85643270013

Names of 85643270013

• Cardinal: 85643270013 can be written as Eighty-five billion, six hundred forty-three million, two hundred seventy thousand and thirteen.

Scientific notation

• Scientific notation: 8.5643270013 × 10¹⁰

Factors of 85643270013

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 799

Divisors of 85643270013

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 19 21 49 57 61 133 147 183 399 427 709 931 1159 1281 2127 2793 2989 3477 4963 8113 8967 13471 14889 24339 34741 40413 43249 56791 94297 104223 129747 170373 282891 302743 502681 660079 821731 908229 1508043 1980237 2119201 2465193 3518767 5752117 6357603 9550939 10556301 17256351 24631369 28652817 30663541 40264819 66856573 73894107 91990623 120794457 200569719 214644787 467996011 582607279 643934361 1403988033 1502513509 1747821837 4078250953 4507540527 12234752859 28547756671 85643270013
• Sum of all divisors σ(n): 142318703520
• Sum of proper divisors (its aliquot sum) s(n): 56675433507
• 85643270013 is a deficient number, because the sum of its proper divisors (56675433507) is less than itself. Its deficiency is 28967836506

Bases of 85643270013

• Binary: 1001111110000101111001001011101111101₂
• Hexadecimal: 0x13F0BC977D
• Base-36: 13CDSI2L

Squares and roots of 85643270013

• 85643270013 squared (85643270013²) is 7334769698519625020169
• 85643270013 cubed (85643270013³) is 628173661773486851981844237892197
• The square root of 85643270013 is 292648.7143539161
• The cube root of 85643270013 is 4407.8933727753

Scales and comparisons

• 85,643,270,013 seconds is equal to 2,723 years, 9 weeks, 6 days, 13 hours, 13 minutes, 33 seconds.
• To count from 1 to 85,643,270,013 would take you about five thousand, four hundred forty-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 85643270013 cubic inches would be around 367.3 feet tall.

Recreational maths with 85643270013

• 85643270013 backwards is 31007234658
• The number of decimal digits it has is: 11
• The sum of 85643270013's digits is 39
• More coming soon!