42643812429729

Names of 42643812429729

• Cardinal: 42643812429729 can be written as Forty-two trillion, six hundred forty-three billion, eight hundred twelve million, four hundred twenty-nine thousand, seven hundred twenty-nine.

Scientific notation

• Scientific notation: 4.2643812429729 × 10¹³

Factors of 42643812429729

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2246

Divisors of 42643812429729

• Number of divisors d(n): 81
• Complete list of divisors:
  1 3 7 9 21 49 63 147 149 441 447 1043 1341 2087 3129 6261 7301 9387 14609 18783 21903 22201 43827 65709 66603 102263 131481 155407 199809 306789 310963 466221 920367 932889 1087849 1398663 2176741 2798667 3263547 4355569 6530223 9790641 13066707 15237187 19590669 30488983 39200121 45711561 46333487 91466949 137134683 139000461 213422881 274400847 324334409 417001383 640268643 648979781 973003227 1920805929 1946939343 2270340863 2919009681 4542858467 5840818029 6811022589 13628575401 20433067767 31800009269 40885726203 95400027807 96697987369 286200083421 290093962107 676885911583 870281886321 2030657734749 4738201381081 6091973204247 14214604143243 42643812429729
• Sum of all divisors σ(n): 72171911780787
• Sum of proper divisors (its aliquot sum) s(n): 29528099351058
• 42643812429729 is a deficient number, because the sum of its proper divisors (29528099351058) is less than itself. Its deficiency is 13115713078671

Bases of 42643812429729

• Binary: 1001101100100011001001010010101010111110100001₂
• Hexadecimal: 0x26C8C94AAFA1
• Base-36: F46AOW1I9

Squares and roots of 42643812429729

• 42643812429729 squared (42643812429729²) is 1818494738541909558563013441
• 42643812429729 cubed (42643812429729³) is 77547548534830270835240388023202294987489
• 42643812429729 is a perfect square number. Its square root is 6530223
• The cube root of 42643812429729 is 34936.9784079785

Scales and comparisons

• 42,643,812,429,729 seconds is equal to 1,355,941 years, 17 weeks, 20 hours, 42 minutes, 9 seconds.
• To count from 1 to 42,643,812,429,729 would take you about three million, three hundred eighty-nine thousand, eight hundred fifty-three 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 42643812429729 cubic inches would be around 2911.4 feet tall.

Recreational maths with 42643812429729

• 42643812429729 backwards is 92792421834624
• 42643812429729 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 42643812429729's digits is 63
• More coming soon!