21131107957824

Names of 21131107957824

• Cardinal: 21131107957824 can be written as Twenty-one trillion, one hundred thirty-one billion, one hundred seven million, nine hundred fifty-seven thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 2.1131107957824 × 10¹³

Factors of 21131107957824

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 329

Divisors of 21131107957824

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 97 192 194 227 291 388 454 582 681 776 908 1164 1362 1552 1816 2328 2724 3104 3632 4656 5448 6208 7264 9312 9409 10896 14528 18624 18818 21792 22019 28227 37636 43584 44038 51529 56454 66057 75272 88076 103058 112908 132114 150544 154587 176152 206116 225816 264228 301088 309174 352304 412232 451632 528456 602176 618348 704608 824464 903264 1056912 1236696 1409216 1648928 1806528 2113824 2135843 2473392 3297856 4227648 4271686 4946784 4998313 6407529 8543372 9893568 9996626 11697083 12815058 14994939 17086744 19993252 23394166 25630116 29989878 34173488 35091249 39986504 46788332 51260232 59979756 68346976 70182498 79973008 93576664 102520464 119959512 136693952 140364996 159946016 187153328 205040928 239919024 280729992 319892032 374306656 410081856 479838048 484836361 561459984 748613312 959676096 969672722 1122919968 1134617051 1454509083 1939345444 2245839936 2269234102 2909018166 3403851153 3878690888 4538468204 5818036332 6807702306 7757381776 9076936408 11636072664 13615404612 15514763552 18153872816 23272145328 27230809224 31029527104 36307745632 46544290656 54461618448 72615491264 93088581312 108923236896 110057853947 217846473792 220115707894 330173561841 440231415788 660347123682 880462831576 1320694247364 1760925663152 2641388494728 3521851326304 5282776989456 7043702652608 10565553978912 21131107957824
• Sum of all divisors σ(n): 56741680715040
• Sum of proper divisors (its aliquot sum) s(n): 35610572757216
• 21131107957824 is an abundant number, because the sum of its proper divisors (35610572757216) is greater than itself. Its abundance is 14479464799392

Bases of 21131107957824

• Binary: 100110011011111111000001011101111110001000000₂
• Hexadecimal: 0x1337F82EFC40
• Base-36: 7HNHW37EO

Squares and roots of 21131107957824

• 21131107957824 squared (21131107957824²) is 446523723525212779762814976
• 21131107957824 cubed (21131107957824³) is 9435541007540827408748883442596923572224
• The square root of 21131107957824 is 4596858.4879049735
• The cube root of 21131107957824 is 27646.5380738589

Scales and comparisons

• 21,131,107,957,824 seconds is equal to 671,903 years, 45 weeks, 1 day, 18 hours, 30 minutes, 24 seconds.
• To count from 1 to 21,131,107,957,824 would take you about one million, six hundred seventy-nine thousand, seven hundred fifty-nine 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 21131107957824 cubic inches would be around 2303.9 feet tall.

Recreational maths with 21131107957824

• 21131107957824 backwards is 42875970113112
• The number of decimal digits it has is: 14
• The sum of 21131107957824's digits is 51
• More coming soon!