82421814338721

Names of 82421814338721

• Cardinal: 82421814338721 can be written as Eighty-two trillion, four hundred twenty-one billion, eight hundred fourteen million, three hundred thirty-eight thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 8.2421814338721 × 10¹³

Factors of 82421814338721

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2371919056

Divisors of 82421814338721

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 9 11 13 27 33 39 81 99 117 143 243 297 351 429 891 1053 1287 2673 3159 3861 11583 34749 2371919029 7115757087 21347271261 26091109319 30834947377 64041813783 78273327957 92504842131 192125441349 234819983871 277514526393 339184421147 576376324047 704459951613 832543579179 1017553263441 2113379854839 2497630737537 3052659790323 6340139564517 7492892212611 9157979370969 27473938112907 82421814338721
• Sum of all divisors σ(n): 145047592522560
• Sum of proper divisors (its aliquot sum) s(n): 62625778183839
• 82421814338721 is a deficient number, because the sum of its proper divisors (62625778183839) is less than itself. Its deficiency is 19796036154882

Bases of 82421814338721

• Binary: 10010101111011001010010111101110010010010100001₂
• Hexadecimal: 0x4AF652F724A1
• Base-36: T7S246T29

Squares and roots of 82421814338721

• 82421814338721 squared (82421814338721²) is 6793355478886594634519915841
• 82421814338721 cubed (82421814338721³) is 559920684017723991223744703941775987579361
• The square root of 82421814338721 is 9078646.0630823691
• The cube root of 82421814338721 is 43519.1819816611

Scales and comparisons

• 82,421,814,338,721 seconds is equal to 2,620,758 years, 38 weeks, 6 days, 11 hours, 25 minutes, 21 seconds.
• To count from 1 to 82,421,814,338,721 would take you about six million, five hundred fifty-one thousand, eight hundred ninety-six 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 82421814338721 cubic inches would be around 3626.6 feet tall.

Recreational maths with 82421814338721

• 82421814338721 backwards is 12783341812428
• The number of decimal digits it has is: 14
• The sum of 82421814338721's digits is 54
• More coming soon!