40904191086561

Names of 40904191086561

• Cardinal: 40904191086561 can be written as Forty trillion, nine hundred four billion, one hundred ninety-one million, eighty-six thousand, five hundred sixty-one.

Scientific notation

• Scientific notation: 4.0904191086561 × 10¹³

Factors of 40904191086561

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5750877

Divisors of 40904191086561

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 9 11 27 33 43 99 129 297 387 473 557 1161 1419 1671 4257 5013 6127 12771 15039 18381 23951 55143 71853 165429 215559 263461 646677 790383 2371149 5750263 7113447 17250789 51752367 63252893 155257101 189758679 247261309 569276037 741783927 1707828111 2225351781 2719874399 3202896491 6676055343 8159623197 9608689473 24478869591 28826068419 35231861401 73436608773 86478205257 105695584203 137724549113 317086752609 413173647339 951260257827 1239520942017 1514970040243 3718562826051 4544910120729 13634730362187 40904191086561
• Sum of all divisors σ(n): 67766631229440
• Sum of proper divisors (its aliquot sum) s(n): 26862440142879
• 40904191086561 is a deficient number, because the sum of its proper divisors (26862440142879) is less than itself. Its deficiency is 14041750943682

Bases of 40904191086561

• Binary: 1001010011001110111111110001111000111111100001₂
• Hexadecimal: 0x2533BFC78FE1
• Base-36: EHZ4J9AE9

Squares and roots of 40904191086561

• 40904191086561 squared (40904191086561²) is 1673152848445896361794806721
• 40904191086561 cubed (40904191086561³) is 68438963829854781663385111897187975576481
• The square root of 40904191086561 is 6395638.4424513085
• The cube root of 40904191086561 is 34455.2921096669

Scales and comparisons

• 40,904,191,086,561 seconds is equal to 1,300,626 years, 39 weeks, 13 hours, 49 minutes, 21 seconds.
• To count from 1 to 40,904,191,086,561 would take you about three million, two hundred fifty-one thousand, five hundred sixty-six 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 40904191086561 cubic inches would be around 2871.3 feet tall.

Recreational maths with 40904191086561

• 40904191086561 backwards is 16568019140904
• The number of decimal digits it has is: 14
• The sum of 40904191086561's digits is 54
• More coming soon!