31989077472

Names of 31989077472

• Cardinal: 31989077472 can be written as Thirty-one billion, nine hundred eighty-nine million, seventy-seven thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 3.1989077472 × 10¹⁰

Factors of 31989077472

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 218088

Divisors of 31989077472

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 66 88 96 132 139 176 264 278 352 417 528 556 834 1056 1112 1529 1668 2224 3058 3336 4448 4587 6116 6672 9174 12232 13344 18348 24464 36696 48928 73392 146784 217933 435866 653799 871732 1307598 1743464 2397263 2615196 3486928 4794526 5230392 6973856 7191789 9589052 10460784 14383578 19178104 20921568 28767156 30292687 38356208 57534312 60585374 76712416 90878061 115068624 121170748 181756122 230137248 242341496 333219557 363512244 484682992 666439114 727024488 969365984 999658671 1332878228 1454048976 1999317342 2665756456 2908097952 3998634684 5331512912 7997269368 10663025824 15994538736 31989077472
• Sum of all divisors σ(n): 92264538240
• Sum of proper divisors (its aliquot sum) s(n): 60275460768
• 31989077472 is an abundant number, because the sum of its proper divisors (60275460768) is greater than itself. Its abundance is 28286383296

Bases of 31989077472

• Binary: 11101110010101100101001010111100000₂
• Hexadecimal: 0x772B295E0
• Base-36: EP1GY5C

Squares and roots of 31989077472

• 31989077472 squared (31989077472²) is 1023301077509617910784
• 31989077472 cubed (31989077472³) is 32734457445636244173188160258048
• The square root of 31989077472 is 178854.9062005289
• The cube root of 31989077472 is 3174.4408454881

Scales and comparisons

• 31,989,077,472 seconds is equal to 1,017 years, 7 weeks, 6 days, 22 hours, 51 minutes, 12 seconds.
• To count from 1 to 31,989,077,472 would take you about two thousand and thirty-four 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 31989077472 cubic inches would be around 264.5 feet tall.

Recreational maths with 31989077472

• 31989077472 backwards is 27477098913
• The number of decimal digits it has is: 11
• The sum of 31989077472's digits is 57
• More coming soon!