138709787490465624

Names of 138709787490465624

• Cardinal: 138709787490465624 can be written as One hundred thirty-eight quadrillion, seven hundred nine trillion, seven hundred eighty-seven billion, four hundred ninety million, four hundred sixty-five thousand, six hundred twenty-four.

Scientific notation

• Scientific notation: 1.38709787490465624 × 10¹⁷

Factors of 138709787490465624

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 145650932535

Divisors of 138709787490465624

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 4409 8818 13227 17636 26454 35272 39681 52908 79362 105816 119043 158724 238086 317448 476172 952344 145650928121 291301856242 436952784363 582603712484 873905568726 1165207424968 1310858353089 1747811137452 2621716706178 3495622274904 3932575059267 5243433412356 7865150118534 10486866824712 15730300237068 31460600474136 642174942085489 1284349884170978 1926524826256467 2568699768341956 3853049652512934 5137399536683912 5779574478769401 7706099305025868 11559148957538802 15412198610051736 17338723436308203 23118297915077604 34677446872616406 46236595830155208 69354893745232812 138709787490465624
• Sum of all divisors σ(n): 385392355810812000
• Sum of proper divisors (its aliquot sum) s(n): 246682568320346376
• 138709787490465624 is an abundant number, because the sum of its proper divisors (246682568320346376) is greater than itself. Its abundance is 107972780829880752

Bases of 138709787490465624

• Binary: 111101100110010111101000100011010001111010011011101011000₂
• Hexadecimal: 0x1ECCBD11A3D3758
• Base-36: 11XSIKOB8O60

Squares and roots of 138709787490465624

• 138709787490465624 squared (138709787490465624²) is 19240405145650133712280704325709376
• 138709787490465624 cubed (138709787490465624³) is 2668832508983591339526079498106318279131460342490624
• The square root of 138709787490465624 is 372437628.9937224161
• The cube root of 138709787490465624 is 517649.3846974213

Scales and comparisons

• 138,709,787,490,465,624 seconds is equal to 4,410,542,184 years, 33 weeks, 6 days, 17 hours, 20 minutes, 24 seconds.
• To count from 1 to 138,709,787,490,465,624 would take you about thirteen billion, two hundred thirty-one million, six hundred twenty-six thousand, five hundred fifty-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 138709787490465624 cubic inches would be around 43137.4 feet tall.

Recreational maths with 138709787490465624

• 138709787490465624 backwards is 426564094787907831
• The number of decimal digits it has is: 18
• The sum of 138709787490465624's digits is 90
• More coming soon!