231721129164

Names of 231721129164

• Cardinal: 231721129164 can be written as Two hundred thirty-one billion, seven hundred twenty-one million, one hundred twenty-nine thousand, one hundred sixty-four.

Scientific notation

• Scientific notation: 2.31721129164 × 10¹¹

Factors of 231721129164

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 486746

Divisors of 231721129164

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 196 294 588 811 1622 2433 3244 4866 5677 9732 11354 17031 22708 34062 39739 68124 79478 119217 158956 238434 476868 485923 971846 1457769 1943692 2915538 3401461 5831076 6802922 10204383 13605844 20408766 23810227 40817532 47620454 71430681 95240908 142861362 285722724 394083553 788167106 1182250659 1576334212 2364501318 2758584871 4729002636 5517169742 8275754613 11034339484 16551509226 19310094097 33103018452 38620188194 57930282291 77240376388 115860564582 231721129164
• Sum of all divisors σ(n): 629734179648
• Sum of proper divisors (its aliquot sum) s(n): 398013050484
• 231721129164 is an abundant number, because the sum of its proper divisors (398013050484) is greater than itself. Its abundance is 166291921320

Bases of 231721129164

• Binary: 11010111110011101001111101010011001100₂
• Hexadecimal: 0x35F3A7D4CC
• Base-36: 2YG8RZKC

Squares and roots of 231721129164

• 231721129164 squared (231721129164²) is 53694681701039171338896
• 231721129164 cubed (231721129164³) is 12442192273866365054843846833162944
• The square root of 231721129164 is 481374.2090764731
• The cube root of 231721129164 is 6142.1706540083

Scales and comparisons

• 231,721,129,164 seconds is equal to 7,368 years, 5 days, 12 hours, 19 minutes, 24 seconds.
• To count from 1 to 231,721,129,164 would take you about fourteen thousand, seven hundred thirty-six 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 231721129164 cubic inches would be around 511.8 feet tall.

Recreational maths with 231721129164

• 231721129164 backwards is 461921127132
• The number of decimal digits it has is: 12
• The sum of 231721129164's digits is 39
• More coming soon!