131291639936

Names of 131291639936

• Cardinal: 131291639936 can be written as One hundred thirty-one billion, two hundred ninety-one million, six hundred thirty-nine thousand, nine hundred thirty-six.

Scientific notation

• Scientific notation: 1.31291639936 × 10¹¹

Factors of 131291639936

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 23853904

Divisors of 131291639936

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 4 8 16 32 43 64 86 128 172 344 688 1376 2752 5504 23853859 47707718 95415436 190830872 381661744 763323488 1025715937 1526646976 2051431874 3053293952 4102863748 8205727496 16411454992 32822909984 65645819968 131291639936
• Sum of all divisors σ(n): 267640309200
• Sum of proper divisors (its aliquot sum) s(n): 136348669264
• 131291639936 is an abundant number, because the sum of its proper divisors (136348669264) is greater than itself. Its abundance is 5057029328

Bases of 131291639936

• Binary: 1111010010001100101110111000010000000₂
• Hexadecimal: 0x1E91977080
• Base-36: 1OBBNHQ8

Squares and roots of 131291639936

• 131291639936 squared (131291639936²) is 17237494717084270084096
• 131291639936 cubed (131291639936³) is 2263138949794130175650508472057856
• The square root of 131291639936 is 362341.8826688409
• The cube root of 131291639936 is 5082.5191580973

Scales and comparisons

• 131,291,639,936 seconds is equal to 4,174 years, 34 weeks, 5 days, 3 hours, 58 minutes, 56 seconds.
• To count from 1 to 131,291,639,936 would take you about eight thousand, three hundred forty-nine 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 131291639936 cubic inches would be around 423.5 feet tall.

Recreational maths with 131291639936

• 131291639936 backwards is 639936192131
• The number of decimal digits it has is: 12
• The sum of 131291639936's digits is 53
• More coming soon!