421521063479058465

Names of 421521063479058465

• Cardinal: 421521063479058465 can be written as Four hundred twenty-one quadrillion, five hundred twenty-one trillion, sixty-three billion, four hundred seventy-nine million, fifty-eight thousand, four hundred sixty-five.

Scientific notation

• Scientific notation: 4.21521063479058465 × 10¹⁷

Factors of 421521063479058465

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 233716781067

Divisors of 421521063479058465

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 5 9 13 15 39 45 65 117 195 585 3083 9249 15415 27747 40079 46245 120237 138735 200395 360711 601185 1803555 233716777963 701150333889 1168583889815 2103451001667 3038318113519 3505751669445 9114954340557 10517255008335 15191590567595 27344863021671 45574771702785 136724315108355 720548826459929 2161646479379787 3602744132299645 6484939438139361 9367134743979077 10808232396898935 28101404231937231 32424697190696805 46835673719895385 84304212695811693 140507021159686155 421521063479058465
• Sum of all divisors σ(n): 787094537219145792
• Sum of proper divisors (its aliquot sum) s(n): 365573473740087327
• 421521063479058465 is a deficient number, because the sum of its proper divisors (365573473740087327) is less than itself. Its deficiency is 55947589738971138

Bases of 421521063479058465

• Binary: 10111011001100010110010110010000110000000111010000000100001₂
• Hexadecimal: 0x5D98B2C8603A021
• Base-36: 37AGQV9W3869

Squares and roots of 421521063479058465

• 421521063479058465 squared (421521063479058465²) is 177680006956516436041393602888156225
• 421521063479058465 cubed (421521063479058465³) is 74895865491277314290917829088076177932486862828694625
• The square root of 421521063479058465 is 649246535.2075885087
• The cube root of 421521063479058465 is 749790.2011575085

Scales and comparisons

• 421,521,063,479,058,465 seconds is equal to 13,403,065,968 years, 19 weeks, 4 days, 2 hours, 27 minutes, 45 seconds.
• To count from 1 to 421,521,063,479,058,465 would take you about forty billion, two hundred nine million, one hundred ninety-seven thousand, nine hundred five 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 421521063479058465 cubic inches would be around 62482.5 feet tall.

Recreational maths with 421521063479058465

• 421521063479058465 backwards is 564850974360125124
• The number of decimal digits it has is: 18
• The sum of 421521063479058465's digits is 72
• More coming soon!