31628912432

Names of 31628912432

• Cardinal: 31628912432 can be written as Thirty-one billion, six hundred twenty-eight million, nine hundred twelve thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 3.1628912432 × 10¹⁰

Factors of 31628912432

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 242

Divisors of 31628912432

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 4 8 13 16 26 52 104 169 208 227 338 454 676 908 1352 1816 2704 2951 3632 5902 11804 23608 38363 47216 51529 76726 103058 153452 206116 306904 412232 613808 669877 824464 1339754 2679508 5359016 8708401 10718032 11697083 17416802 23394166 34833604 46788332 69667208 93576664 139334416 152062079 187153328 304124158 608248316 1216496632 1976807027 2432993264 3953614054 7907228108 15814456216 31628912432
• Sum of all divisors σ(n): 66651169320
• Sum of proper divisors (its aliquot sum) s(n): 35022256888
• 31628912432 is an abundant number, because the sum of its proper divisors (35022256888) is greater than itself. Its abundance is 3393344456

Bases of 31628912432

• Binary: 11101011101001110101110011100110000₂
• Hexadecimal: 0x75D3AE730
• Base-36: EJ31D0W

Squares and roots of 31628912432

• 31628912432 squared (31628912432²) is 1000388101631124154624
• 31628912432 cubed (31628912432³) is 31641187664505542252322523885568
• The square root of 31628912432 is 177845.1923218617
• The cube root of 31628912432 is 3162.4821746187

Scales and comparisons

• 31,628,912,432 seconds is equal to 1,005 years, 36 weeks, 3 days, 9 hours, 32 seconds.
• To count from 1 to 31,628,912,432 would take you about two thousand and eleven 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 31628912432 cubic inches would be around 263.5 feet tall.

Recreational maths with 31628912432

• 31628912432 backwards is 23421982613
• The number of decimal digits it has is: 11
• The sum of 31628912432's digits is 41
• More coming soon!