639424379132

Names of 639424379132

• Cardinal: 639424379132 can be written as Six hundred thirty-nine billion, four hundred twenty-four million, three hundred seventy-nine thousand, one hundred thirty-two.

Scientific notation

• Scientific notation: 6.39424379132 × 10¹¹

Factors of 639424379132

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 728520

Divisors of 639424379132

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 7 11 14 22 28 44 77 154 308 2861 5722 11444 20027 31471 40054 62942 80108 125884 220297 440594 725639 881188 1451278 2902556 5079473 7982029 10158946 15964058 20317892 31928116 55874203 111748406 223496812 2076053179 4152106358 8304212716 14532372253 22836584969 29064744506 45673169938 58129489012 91346339876 159856094783 319712189566 639424379132
• Sum of all divisors σ(n): 1395597288960
• Sum of proper divisors (its aliquot sum) s(n): 756172909828
• 639424379132 is an abundant number, because the sum of its proper divisors (756172909828) is greater than itself. Its abundance is 116748530696

Bases of 639424379132

• Binary: 1001010011100000101010011011100011111100₂
• Hexadecimal: 0x94E0A9B8FC
• Base-36: 85QWRKL8

Squares and roots of 639424379132

• 639424379132 squared (639424379132²) is 408863536628343677073424
• 639424379132 cubed (639424379132³) is 261437313058292396346192043977387968
• The square root of 639424379132 is 799640.1560276973
• The cube root of 639424379132 is 8615.1543652347

Scales and comparisons

• 639,424,379,132 seconds is equal to 20,331 years, 37 weeks, 2 days, 3 hours, 5 minutes, 32 seconds.
• To count from 1 to 639,424,379,132 would take you about forty thousand, six hundred sixty-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 639424379132 cubic inches would be around 717.9 feet tall.

Recreational maths with 639424379132

• 639424379132 backwards is 231973424936
• The number of decimal digits it has is: 12
• The sum of 639424379132's digits is 53
• More coming soon!