31969938819

Names of 31969938819

• Cardinal: 31969938819 can be written as Thirty-one billion, nine hundred sixty-nine million, nine hundred thirty-eight thousand, eight hundred nineteen.

Scientific notation

• Scientific notation: 3.1969938819 × 10¹⁰

Factors of 31969938819

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5114

Divisors of 31969938819

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 13 21 31 39 49 91 93 109 147 217 273 327 403 637 651 763 1209 1417 1519 1911 2289 2821 3379 4251 4557 4951 5341 8463 9919 10137 14853 16023 19747 23653 29757 34657 43927 59241 64363 69433 70959 103971 131781 153481 165571 193089 208299 242599 307489 450541 460443 496713 539659 727797 922467 1074367 1351623 1618977 1995253 2152423 3153787 3223101 3777613 5985759 6457269 7015567 7520569 9461361 11332839 13966771 16729429 21046701 22561707 26443291 41900313 49108969 50188287 79329873 97767397 117106003 147326907 217482577 293302191 343762783 351318009 652447731 819742021 1031288349 1522378039 2459226063 4567134117 10656646273 31969938819
• Sum of all divisors σ(n): 55639879680
• Sum of proper divisors (its aliquot sum) s(n): 23669940861
• 31969938819 is a deficient number, because the sum of its proper divisors (23669940861) is less than itself. Its deficiency is 8299997958

Bases of 31969938819

• Binary: 11101110001100011101000110110000011₂
• Hexadecimal: 0x7718E8D83
• Base-36: EOQ2QO3

Squares and roots of 31969938819

• 31969938819 squared (31969938819²) is 1022076988090603114761
• 31969938819 cubed (31969938819³) is 32675738777564373207720005807259
• The square root of 31969938819 is 178801.3949022769
• The cube root of 31969938819 is 3173.8076435033

Scales and comparisons

• 31,969,938,819 seconds is equal to 1,016 years, 28 weeks, 2 days, 10 hours, 33 minutes, 39 seconds.
• To count from 1 to 31,969,938,819 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 31969938819 cubic inches would be around 264.5 feet tall.

Recreational maths with 31969938819

• 31969938819 backwards is 91883996913
• The number of decimal digits it has is: 11
• The sum of 31969938819's digits is 66
• More coming soon!