40521605865

Names of 40521605865

• Cardinal: 40521605865 can be written as Forty billion, five hundred twenty-one million, six hundred five thousand, eight hundred sixty-five.

Scientific notation

• Scientific notation: 4.0521605865 × 10¹⁰

Factors of 40521605865

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 4658

Divisors of 40521605865

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 5 13 15 39 65 137 195 367 411 685 1101 1781 1835 2055 4133 4771 5343 5505 8905 12399 14313 20665 23855 26715 50279 53729 61995 71565 150837 161187 251395 268645 566221 653627 754185 805935 1516811 1698663 1960881 2831105 3268135 4550433 7360873 7584055 8493315 9804405 19718543 22082619 22752165 36804365 59155629 98592715 110413095 207803107 295778145 623409321 1039015535 2701440391 3117046605 8104321173 13507201955 40521605865
• Sum of all divisors σ(n): 70540194816
• Sum of proper divisors (its aliquot sum) s(n): 30018588951
• 40521605865 is a deficient number, because the sum of its proper divisors (30018588951) is less than itself. Its deficiency is 10503016914

Bases of 40521605865

• Binary: 100101101111010001101010001011101001₂
• Hexadecimal: 0x96F46A2E9
• Base-36: IM5IN6X

Squares and roots of 40521605865

• 40521605865 squared (40521605865²) is 1642000541878402398225
• 40521605865 cubed (40521605865³) is 66536498788113048736744225589625
• The square root of 40521605865 is 201299.7910207559
• The cube root of 40521605865 is 3434.7532991317

Scales and comparisons

• 40,521,605,865 seconds is equal to 1,288 years, 24 weeks, 1 hour, 37 minutes, 45 seconds.
• To count from 1 to 40,521,605,865 would take you about two thousand, five hundred seventy-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 40521605865 cubic inches would be around 286.2 feet tall.

Recreational maths with 40521605865

• 40521605865 backwards is 56850612504
• The number of decimal digits it has is: 11
• The sum of 40521605865's digits is 42
• More coming soon!