42081456721968

Names of 42081456721968

• Cardinal: 42081456721968 can be written as Forty-two trillion, eighty-one billion, four hundred fifty-six million, seven hundred twenty-one thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 4.2081456721968 × 10¹³

Factors of 42081456721968

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 312112

Divisors of 42081456721968

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 432 312107 624214 936321 1248428 1872642 2496856 2808963 3745284 4993712 5617926 7490568 8426889 11235852 14981136 16853778 22471704 33707556 44943408 67415112 134830224 97410779449 194821558898 292232338347 389643117796 584464676694 779286235592 876697015041 1168929353388 1558572471184 1753394030082 2337858706776 2630091045123 3506788060164 4675717413552 5260182090246 7013576120328 10520364180492 14027152240656 21040728360984 42081456721968
• Sum of all divisors σ(n): 120789753530680
• Sum of proper divisors (its aliquot sum) s(n): 78708296808712
• 42081456721968 is an abundant number, because the sum of its proper divisors (78708296808712) is greater than itself. Its abundance is 36626840086744

Bases of 42081456721968

• Binary: 1001100100010111011010010001111001000000110000₂
• Hexadecimal: 0x2645DA479030
• Base-36: EWZYCTKC0

Squares and roots of 42081456721968

• 42081456721968 squared (42081456721968²) is 1770848999842865772053793024
• 42081456721968 cubed (42081456721968³) is 74519905548027873619141836490695785951232
• The square root of 42081456721968 is 6487022.1767747951
• The cube root of 42081456721968 is 34782.7238206377

Scales and comparisons

• 42,081,456,721,968 seconds is equal to 1,338,060 years, 8 weeks, 1 day, 5 hours, 52 minutes, 48 seconds.
• To count from 1 to 42,081,456,721,968 would take you about three million, three hundred forty-five thousand, one hundred fifty 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 42081456721968 cubic inches would be around 2898.6 feet tall.

Recreational maths with 42081456721968

• 42081456721968 backwards is 86912765418024
• The number of decimal digits it has is: 14
• The sum of 42081456721968's digits is 63
• More coming soon!