131388972544

Names of 131388972544

• Cardinal: 131388972544 can be written as One hundred thirty-one billion, three hundred eighty-eight million, nine hundred seventy-two thousand, five hundred forty-four.

Scientific notation

• Scientific notation: 1.31388972544 × 10¹¹

Factors of 131388972544

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 5691

Divisors of 131388972544

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 8 16 32 37 64 74 128 148 256 296 512 592 1184 1801 2368 3602 3851 4736 7204 7702 9472 14408 15404 18944 28816 30808 57632 61616 66637 115264 123232 133274 142487 230528 246464 266548 284974 461056 492928 533096 569948 922112 985856 1066192 1139896 1971712 2132384 2279792 4264768 4559584 6935651 8529536 9119168 13871302 17059072 18238336 27742604 34118144 36476672 55485208 72953344 110970416 221940832 256619087 443881664 513238174 887763328 1026476348 1775526656 2052952696 3551053312 4105905392 8211810784 16423621568 32847243136 65694486272 131388972544
• Sum of all divisors σ(n): 269836251696
• Sum of proper divisors (its aliquot sum) s(n): 138447279152
• 131388972544 is an abundant number, because the sum of its proper divisors (138447279152) is greater than itself. Its abundance is 7058306608

Bases of 131388972544

• Binary: 1111010010111011001001001111000000000₂
• Hexadecimal: 0x1E97649E00
• Base-36: 1OCXLO1S

Squares and roots of 131388972544

• 131388972544 squared (131388972544²) is 17263062106167985831936
• 131388972544 cubed (131388972544³) is 2268175993092672303524020102365184
• The square root of 131388972544 is 362476.1682428239
• The cube root of 131388972544 is 5083.7748172509

Scales and comparisons

• 131,388,972,544 seconds is equal to 4,177 years, 39 weeks, 4 days, 16 hours, 49 minutes, 4 seconds.
• To count from 1 to 131,388,972,544 would take you about eight thousand, three hundred fifty-five 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 131388972544 cubic inches would be around 423.6 feet tall.

Recreational maths with 131388972544

• 131388972544 backwards is 445279883131
• The number of decimal digits it has is: 12
• The sum of 131388972544's digits is 55
• More coming soon!