18938961088595072

Names of 18938961088595072

• Cardinal: 18938961088595072 can be written as Eighteen quadrillion, nine hundred thirty-eight trillion, nine hundred sixty-one billion, eighty-eight million, five hundred ninety-five thousand and seventy-two.

Scientific notation

• Scientific notation: 1.8938961088595072 × 10¹⁶

Factors of 18938961088595072

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 248252

Divisors of 18938961088595072

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 56 64 98 112 128 196 224 343 392 448 686 784 896 1372 1568 2401 2744 3136 4802 5488 6272 9604 10976 19208 21952 38416 43904 76832 153664 248243 307328 496486 992972 1737701 1985944 3475402 3971888 6950804 7943776 12163907 13901608 15887552 24327814 27803216 31775104 48655628 55606432 85147349 97311256 111212864 170294698 194622512 222425728 340589396 389245024 596031443 681178792 778490048 1192062886 1362357584 1556980096 2384125772 2724715168 4768251544 5449430336 9536503088 10898860672 19073006176 38146012352 61624587049 76292024704 123249174098 246498348196 431372109343 492996696392 862744218686 985993392784 1725488437372 1971986785568 3019604765401 3450976874744 3943973571136 6039209530802 6901953749488 7887947142272 12078419061604 13803907498976 21137233357807 24156838123208 27607814997952 42274466715614 48313676246416 55215629995904 84548933431228 96627352492832 147960633504649 169097866862456 193254704985664 295921267009298 338195733724912 386509409971328 591842534018596 676391467449824 1183685068037192 1352782934899648 2367370136074384 2705565869799296 4734740272148768 9469480544297536 18938961088595072
• Sum of all divisors σ(n): 44015846732201715
• Sum of proper divisors (its aliquot sum) s(n): 25076885643606643
• 18938961088595072 is an abundant number, because the sum of its proper divisors (25076885643606643) is greater than itself. Its abundance is 6137924555011571

Bases of 18938961088595072

• Binary: 1000011010010001110001010000000000110011100010010000000₂
• Hexadecimal: 0x4348E28019C480
• Base-36: 56HAUM2NXQ8

Squares and roots of 18938961088595072

• 18938961088595072 squared (18938961088595072²) is 358684247115318234649470782685184
• 18938961088595072 cubed (18938961088595072³) is 6793106999209031247062587125596933807714229813248
• The square root of 18938961088595072 is 137618898.0067602199
• The cube root of 18938961088595072 is 266554.1103788091

Scales and comparisons

• 18,938,961,088,595,072 seconds is equal to 602,200,380 years, 29 weeks, 2 days, 9 hours, 44 minutes, 32 seconds.
• To count from 1 to 18,938,961,088,595,072 would take you about one billion, eight hundred six million, six hundred one thousand, one hundred forty-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 18938961088595072 cubic inches would be around 22212.8 feet tall.

Recreational maths with 18938961088595072

• 18938961088595072 backwards is 27059588016983981
• The number of decimal digits it has is: 17
• The sum of 18938961088595072's digits is 89
• More coming soon!