40136887791

Names of 40136887791

• Cardinal: 40136887791 can be written as Forty billion, one hundred thirty-six million, eight hundred eighty-seven thousand, seven hundred ninety-one.

Scientific notation

• Scientific notation: 4.0136887791 × 10¹⁰

Factors of 40136887791

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2936

Divisors of 40136887791

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 9 11 13 21 33 39 49 63 77 91 99 117 143 147 231 239 273 429 441 539 637 693 717 819 1001 1287 1617 1673 1911 2151 2629 2663 3003 3107 4851 5019 5733 7007 7887 7989 9009 9321 11711 15057 18403 18641 21021 21749 23661 23967 27963 29293 34177 34619 35133 55209 55923 63063 65247 87879 102531 103857 105399 128821 130487 152243 165627 167769 195741 205051 239239 242333 263637 307593 311571 380809 386463 391461 456729 615153 636457 717717 726999 1142427 1159389 1174383 1370187 1435357 1674673 1696331 1845459 1909371 2153151 2180997 2665663 3427281 4306071 4455199 5024019 5088993 5728113 7001027 7996989 8273941 12918213 13365597 15072057 15266979 18659641 21003081 23990967 24821823 31186393 40096791 49007189 55978923 57917587 63009243 74465469 91013351 93559179 147021567 167936769 173752761 273040053 280677537 343050323 405423109 441064701 521258283 637093457 819120159 1029150969 1216269327 1911280371 3087452907 3648807981 4459654199 5733841113 13378962597 40136887791
• Sum of all divisors σ(n): 79592647680
• Sum of proper divisors (its aliquot sum) s(n): 39455759889
• 40136887791 is a deficient number, because the sum of its proper divisors (39455759889) is less than itself. Its deficiency is 681127902

Bases of 40136887791

• Binary: 100101011000010110000100110111101111₂
• Hexadecimal: 0x958584DEF
• Base-36: IFSGSTR

Squares and roots of 40136887791

• 40136887791 squared (40136887791²) is 1610969761547324859681
• 40136887791 cubed (40136887791³) is 64659312553919004429241117054671
• The square root of 40136887791 is 200341.9271919885
• The cube root of 40136887791 is 3423.8486986859

Scales and comparisons

• 40,136,887,791 seconds is equal to 1,276 years, 11 weeks, 6 days, 7 hours, 29 minutes, 51 seconds.
• To count from 1 to 40,136,887,791 would take you about two thousand, five hundred fifty-two 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 40136887791 cubic inches would be around 285.3 feet tall.

Recreational maths with 40136887791

• 40136887791 backwards is 19778863104
• The number of decimal digits it has is: 11
• The sum of 40136887791's digits is 54
• More coming soon!