64135720842138

Names of 64135720842138

• Cardinal: 64135720842138 can be written as Sixty-four trillion, one hundred thirty-five billion, seven hundred twenty million, eight hundred forty-two thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 6.4135720842138 × 10¹³

Factors of 64135720842138

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 64128

Divisors of 64135720842138

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 9 11 18 22 33 66 79 99 158 198 237 474 711 869 1422 1738 2607 5214 7821 15642 64033 128066 192099 384198 576297 704363 1152594 1408726 2113089 4226178 5058607 6339267 10117214 12678534 15175821 30351642 45527463 55644677 91054926 111289354 166934031 333868062 500802093 1001604186 4100225089 8200450178 12300675267 24601350534 36902025801 45102475979 73804051602 90204951958 135307427937 270614855874 323917782031 405922283811 647835564062 811844567622 971753346093 1943506692186 2915260038279 3563095602341 5830520076558 7126191204682 10689286807023 21378573614046 32067860421069 64135720842138
• Sum of all divisors σ(n): 153514824765120
• Sum of proper divisors (its aliquot sum) s(n): 89379103922982
• 64135720842138 is an abundant number, because the sum of its proper divisors (89379103922982) is greater than itself. Its abundance is 25243383080844

Bases of 64135720842138

• Binary: 1110100101010011000010110110111011001110011010₂
• Hexadecimal: 0x3A54C2DBB39A
• Base-36: MQFJK95EI

Squares and roots of 64135720842138

• 64135720842138 squared (64135720842138²) is 4113390687940654647916411044
• 64135720842138 cubed (64135720842138³) is 263815276876411810276432546009922243772072
• The square root of 64135720842138 is 8008478.0602894829
• The cube root of 64135720842138 is 40028.2552118211

Scales and comparisons

• 64,135,720,842,138 seconds is equal to 2,039,317 years, 27 weeks, 6 days, 19 hours, 42 minutes, 18 seconds.
• To count from 1 to 64,135,720,842,138 would take you about five million, ninety-eight thousand, two hundred ninety-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 64135720842138 cubic inches would be around 3335.7 feet tall.

Recreational maths with 64135720842138

• 64135720842138 backwards is 83124802753146
• The number of decimal digits it has is: 14
• The sum of 64135720842138's digits is 54
• More coming soon!