81982363831989713

Names of 81982363831989713

• Cardinal: 81982363831989713 can be written as Eighty-one quadrillion, nine hundred eighty-two trillion, three hundred sixty-three billion, eight hundred thirty-one million, nine hundred eighty-nine thousand, seven hundred thirteen.

Scientific notation

• Scientific notation: 8.1982363831989713 × 10¹⁶

Factors of 81982363831989713

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 295

Divisors of 81982363831989713

• Number of divisors d(n): 64
• Complete list of divisors:
  1 37 59 199 1369 2183 3481 7363 11741 39601 50653 80771 128797 205379 272431 434417 692719 1465237 2336459 2988527 4765489 7599023 7880599 10079947 16073429 25630603 40870421 54213769 86448983 137851081 176323093 281163851 291582163 464955341 594716873 948332311 1512205577 2005909453 3198612371 5100489997 8133213779 10403062487 10788540031 17203347617 27432365119 35088295507 55951606349 118348657727 188718129889 300928909823 399175981147 636523861829 1014997509403 1618509542021 2070209434913 6982570805893 11134369663451 23551382887673 37554907847911 59884853054777 411971677547687 1389531590372707 2215739563026749 81982363831989713
• Sum of all divisors σ(n): 86145242134080000
• Sum of proper divisors (its aliquot sum) s(n): 4162878302090287
• 81982363831989713 is a deficient number, because the sum of its proper divisors (4162878302090287) is less than itself. Its deficiency is 77819485529899426

Bases of 81982363831989713

• Binary: 100100011010000101000011010001010000011010111010111010001₂
• Hexadecimal: 0x12342868A0D75D1
• Base-36: MF8BM0FNQOH

Squares and roots of 81982363831989713

• 81982363831989713 squared (81982363831989713²) is 6721107979480735019070520537822369
• 81982363831989713 cubed (81982363831989713³) is 551012319727878868730437954876240593901385429290097
• The square root of 81982363831989713 is 286325625.5244886617
• 81982363831989713 is a perfect cube number. Its cube root is 434417

Scales and comparisons

• 81,982,363,831,989,713 seconds is equal to 2,606,785,581 years, 39 weeks, 2 days, 3 hours, 21 minutes, 53 seconds.
• To count from 1 to 81,982,363,831,989,713 would take you about seven billion, eight hundred twenty million, three hundred fifty-six thousand, seven hundred forty-five 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 81982363831989713 cubic inches would be around 36201.4 feet tall.

Recreational maths with 81982363831989713

• 81982363831989713 backwards is 31798913836328918
• The number of decimal digits it has is: 17
• The sum of 81982363831989713's digits is 89
• More coming soon!