400645376415

Names of 400645376415

• Cardinal: 400645376415 can be written as Four hundred billion, six hundred forty-five million, three hundred seventy-six thousand, four hundred fifteen.

Scientific notation

• Scientific notation: 4.00645376415 × 10¹¹

Factors of 400645376415

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 6061

Divisors of 400645376415

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 5 9 15 27 45 81 135 243 405 729 1215 2187 3645 6053 10935 18159 30265 54477 90795 163431 272385 490293 817155 1470879 2451465 4412637 7354395 13237911 22063185 36638809 66189555 109916427 183194045 329749281 549582135 989247843 1648746405 2967743529 4946239215 8903230587 14838717645 26709691761 44516152935 80129075283 133548458805 400645376415
• Sum of all divisors σ(n): 721170903840
• Sum of proper divisors (its aliquot sum) s(n): 320525527425
• 400645376415 is a deficient number, because the sum of its proper divisors (320525527425) is less than itself. Its deficiency is 80119848990

Bases of 400645376415

• Binary: 101110101001000010100110100100110011111₂
• Hexadecimal: 0x5D4853499F
• Base-36: 541XWUXR

Squares and roots of 400645376415

• 400645376415 squared (400645376415²) is 160516717642717038252225
• 400645376415 cubed (400645376415³) is 64310280760866639273896638836273375
• The square root of 400645376415 is 632965.5412540243
• The cube root of 400645376415 is 7372.0235130931

Scales and comparisons

• 400,645,376,415 seconds is equal to 12,739 years, 14 weeks, 5 days, 6 hours, 20 minutes, 15 seconds.
• To count from 1 to 400,645,376,415 would take you about twenty-five thousand, four hundred seventy-eight 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 400645376415 cubic inches would be around 614.3 feet tall.

Recreational maths with 400645376415

• 400645376415 backwards is 514673546004
• 400645376415 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 400645376415's digits is 45
• More coming soon!