401989131817

Names of 401989131817

• Cardinal: 401989131817 can be written as Four hundred one billion, nine hundred eighty-nine million, one hundred thirty-one thousand, eight hundred seventeen.

Scientific notation

• Scientific notation: 4.01989131817 × 10¹¹

Factors of 401989131817

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 20039

Divisors of 401989131817

• Number of divisors d(n): 48
• Complete list of divisors:
  1 7 13 49 79 91 409 553 637 1027 2863 3871 5317 7189 19531 20041 32311 37219 50323 136717 226177 253903 260533 420043 957019 1542949 1583239 1777321 2940301 7988179 10800643 12441247 20058337 20582107 55917253 75604501 103846327 140408359 391420771 631066141 726924289 982858513 4417462987 5088470023 8203859833 30922240909 57427018831 401989131817
• Sum of all divisors σ(n): 511238380800
• Sum of proper divisors (its aliquot sum) s(n): 109249248983
• 401989131817 is a deficient number, because the sum of its proper divisors (109249248983) is less than itself. Its deficiency is 292739882834

Bases of 401989131817

• Binary: 101110110011000011010110101111000101001₂
• Hexadecimal: 0x5D986B5E29
• Base-36: 54O5Y78P

Squares and roots of 401989131817

• 401989131817 squared (401989131817²) is 161595262098985401721489
• 401989131817 cubed (401989131817³) is 64959539116911706754578340342515513
• The square root of 401989131817 is 634026.1286548057
• The cube root of 401989131817 is 7380.2561817993

Scales and comparisons

• 401,989,131,817 seconds is equal to 12,782 years, 3 days, 23 hours, 43 minutes, 37 seconds.
• To count from 1 to 401,989,131,817 would take you about twenty-five thousand, five hundred sixty-four 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 401989131817 cubic inches would be around 615 feet tall.

Recreational maths with 401989131817

• 401989131817 backwards is 718131989104
• The number of decimal digits it has is: 12
• The sum of 401989131817's digits is 52
• More coming soon!