31321997168

Names of 31321997168

• Cardinal: 31321997168 can be written as Thirty-one billion, three hundred twenty-one million, nine hundred ninety-seven thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 3.1321997168 × 10¹⁰

Factors of 31321997168

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 436

Divisors of 31321997168

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 28 37 44 49 56 74 77 88 98 112 148 154 176 196 259 296 308 343 379 392 407 518 539 592 616 686 758 784 814 1036 1078 1232 1369 1372 1516 1628 1813 2072 2156 2653 2738 2744 2849 3032 3256 3626 3773 4144 4169 4312 5306 5476 5488 5698 6064 6512 7252 7546 8338 8624 9583 10612 10952 11396 12691 14023 14504 15059 15092 16676 18571 19166 19943 21224 21904 22792 25382 28046 29008 29183 30118 30184 33352 37142 38332 39886 42448 45584 50764 56092 58366 60236 60368 66704 67081 74284 76664 79772 98161 101528 105413 112184 116732 120472 129997 134162 139601 148568 153328 154253 159544 196322 203056 204281 210826 224368 233464 240944 259994 268324 279202 297136 308506 319088 392644 408562 421652 466928 469567 518851 519988 536648 558404 617012 687127 737891 785288 817124 843304 939134 1037702 1039976 1073296 1079771 1116808 1234024 1374254 1429967 1475782 1570576 1634248 1686608 1878268 2075404 2079952 2159542 2233616 2468048 2748508 2859934 2951564 3268496 3631957 3756536 4150808 4319084 4809889 5165237 5497016 5707361 5719868 5903128 7263914 7513072 7558397 8301616 8638168 9619778 10330474 10994032 11414722 11439736 11806256 14527828 15116794 17276336 19239556 20660948 22829444 22879472 25423699 29055656 30233588 38479112 39951527 41321896 45658888 50847398 52908779 58111312 60467176 76958224 79903054 82643792 91317776 101694796 105817558 120934352 159806108 177965893 203389592 211635116 279660689 319612216 355931786 406779184 423270232 559321378 639224432 711863572 846540464 1118642756 1423727144 1957624823 2237285512 2847454288 3915249646 4474571024 7830499292 15660998584 31321997168
• Sum of all divisors σ(n): 79557408000
• Sum of proper divisors (its aliquot sum) s(n): 48235410832
• 31321997168 is an abundant number, because the sum of its proper divisors (48235410832) is greater than itself. Its abundance is 16913413664

Bases of 31321997168

• Binary: 11101001010111011111011111101110000₂
• Hexadecimal: 0x74AEFBF70
• Base-36: EE0B3OW

Squares and roots of 31321997168

• 31321997168 squared (31321997168²) is 981067506592200020224
• 31321997168 cubed (31321997168³) is 30728993663097710364345670725632
• The square root of 31321997168 is 176980.2168831307
• The cube root of 31321997168 is 3152.2197226949

Scales and comparisons

• 31,321,997,168 seconds is equal to 995 years, 49 weeks, 2 hours, 46 minutes, 8 seconds.
• To count from 1 to 31,321,997,168 would take you about one thousand, nine hundred ninety-one 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 31321997168 cubic inches would be around 262.7 feet tall.

Recreational maths with 31321997168

• 31321997168 backwards is 86179912313
• The number of decimal digits it has is: 11
• The sum of 31321997168's digits is 50
• More coming soon!