21353844569949504

Names of 21353844569949504

• Cardinal: 21353844569949504 can be written as Twenty-one quadrillion, three hundred fifty-three trillion, eight hundred forty-four billion, five hundred sixty-nine million, nine hundred forty-nine thousand, five hundred four.

Scientific notation

• Scientific notation: 2.1353844569949504 × 10¹⁶

Factors of 21353844569949504

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 904070221

Divisors of 21353844569949504

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 144 192 216 288 432 576 864 1728 13669 27338 41007 54676 82014 109352 123021 164028 218704 246042 328056 369063 437408 492084 656112 738126 874816 984168 1312224 1476252 1968336 2624448 2952504 3936672 5905008 7873344 11810016 23620032 904056547 1808113094 2712169641 3616226188 5424339282 7232452376 8136508923 10848678564 14464904752 16273017846 21697357128 24409526769 28929809504 32546035692 43394714256 48819053538 57859619008 65092071384 86789428512 97638107076 130184142768 173578857024 195276214152 260368285536 390552428304 520736571072 781104856608 1562209713216 12357548940943 24715097881886 37072646822829 49430195763772 74145293645658 98860391527544 111217940468487 148290587291316 197720783055088 222435880936974 296581174582632 333653821405461 395441566110176 444871761873948 593162349165264 667307642810922 790883132220352 889743523747896 1186324698330528 1334615285621844 1779487047495792 2372649396661056 2669230571243688 3558974094991584 5338461142487376 7117948189983168 10676922284974752 21353844569949504
• Sum of all divisors σ(n): 62780941296692800
• Sum of proper divisors (its aliquot sum) s(n): 41427096726743296
• 21353844569949504 is an abundant number, because the sum of its proper divisors (41427096726743296) is greater than itself. Its abundance is 20073252156793792

Bases of 21353844569949504

• Binary: 1001011110111010011010101100000001011100100010101000000₂
• Hexadecimal: 0x4BDD35602E4540
• Base-36: 5U9B0RP0PC0

Squares and roots of 21353844569949504

• 21353844569949504 squared (21353844569949504²) is 455986677917561917429189109846016
• 21353844569949504 cubed (21353844569949504³) is 9737068646219242954845953026205977964442335576064
• The square root of 21353844569949504 is 146129547.2173560937
• The cube root of 21353844569949504 is 277433.3668759251

Scales and comparisons

• 21,353,844,569,949,504 seconds is equal to 678,986,205 years, 28 weeks, 2 days, 20 hours, 38 minutes, 24 seconds.
• To count from 1 to 21,353,844,569,949,504 would take you about two billion, thirty-six million, nine hundred fifty-eight thousand, six hundred sixteen 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 21353844569949504 cubic inches would be around 23119.4 feet tall.

Recreational maths with 21353844569949504

• 21353844569949504 backwards is 40594996544835312
• The number of decimal digits it has is: 17
• The sum of 21353844569949504's digits is 81
• More coming soon!