31728180019347

Names of 31728180019347

• Cardinal: 31728180019347 can be written as Thirty-one trillion, seven hundred twenty-eight billion, one hundred eighty million, nineteen thousand, three hundred forty-seven.

Scientific notation

• Scientific notation: 3.1728180019347 × 10¹³

Factors of 31728180019347

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 193549

Divisors of 31728180019347

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 7 9 21 63 1129 2347 3387 7041 7903 10161 16429 21123 23709 49287 71127 147861 190063 570189 1330441 1710567 2649763 3991323 7949289 11973969 18548341 23847867 55645023 166935069 214581127 446077861 643743381 1338233583 1502067889 1931230143 3122545027 4014700749 4506203667 9367635081 13518611001 28102905243 503621905069 1510865715207 3525353335483 4532597145621 10576060006449 31728180019347
• Sum of all divisors σ(n): 52445682365440
• Sum of proper divisors (its aliquot sum) s(n): 20717502346093
• 31728180019347 is a deficient number, because the sum of its proper divisors (20717502346093) is less than itself. Its deficiency is 11010677673254

Bases of 31728180019347

• Binary: 111001101101101001010111001100100000010010011₂
• Hexadecimal: 0x1CDB4AE64093
• Base-36: B8VQ36PAR

Squares and roots of 31728180019347

• 31728180019347 squared (31728180019347²) is 1006677407340090197294306409
• 31728180019347 cubed (31728180019347³) is 31940042001495890795797991766958566094923
• The square root of 31728180019347 is 5632777.2918292269
• The cube root of 31728180019347 is 31657.8721102223

Scales and comparisons

• 31,728,180,019,347 seconds is equal to 1,008,857 years, 51 weeks, 18 hours, 42 minutes, 27 seconds.
• To count from 1 to 31,728,180,019,347 would take you about two million, five hundred twenty-two thousand, one hundred forty-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 31728180019347 cubic inches would be around 2638.2 feet tall.

Recreational maths with 31728180019347

• 31728180019347 backwards is 74391008182713
• The number of decimal digits it has is: 14
• The sum of 31728180019347's digits is 54
• More coming soon!