31972719961

Names of 31972719961

• Cardinal: 31972719961 can be written as Thirty-one billion, nine hundred seventy-two million, seven hundred nineteen thousand, nine hundred sixty-one.

Scientific notation

• Scientific notation: 3.1972719961 × 10¹⁰

Factors of 31972719961

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 657

Divisors of 31972719961

• Number of divisors d(n): 96
• Complete list of divisors:
  1 7 13 17 43 49 91 119 221 289 301 343 559 577 637 731 833 1547 2023 2107 3757 3913 4039 4459 5117 5831 7501 9503 9809 10829 12427 14161 14749 24811 26299 27391 28273 35819 52507 66521 68663 75803 86989 99127 127517 161551 166753 173677 184093 191737 197911 250733 322543 367549 421787 465647 480641 608923 892619 1130857 1167271 1215739 1288651 2167789 2257801 2572843 2952509 3259529 3364487 4262461 5483231 6248333 7170379 7915999 8170897 8510173 15174523 15804607 20667563 38382617 43738331 50192653 55411993 57196279 93214927 106221661 110632249 144672941 268678319 351348571 652504489 743551627 1880748233 2459439997 4567531423 31972719961
• Sum of all divisors σ(n): 43722694400
• Sum of proper divisors (its aliquot sum) s(n): 11749974439
• 31972719961 is a deficient number, because the sum of its proper divisors (11749974439) is less than itself. Its deficiency is 20222745522

Bases of 31972719961

• Binary: 11101110001101110001111110101011001₂
• Hexadecimal: 0x771B8FD59
• Base-36: EORQCM1

Squares and roots of 31972719961

• 31972719961 squared (31972719961²) is 1022254821704527841521
• 31972719961 cubed (31972719961³) is 32684267143140853362678721300681
• The square root of 31972719961 is 178809.1719152013
• The cube root of 31972719961 is 3173.8996732257

Scales and comparisons

• 31,972,719,961 seconds is equal to 1,016 years, 32 weeks, 6 days, 15 hours, 6 minutes, 1 second.
• To count from 1 to 31,972,719,961 would take you about two thousand and thirty-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 31972719961 cubic inches would be around 264.5 feet tall.

Recreational maths with 31972719961

• 31972719961 backwards is 16991727913
• The number of decimal digits it has is: 11
• The sum of 31972719961's digits is 55
• More coming soon!