820605844444188404

Names of 820605844444188404

• Cardinal: 820605844444188404 can be written as Eight hundred twenty quadrillion, six hundred five trillion, eight hundred forty-four billion, four hundred forty-four million, one hundred eighty-eight thousand, four hundred four.

Scientific notation

• Scientific notation: 8.20605844444188404 × 10¹⁷

Factors of 820605844444188404

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 43162520747223

Divisors of 820605844444188404

• Number of divisors d(n): 36
• Complete list of divisors:
  1 2 4 7 14 28 49 97 98 194 196 388 679 1358 2716 4753 9506 19012 43162520747117 86325041494234 172650082988468 302137645229819 604275290459638 1208550580919276 2114963516608733 4186764512470349 4229927033217466 8373529024940698 8459854066434932 16747058049881396 29307351587292443 58614703174584886 117229406349169772 205151461111047101 410302922222094202 820605844444188404
• Sum of all divisors σ(n): 1687740886253808036
• Sum of proper divisors (its aliquot sum) s(n): 867135041809619632
• 820605844444188404 is an abundant number, because the sum of its proper divisors (867135041809619632) is greater than itself. Its abundance is 46529197365431228

Bases of 820605844444188404

• Binary: 101101100011011000001010101011110010101101001000111011110100₂
• Hexadecimal: 0xB6360AAF2B48EF4
• Base-36: 68G0HSNJ188K

Squares and roots of 820605844444188404

• 820605844444188404 squared (820605844444188404²) is 673393951935959536516169290248067216
• 820605844444188404 cubed (820605844444188404³) is 552591012572017294186386496804593124383512044759763264
• The square root of 820605844444188404 is 905872973.6801890065
• The cube root of 820605844444188404 is 936220.6195666857

Scales and comparisons

• 820,605,844,444,188,404 seconds is equal to 26,092,727,552 years, 41 weeks, 3 hours, 26 minutes, 44 seconds.
• To count from 1 to 820,605,844,444,188,404 would take you about seventy-eight billion, two hundred seventy-eight million, one hundred eighty-two thousand, six hundred fifty-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 820605844444188404 cubic inches would be around 78018.4 feet tall.

Recreational maths with 820605844444188404

• 820605844444188404 backwards is 404881444448506028
• The number of decimal digits it has is: 18
• The sum of 820605844444188404's digits is 74
• More coming soon!