72040807531

Names of 72040807531

• Cardinal: 72040807531 can be written as Seventy-two billion, forty million, eight hundred seven thousand, five hundred thirty-one.

Scientific notation

• Scientific notation: 7.2040807531 × 10¹⁰

Factors of 72040807531

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 278

Divisors of 72040807531

• Number of divisors d(n): 96
• Complete list of divisors:
  1 7 11 19 43 71 77 127 133 209 301 473 497 781 817 889 1349 1397 1463 2413 3053 3311 5461 5467 5719 8987 9017 9443 9779 14839 16129 16891 21371 26543 33583 38227 58007 60071 62909 63119 99187 103759 103873 112903 171323 177419 185801 235081 306451 387731 406049 420497 638077 693547 694309 726313 1141349 1145159 1199261 1241933 1884553 2145157 2714117 3370961 4265041 4466539 4854829 7366889 7629017 7989443 8016113 12596749 13177393 13191871 21758021 23596727 29855287 49241837 51568223 53403119 81035779 88177243 92241751 144951323 152306147 239338231 344692859 541660207 567250453 935594903 1014659261 1675367617 3791621449 6549164321 10291543933 72040807531
• Sum of all divisors σ(n): 98884177920
• Sum of proper divisors (its aliquot sum) s(n): 26843370389
• 72040807531 is a deficient number, because the sum of its proper divisors (26843370389) is less than itself. Its deficiency is 45197437142

Bases of 72040807531

• Binary: 1000011000101111101110111110001101011₂
• Hexadecimal: 0x10C5F77C6B
• Base-36: X3F8IUJ

Squares and roots of 72040807531

• 72040807531 squared (72040807531²) is 5189877949718586315961
• 72040807531 cubed (72040807531³) is 373882998485057572401556754302291
• The square root of 72040807531 is 268404.1868730813
• The cube root of 72040807531 is 4160.9534521567

Scales and comparisons

• 72,040,807,531 seconds is equal to 2,290 years, 35 weeks, 15 hours, 25 minutes, 31 seconds.
• To count from 1 to 72,040,807,531 would take you about four thousand, five hundred eighty-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 72040807531 cubic inches would be around 346.7 feet tall.

Recreational maths with 72040807531

• 72040807531 backwards is 13570804027
• The number of decimal digits it has is: 11
• The sum of 72040807531's digits is 37
• More coming soon!