40087945864

Names of 40087945864

• Cardinal: 40087945864 can be written as Forty billion, eighty-seven million, nine hundred forty-five thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 4.0087945864 × 10¹⁰

Factors of 40087945864

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 9913

Divisors of 40087945864

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 8 23 31 46 62 92 124 184 248 529 713 961 1058 1426 1922 2116 2852 3844 4232 5704 7688 9857 16399 19714 22103 32798 39428 44206 65596 78856 88412 131192 176824 226711 305567 453422 508369 611134 906844 1016738 1222268 1813688 2033476 2444536 4066952 5214353 7028041 9472577 10428706 14056082 18945154 20857412 28112164 37890308 41714824 56224328 75780616 161644943 217869271 323289886 435738542 646579772 871477084 1293159544 1742954168 5010993233 10021986466 20043972932 40087945864
• Sum of all divisors σ(n): 81199705230
• Sum of proper divisors (its aliquot sum) s(n): 41111759366
• 40087945864 is an abundant number, because the sum of its proper divisors (41111759366) is greater than itself. Its abundance is 1023813502

Bases of 40087945864

• Binary: 100101010101011011011000001010001000₂
• Hexadecimal: 0x9556D8288
• Base-36: IEZBSZS

Squares and roots of 40087945864

• 40087945864 squared (40087945864²) is 1607043403594994706496
• 40087945864 cubed (40087945864³) is 64423068964414450775378217132544
• The square root of 40087945864 is 200219.7439415003
• The cube root of 40087945864 is 3422.4564805495

Scales and comparisons

• 40,087,945,864 seconds is equal to 1,274 years, 34 weeks, 6 days, 20 hours, 31 minutes, 4 seconds.
• To count from 1 to 40,087,945,864 would take you about two thousand, five hundred forty-nine 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 40087945864 cubic inches would be around 285.2 feet tall.

Recreational maths with 40087945864

• 40087945864 backwards is 46854978004
• The number of decimal digits it has is: 11
• The sum of 40087945864's digits is 55
• More coming soon!