31993330215

Names of 31993330215

• Cardinal: 31993330215 can be written as Thirty-one billion, nine hundred ninety-three million, three hundred thirty thousand, two hundred fifteen.

Scientific notation

• Scientific notation: 3.1993330215 × 10¹⁰

Factors of 31993330215

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1457932

Divisors of 31993330215

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 5 7 11 15 19 21 33 35 55 57 77 95 105 133 165 209 231 285 385 399 627 665 1045 1155 1463 1995 3135 4389 7315 21945 1457887 4373661 7289435 10205209 16036757 21868305 27699853 30615627 48110271 51026045 80183785 83099559 112257299 138499265 153078135 193898971 240551355 304698383 336771897 415497795 561286495 581696913 914095149 969494855 1523491915 1683859485 2132888681 2908484565 4570475745 6398666043 10664443405 31993330215
• Sum of all divisors σ(n): 67179479040
• Sum of proper divisors (its aliquot sum) s(n): 35186148825
• 31993330215 is an abundant number, because the sum of its proper divisors (35186148825) is greater than itself. Its abundance is 3192818610

Bases of 31993330215

• Binary: 11101110010111100110111101000100111₂
• Hexadecimal: 0x772F37A27
• Base-36: EP403L3

Squares and roots of 31993330215

• 31993330215 squared (31993330215²) is 1023573178246031946225
• 31993330215 cubed (31993330215³) is 32747514690842354569015547688375
• The square root of 31993330215 is 178866.7946126391
• The cube root of 31993330215 is 3174.5815131155

Scales and comparisons

• 31,993,330,215 seconds is equal to 1,017 years, 15 weeks, 4 hours, 10 minutes, 15 seconds.
• To count from 1 to 31,993,330,215 would take you about two thousand and thirty-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 31993330215 cubic inches would be around 264.5 feet tall.

Recreational maths with 31993330215

• 31993330215 backwards is 51203339913
• The number of decimal digits it has is: 11
• The sum of 31993330215's digits is 39
• More coming soon!