31920943870557

Names of 31920943870557

• Cardinal: 31920943870557 can be written as Thirty-one trillion, nine hundred twenty billion, nine hundred forty-three million, eight hundred seventy thousand, five hundred fifty-seven.

Scientific notation

• Scientific notation: 3.1920943870557 × 10¹³

Factors of 31920943870557

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 633

Divisors of 31920943870557

• Number of divisors d(n): 300
• Complete list of divisors:
  1 3 7 9 17 21 27 29 49 51 63 81 87 119 147 153 189 203 261 343 357 441 459 493 567 577 609 783 833 1029 1071 1323 1377 1421 1479 1731 1827 2349 2401 2499 3087 3213 3451 3969 4039 4263 4437 5193 5481 5831 7203 7497 9261 9639 9809 9947 10353 12117 12789 13311 15579 16443 16733 17493 21609 22491 24157 27783 28273 29427 29841 31059 36351 38367 39933 40817 46737 50199 52479 64827 67473 68663 69629 72471 84819 88281 89523 93177 109053 115101 117131 122451 150597 157437 169099 194481 197911 205989 208887 217413 254457 264843 268569 279531 284461 327159 332929 351393 367353 451791 472311 480641 507297 593733 617967 626661 652239 763371 794529 805707 819917 853383 998787 1054179 1102059 1183693 1355373 1385377 1441923 1521891 1781199 1853901 1879983 1956717 1991227 2290113 2330503 2459751 2560149 2996361 3162537 3306177 3364487 3551079 4156131 4325769 4565673 5343597 5561703 5639949 5659793 5739419 5973681 6991509 7379253 7680447 8989083 9487611 9654941 10093461 10653237 12468393 12977307 13697019 13938589 16030791 16313521 16979379 17218257 17921043 20974527 22137759 23041341 23551409 26967249 28964823 30280383 31959711 37405179 38931921 39618551 40175933 41815767 48940563 50938137 51654771 53763129 62923581 66413277 67584587 70654227 86894469 90841149 95879133 97570123 112215537 114194647 118855653 120527799 125447301 146821689 152814411 154964313 161289387 164133997 188770743 202753761 211962681 260683407 272523447 277329857 292710369 342583941 356566959 361583397 376341903 440465067 458443233 464892939 473092109 492401991 608261283 635888043 682990861 782050221 799362529 831989571 878131107 1027751823 1069700877 1084750191 1129025709 1148937979 1321395201 1419276327 1477205973 1824783849 1907664129 1941308999 2048972583 2398087587 2495968713 2634393321 3083255469 3209102631 3254250573 3311644763 3446813937 4257828981 4431617919 5474351547 5823926997 6146917749 7194262761 7487906139 7903179963 8042565853 9249766407 9934934289 10340441811 12773486943 13294853757 13589162993 17471780991 18440753247 21582788283 22463718417 23181513341 24127697559 29804802867 31021325433 38320460829 40767488979 52415342973 55322259741 56297960971 64748364849 69544540023 72383092677 89414408601 93063976299 122302466937 157246028919 168893882913 208633620069 217149278031 268243225803 366907400811 394085726797 506681648739 625900860207 651447834093 1100722202433 1182257180391 1520044946217 1877702580621 3546771541173 4560134838651 10640314623519 31920943870557
• Sum of all divisors σ(n): 61037564011380
• Sum of proper divisors (its aliquot sum) s(n): 29116620140823
• 31920943870557 is a deficient number, because the sum of its proper divisors (29116620140823) is less than itself. Its deficiency is 2804323729734

Bases of 31920943870557

• Binary: 111010000100000101100100001010011001001011101₂
• Hexadecimal: 0x1D082C85325D
• Base-36: BBCA1T0T9

Squares and roots of 31920943870557

• 31920943870557 squared (31920943870557²) is 1018946657587250508371490249
• 31920943870557 cubed (31920943870557³) is 32525739063934286393631403879744243698693
• The square root of 31920943870557 is 5649862.2877515343
• The cube root of 31920943870557 is 31721.8549415687

Scales and comparisons

• 31,920,943,870,557 seconds is equal to 1,014,987 years, 14 weeks, 2 days, 20 hours, 55 minutes, 57 seconds.
• To count from 1 to 31,920,943,870,557 would take you about two million, five hundred thirty-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 31920943870557 cubic inches would be around 2643.5 feet tall.

Recreational maths with 31920943870557

• 31920943870557 backwards is 75507834902913
• 31920943870557 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 31920943870557's digits is 63
• More coming soon!