231988307471921

Names of 231988307471921

• Cardinal: 231988307471921 can be written as Two hundred thirty-one trillion, nine hundred eighty-eight billion, three hundred seven million, four hundred seventy-one thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 2.31988307471921 × 10¹⁴

Factors of 231988307471921

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 837

Divisors of 231988307471921

• Number of divisors d(n): 144
• Complete list of divisors:
  1 7 11 13 49 77 91 97 143 343 539 637 679 709 1001 1067 1261 3773 4459 4753 4963 7007 7469 7799 8827 9217 9409 13871 33271 34741 49049 52283 54593 61789 64519 65863 68773 97097 101387 103499 122317 243187 365981 382151 432523 451633 461041 481411 502681 679679 709709 724493 756503 856219 894049 1345487 2675057 3161431 3227287 3369877 3518767 4757753 4967963 5071451 5295521 5529491 5993533 6258343 6534853 6670981 9418409 9834539 23589139 24631369 34775741 35500157 37068647 38706437 41954731 43808401 45743971 46696867 48760057 65928863 68841773 71883383 73380791 86722753 172419583 259480529 270945059 306658807 320207797 326878069 341320399 461502041 481892411 503183681 513665537 536360627 607059271 633880741 953950283 1896615413 2241454579 2288146483 2389242793 3373246877 3522285767 3595658759 3754524389 4249414897 4437165187 4729725529 6677651981 6972688151 16724699551 24656000369 25169611313 26281670723 29745904279 31060156309 33108078703 46743563867 48808817057 52026980819 61486431877 183971695061 217421094163 231756550921 327204947069 341661719399 364188865733 430405023139 676350750647 1622295856447 2391632035793 2549322060131 3012835161973 4734455254529 17845254420917 21089846133811 33141186781703 231988307471921
• Sum of all divisors σ(n): 321601609526400
• Sum of proper divisors (its aliquot sum) s(n): 89613302054479
• 231988307471921 is a deficient number, because the sum of its proper divisors (89613302054479) is less than itself. Its deficiency is 142375005417442

Bases of 231988307471921

• Binary: 110100101111110111111100101010001010111000110001₂
• Hexadecimal: 0xD2FDFCA8AE31
• Base-36: 2A8DYGIALT

Squares and roots of 231988307471921

• 231988307471921 squared (231988307471921²) is 53818574803686556878203430241
• 231988307471921 cubed (231988307471921³) is 12485280079258217328764182591720832989762961
• The square root of 231988307471921 is 15231162.3808533077
• The cube root of 231988307471921 is 61445.3042219277

Scales and comparisons

• 231,988,307,471,921 seconds is equal to 7,376,510 years, 30 weeks, 4 days, 23 hours, 58 minutes, 41 seconds.
• To count from 1 to 231,988,307,471,921 would take you about eighteen million, four hundred forty-one thousand, two hundred seventy-six 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 231988307471921 cubic inches would be around 5120.4 feet tall.

Recreational maths with 231988307471921

• 231988307471921 backwards is 129174703889132
• The number of decimal digits it has is: 15
• The sum of 231988307471921's digits is 65
• More coming soon!