821809982106

Names of 821809982106

• Cardinal: 821809982106 can be written as Eight hundred twenty-one billion, eight hundred nine million, nine hundred eighty-two thousand, one hundred six.

Scientific notation

• Scientific notation: 8.21809982106 × 10¹¹

Factors of 821809982106

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 29704

Divisors of 821809982106

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 9 18 1181 1427 2362 2854 3543 4281 7086 8562 10629 12843 21258 25686 27091 54182 81273 162546 243819 487638 1685287 3370574 5055861 10111722 15167583 30335166 31994471 38658857 63988942 77317714 95983413 115976571 191966826 231953142 287950239 347929713 575900478 695859426 45656110117 91312220234 136968330351 273936660702 410904991053 821809982106
• Sum of all divisors σ(n): 1783410658848
• Sum of proper divisors (its aliquot sum) s(n): 961600676742
• 821809982106 is an abundant number, because the sum of its proper divisors (961600676742) is greater than itself. Its abundance is 139790694636

Bases of 821809982106

• Binary: 1011111101010111101100010010101010011010₂
• Hexadecimal: 0xBF57B12A9A
• Base-36: AHJ8G0II

Squares and roots of 821809982106

• 821809982106 squared (821809982106²) is 675371646689064040195236
• 821809982106 cubed (821809982106³) is 555027160880439473018734961906447016
• The square root of 821809982106 is 906537.3583620259
• The cube root of 821809982106 is 9366.7832511619

Scales and comparisons

• 821,809,982,106 seconds is equal to 26,131 years, 5 days, 14 hours, 35 minutes, 6 seconds.
• To count from 1 to 821,809,982,106 would take you about fifty-two thousand, two hundred sixty-two 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 821809982106 cubic inches would be around 780.6 feet tall.

Recreational maths with 821809982106

• 821809982106 backwards is 601289908128
• The number of decimal digits it has is: 12
• The sum of 821809982106's digits is 54
• More coming soon!