642750625629

Names of 642750625629

• Cardinal: 642750625629 can be written as Six hundred forty-two billion, seven hundred fifty million, six hundred twenty-five thousand, six hundred twenty-nine.

Scientific notation

• Scientific notation: 6.42750625629 × 10¹¹

Factors of 642750625629

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2174

Divisors of 642750625629

• Number of divisors d(n): 84
• Complete list of divisors:
  1 3 7 9 21 27 63 81 189 243 257 567 729 771 1701 1799 1907 2313 5103 5397 5721 6939 13349 16191 17163 20817 40047 48573 51489 62451 66049 120141 145719 154467 187353 198147 360423 437157 462343 463401 490099 594441 1081269 1311471 1387029 1390203 1470297 1783323 3243807 3430693 4161087 4410891 5349969 9731421 10292079 12483261 13232673 16049907 30876237 37449783 39698019 48149721 92628711 112349349 119094057 125955443 277886133 337048047 357282171 377866329 833658399 881688101 1133598987 2500975197 2645064303 3400796961 7935192909 10202390883 23805578727 30607172649 71416736181 91821517947 214250208543 642750625629
• Sum of all divisors σ(n): 1106236282464
• Sum of proper divisors (its aliquot sum) s(n): 463485656835
• 642750625629 is a deficient number, because the sum of its proper divisors (463485656835) is less than itself. Its deficiency is 179264968794

Bases of 642750625629

• Binary: 1001010110100110111011000011011101011101₂
• Hexadecimal: 0x95A6EC375D
• Base-36: 879X4KT9

Squares and roots of 642750625629

• 642750625629 squared (642750625629²) is 413128366746470911645641
• 642750625629 cubed (642750625629³) is 265538516191381137688085734700733189
• The square root of 642750625629 is 801717.2978232415
• The cube root of 642750625629 is 8630.0670387401

Scales and comparisons

• 642,750,625,629 seconds is equal to 20,437 years, 25 weeks, 8 hours, 27 minutes, 9 seconds.
• To count from 1 to 642,750,625,629 would take you about forty thousand, eight hundred seventy-four 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 642750625629 cubic inches would be around 719.2 feet tall.

Recreational maths with 642750625629

• 642750625629 backwards is 926526057246
• The number of decimal digits it has is: 12
• The sum of 642750625629's digits is 54
• More coming soon!