31993346385

Names of 31993346385

• Cardinal: 31993346385 can be written as Thirty-one billion, nine hundred ninety-three million, three hundred forty-six thousand, three hundred eighty-five.

Scientific notation

• Scientific notation: 3.1993346385 × 10¹⁰

Factors of 31993346385

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1581

Divisors of 31993346385

• Number of divisors d(n): 320
• Complete list of divisors:
  1 3 5 7 9 11 13 15 21 27 33 35 39 45 53 55 63 65 77 81 91 99 105 117 135 143 159 165 189 195 231 265 273 297 315 351 371 385 405 429 455 477 495 567 583 585 689 693 715 795 819 891 945 1001 1053 1113 1155 1287 1365 1431 1485 1489 1749 1755 1855 2067 2079 2145 2385 2457 2835 2915 3003 3339 3445 3465 3861 4081 4095 4293 4455 4467 4823 5005 5247 5265 5565 6201 6237 6435 7155 7371 7445 7579 8745 9009 10017 10335 10395 10423 11583 12243 12285 13401 14469 15015 15741 16379 16695 18603 19305 19357 20405 21465 22335 22737 24115 26235 27027 30051 31005 31185 31269 36729 36855 37895 40203 43407 45045 47223 49137 50085 52115 53053 55809 57915 58071 61215 67005 68211 72345 78705 78917 81081 81895 93015 93807 96785 110187 113685 114653 120609 130221 135135 135499 147411 150255 156345 159159 174213 183645 201015 204633 212927 217035 236115 236751 245685 265265 279045 281421 290355 330561 341055 343959 390663 394585 405405 406497 442233 469035 477477 522639 550935 552419 573265 603045 613899 638781 651105 677495 710253 737055 795795 844263 868087 871065 1023165 1025921 1031877 1064635 1183755 1219491 1326699 1407105 1432431 1490489 1567917 1652805 1657257 1719795 1916343 1953315 2032485 2130759 2211165 2387385 2604261 2613195 2762095 3069495 3077763 3095631 3193905 3551265 3658473 4221315 4297293 4340435 4471467 4971771 5129605 5159385 5749029 6076609 6097455 6392277 6633495 7162155 7181447 7452445 7812783 7839585 8286285 9233289 9286893 9581715 10653795 10975419 11285131 13021305 13414401 14915313 15388815 15478155 17247087 18229827 18292365 21486465 21544341 22357335 23438349 24858855 27699867 28745145 30383045 31961385 33855393 35907235 39063915 40243203 44745939 46166445 46434465 54689481 54877095 56425655 64633023 67072005 70315047 74576565 78995917 83099601 86235435 91149135 101566179 107721705 117191745 120729609 138499335 164068443 169276965 193899069 201216015 223729695 236987751 273447405 304698537 323165115 351575235 394979585 415498005 492205329 507830895 581697207 603648045 710963253 820342215 914095611 969495345 1184938755 1523492685 2132889759 2461026645 2908486035 3554816265 4570478055 6398669277 10664448795 31993346385
• Sum of all divisors σ(n): 78508362240
• Sum of proper divisors (its aliquot sum) s(n): 46515015855
• 31993346385 is an abundant number, because the sum of its proper divisors (46515015855) is greater than itself. Its abundance is 14521669470

Bases of 31993346385

• Binary: 11101110010111100111011100101010001₂
• Hexadecimal: 0x772F3B951
• Base-36: EP40G29

Squares and roots of 31993346385

• 31993346385 squared (31993346385²) is 1023574212910592568225
• 31993346385 cubed (31993346385³) is 32747564344402327070829169616625
• The square root of 31993346385 is 178866.8398138683
• The cube root of 31993346385 is 3174.5820479455

Scales and comparisons

• 31,993,346,385 seconds is equal to 1,017 years, 15 weeks, 8 hours, 39 minutes, 45 seconds.
• To count from 1 to 31,993,346,385 would take you about two thousand and thirty-four 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 31993346385 cubic inches would be around 264.5 feet tall.

Recreational maths with 31993346385

• 31993346385 backwards is 58364339913
• The number of decimal digits it has is: 11
• The sum of 31993346385's digits is 54
• More coming soon!