642442639067892

Names of 642442639067892

• Cardinal: 642442639067892 can be written as Six hundred forty-two trillion, four hundred forty-two billion, six hundred thirty-nine million, sixty-seven thousand, eight hundred ninety-two.

Scientific notation

• Scientific notation: 6.42442639067892 × 10¹⁴

Factors of 642442639067892

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1372740681787

Divisors of 642442639067892

• Number of divisors d(n): 36
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 1372740681769 2745481363538 4118222045307 5490962727076 8236444090614 12354666135921 16472888181228 17845628862997 24709332271842 35691257725994 49418664543684 53536886588991 71382515451988 107073773177982 160610659766973 214147546355964 321221319533946 642442639067892
• Sum of all divisors σ(n): 1748871628574980
• Sum of proper divisors (its aliquot sum) s(n): 1106428989507088
• 642442639067892 is an abundant number, because the sum of its proper divisors (1106428989507088) is greater than itself. Its abundance is 463986350439196

Bases of 642442639067892

• Binary: 10010010000100110001010101010010100100101011110100₂
• Hexadecimal: 0x2484C554A4AF4
• Base-36: 6BQ62NX910

Squares and roots of 642442639067892

• 642442639067892 squared (642442639067892²) is 412732544492517752298585323664
• 642442639067892 cubed (642442639067892³) is 265156985112979258451737486540424864090196288
• The square root of 642442639067892 is 25346452.1988362703
• The cube root of 642442639067892 is 86286.8839658781

Scales and comparisons

• 642,442,639,067,892 seconds is equal to 20,427,688 years, 37 weeks, 1 day, 21 hours, 58 minutes, 12 seconds.
• To count from 1 to 642,442,639,067,892 would take you about fifty-one million, sixty-nine thousand, two hundred twenty-one 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 642442639067892 cubic inches would be around 7190.6 feet tall.

Recreational maths with 642442639067892

• 642442639067892 backwards is 298760936244246
• The number of decimal digits it has is: 15
• The sum of 642442639067892's digits is 72
• More coming soon!