40686173913

Names of 40686173913

• Cardinal: 40686173913 can be written as Forty billion, six hundred eighty-six million, one hundred seventy-three thousand, nine hundred thirteen.

Scientific notation

• Scientific notation: 4.0686173913 × 10¹⁰

Factors of 40686173913

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2027

Divisors of 40686173913

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 7 11 21 31 33 43 71 77 93 129 213 217 231 301 341 473 497 651 781 903 1023 1333 1419 1491 1861 2201 2343 2387 3053 3311 3999 5467 5583 6603 7161 9159 9331 9933 13027 14663 15407 16401 20471 21371 24211 27993 33583 39081 43989 46221 57691 61413 64113 72633 80023 94643 100749 102641 132131 143297 169477 173073 235081 240069 283929 307923 396393 403837 429891 508431 560161 634601 662501 705243 880253 924917 1041073 1211511 1453441 1680483 1903803 1987503 2480713 2640759 2774751 3123219 4096061 4360323 4442207 5681633 6161771 7287511 7442139 10174087 12288183 13326621 17044899 17364991 18485313 21862533 27287843 28672427 30522261 39771431 45056671 52094973 62497963 81863529 86017281 119314293 135170013 176130623 187493889 191014901 315396697 437485741 528391869 573044703 946190091 1232914361 1312457223 1937436853 3698743083 5812310559 13562057971 40686173913
• Sum of all divisors σ(n): 72484651008
• Sum of proper divisors (its aliquot sum) s(n): 31798477095
• 40686173913 is a deficient number, because the sum of its proper divisors (31798477095) is less than itself. Its deficiency is 8887696818

Bases of 40686173913

• Binary: 100101111001000101011011111011011001₂
• Hexadecimal: 0x97915BED9
• Base-36: IOVHWPL

Squares and roots of 40686173913

• 40686173913 squared (40686173913²) is 1655364747678881731569
• 40686173913 cubed (40686173913³) is 67350458013512345207974916359497
• The square root of 40686173913 is 201708.1404232361
• The cube root of 40686173913 is 3439.3968067865

Scales and comparisons

• 40,686,173,913 seconds is equal to 1,293 years, 36 weeks, 18 hours, 58 minutes, 33 seconds.
• To count from 1 to 40,686,173,913 would take you about two thousand, five hundred eighty-seven 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 40686173913 cubic inches would be around 286.6 feet tall.

Recreational maths with 40686173913

• 40686173913 backwards is 31937168604
• The number of decimal digits it has is: 11
• The sum of 40686173913's digits is 48
• More coming soon!