368 would take you about one million, seven hundred seven thousand, four hundred sixty-eight 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 21479685007368 cubic inches would be around 2316.5 feet tall.

Recreational maths with 21479685007368

• 21479685007368 backwards is 86370058697412
• The number of decimal digits it has is: 14
• The sum of 21479685007368's digits is 66
• More coming soon!