821139326514

Names of 821139326514

• Cardinal: 821139326514 can be written as Eight hundred twenty-one billion, one hundred thirty-nine million, three hundred twenty-six thousand, five hundred fourteen.

Scientific notation

• Scientific notation: 8.21139326514 × 10¹¹

Factors of 821139326514

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 2166440

Divisors of 821139326514

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 9 13 18 26 39 78 117 234 1621 3242 4863 9726 14589 21073 29178 42146 63219 126438 189657 379314 2164801 4329602 6494403 12988806 19483209 28142413 38966418 56284826 84427239 168854478 253281717 506563434 3509142421 7018284842 10527427263 21054854526 31582281789 45618851473 63164563578 91237702946 136856554419 273713108838 410569663257 821139326514
• Sum of all divisors σ(n): 1917174628824
• Sum of proper divisors (its aliquot sum) s(n): 1096035302310
• 821139326514 is an abundant number, because the sum of its proper divisors (1096035302310) is greater than itself. Its abundance is 274895975796

Bases of 821139326514

• Binary: 1011111100101111101101111100011000110010₂
• Hexadecimal: 0xBF2FB7C632
• Base-36: AH855JCI

Squares and roots of 821139326514

• 821139326514 squared (821139326514²) is 674269793547865503392196
• 821139326514 cubed (821139326514³) is 553669444162628102077721405843484744
• The square root of 821139326514 is 906167.3832764011
• The cube root of 821139326514 is 9364.2345698769

Scales and comparisons

• 821,139,326,514 seconds is equal to 26,109 years, 35 weeks, 6 days, 9 hours, 21 minutes, 54 seconds.
• To count from 1 to 821,139,326,514 would take you about fifty-two thousand, two hundred nineteen 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 821139326514 cubic inches would be around 780.4 feet tall.

Recreational maths with 821139326514

• 821139326514 backwards is 415623931128
• The number of decimal digits it has is: 12
• The sum of 821139326514's digits is 45
• More coming soon!