13513249418078781

Names of 13513249418078781

• Cardinal: 13513249418078781 can be written as Thirteen quadrillion, five hundred thirteen trillion, two hundred forty-nine billion, four hundred eighteen million, seventy-eight thousand, seven hundred eighty-one.

Scientific notation

• Scientific notation: 1.3513249418078781 × 10¹⁶

Factors of 13513249418078781

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 49607729

Divisors of 13513249418078781

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 9 21 27 63 103 189 309 721 927 2163 2781 6489 13997 19467 41991 97979 125973 293937 377919 881811 1441691 2645433 4325073 10091837 12975219 30275511 38925657 49593619 90826533 148780857 272479599 347155333 446342571 1041465999 1339027713 3124397997 5108142757 9373193991 15324428271 35756999299 45973284813 107270997897 137919854439 321812993691 694161885143 965438981073 2082485655429 4859133196001 6247456966287 14577399588003 18742370898861 43732198764009 71498674169729 131196596292027 214496022509187 500490719188103 643488067527561 1501472157564309 1930464202582683 4504416472692927 13513249418078781
• Sum of all divisors σ(n): 23103358479052800
• Sum of proper divisors (its aliquot sum) s(n): 9590109060974019
• 13513249418078781 is a deficient number, because the sum of its proper divisors (9590109060974019) is less than itself. Its deficiency is 3923140357104762

Bases of 13513249418078781

• Binary: 110000000000100011101010001111010100110110101000111101₂
• Hexadecimal: 0x30023A8F536A3D
• Base-36: 3P21P2XRHH9

Squares and roots of 13513249418078781

• 13513249418078781 squared (13513249418078781²) is 182607909835206513328805122445961
• 13513249418078781 cubed (13513249418078781³) is 2467626231317186925895012467854857816052113253541
• The square root of 13513249418078781 is 116246502.8208538453
• The cube root of 13513249418078781 is 238188.0291410159

Scales and comparisons

• 13,513,249,418,078,781 seconds is equal to 429,679,532 years, 14 weeks, 6 hours, 46 minutes, 21 seconds.
• To count from 1 to 13,513,249,418,078,781 would take you about one billion, two hundred eighty-nine million, thirty-eight thousand, five hundred ninety-six 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 13513249418078781 cubic inches would be around 19849 feet tall.

Recreational maths with 13513249418078781

• 13513249418078781 backwards is 18787081494231531
• The number of decimal digits it has is: 17
• The sum of 13513249418078781's digits is 72
• More coming soon!