840454813551025309

Names of 840454813551025309

• Cardinal: 840454813551025309 can be written as Eight hundred forty quadrillion, four hundred fifty-four trillion, eight hundred thirteen billion, five hundred fifty-one million, twenty-five thousand, three hundred nine.

Scientific notation

• Scientific notation: 8.40454813551025309 × 10¹⁷

Factors of 840454813551025309

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 171

Divisors of 840454813551025309

• Number of divisors d(n): 96
• Complete list of divisors:
  1 7 13 49 91 151 343 637 1057 1963 2401 4459 7399 13741 16807 22801 31213 51793 96187 117649 159607 218491 296413 362551 673309 823543 1117249 1529437 2074891 2537857 3442951 4713163 7820743 10706059 14524237 17764999 24100657 32992141 44758363 54745201 101669659 124354993 168704599 230944987 313308541 383216407 519885601 711687613 1180932193 1616614909 2193159787 2682514849 3639199207 4981813291 6758512813 8266525351 15352118509 18777603943 25474394449 34872693037 47309589691 57865677457 78502725751 107464829563 178320761143 244108851259 331167127837 405059742199 549519080257 752253806941 1020535434763 1248245328001 2318169894859 2835418195393 3846633561799 5265776648587 7143748043341 8737717296007 16227189264013 26926434932593 36860436540109 50006236303387 61164021072049 113590324848091 188485044528151 350043654123709 428148147504343 795132273936637 1319395311697057 2450305578865963 5565925917556459 9235767181879399 17152139052061741 64650370273155793 120064973364432187 840454813551025309
• Sum of all divisors σ(n): 1062995570385907200
• Sum of proper divisors (its aliquot sum) s(n): 222540756834881891
• 840454813551025309 is a deficient number, because the sum of its proper divisors (222540756834881891) is less than itself. Its deficiency is 617914056716143418

Bases of 840454813551025309

• Binary: 101110101001111001010011001100110011011110011101110010011101₂
• Hexadecimal: 0xBA9E5333379DC9D
• Base-36: 6DVGD76G1S4D

Squares and roots of 840454813551025309

• 840454813551025309 squared (840454813551025309²) is 706364293621088715371353325158545481
• 840454813551025309 cubed (840454813551025309³) is 593667270694413812292968122756966553329515050658578629
• The square root of 840454813551025309 is 916763226.5481776561
• The cube root of 840454813551025309 is 943709.0566993535

Scales and comparisons

• 840,454,813,551,025,309 seconds is equal to 26,723,863,373 years, 25 weeks, 4 days, 16 hours, 21 minutes, 49 seconds.
• To count from 1 to 840,454,813,551,025,309 would take you about eighty billion, one hundred seventy-one million, five hundred ninety thousand, one hundred twenty 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 840454813551025309 cubic inches would be around 78642.4 feet tall.

Recreational maths with 840454813551025309

• 840454813551025309 backwards is 903520155318454048
• The number of decimal digits it has is: 18
• The sum of 840454813551025309's digits is 67
• More coming soon!