31499472840

Names of 31499472840

• Cardinal: 31499472840 can be written as Thirty-one billion, four hundred ninety-nine million, four hundred seventy-two thousand, eight hundred forty.

Scientific notation

• Scientific notation: 3.149947284 × 10¹⁰

Factors of 31499472840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 555023

Divisors of 31499472840

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 43 44 55 60 66 86 88 110 120 129 132 165 172 215 220 258 264 330 344 430 440 473 516 645 660 860 946 1032 1290 1320 1419 1720 1892 2365 2580 2838 3784 4730 5160 5676 7095 9460 11352 14190 18920 28380 56760 554959 1109918 1664877 2219836 2774795 3329754 4439672 5549590 6104549 6659508 8324385 11099180 12209098 13319016 16648770 18313647 22198360 23863237 24418196 30522745 33297540 36627294 47726474 48836392 61045490 66595080 71589711 73254588 91568235 95452948 119316185 122090980 143179422 146509176 183136470 190905896 238632370 244181960 262495607 286358844 357948555 366272940 477264740 524991214 572717688 715897110 732545880 787486821 954529480 1049982428 1312478035 1431794220 1574973642 2099964856 2624956070 2863588440 3149947284 3937434105 5249912140 6299894568 7874868210 10499824280 15749736420 31499472840
• Sum of all divisors σ(n): 105486796800
• Sum of proper divisors (its aliquot sum) s(n): 73987323960
• 31499472840 is an abundant number, because the sum of its proper divisors (73987323960) is greater than itself. Its abundance is 42487851120

Bases of 31499472840

• Binary: 11101010101100000111100111111001000₂
• Hexadecimal: 0x75583CFC8
• Base-36: EGXZ0SO

Squares and roots of 31499472840

• 31499472840 squared (31499472840²) is 992216789197897665600
• 31499472840 cubed (31499472840³) is 31254305802731182902666602304000
• The square root of 31499472840 is 177480.9083817187
• The cube root of 31499472840 is 3158.1621810997

Scales and comparisons

• 31,499,472,840 seconds is equal to 1,001 years, 30 weeks, 3 days, 5 hours, 34 minutes.
• To count from 1 to 31,499,472,840 would take you about two thousand and three 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 31499472840 cubic inches would be around 263.2 feet tall.

Recreational maths with 31499472840

• 31499472840 backwards is 04827499413
• The number of decimal digits it has is: 11
• The sum of 31499472840's digits is 51
• More coming soon!