20346427985

Names of 20346427985

• Cardinal: 20346427985 can be written as Twenty billion, three hundred forty-six million, four hundred twenty-seven thousand, nine hundred eighty-five.

Scientific notation

• Scientific notation: 2.0346427985 × 10¹⁰

Factors of 20346427985

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 64

Divisors of 20346427985

• Number of divisors d(n): 80
• Complete list of divisors:
  1 5 13 17 29 65 85 145 169 221 289 377 493 845 1105 1445 1885 2197 2465 2873 3757 4901 4913 6409 8381 10985 14365 18785 24505 24565 28561 32045 37349 41905 48841 63713 63869 83317 108953 142477 142805 186745 244205 318565 319345 416585 485537 544765 634933 712385 828269 830297 1083121 1416389 1852201 2427685 3174665 4141345 4151485 5415605 7081945 8254129 9261005 10793861 14080573 18413057 24078613 41270645 53969305 70402865 92065285 120393065 140320193 239369741 313021969 701600965 1196848705 1565109845 4069285597 20346427985
• Sum of all divisors σ(n): 29072163600
• Sum of proper divisors (its aliquot sum) s(n): 8725735615
• 20346427985 is a deficient number, because the sum of its proper divisors (8725735615) is less than itself. Its deficiency is 11620692370

Bases of 20346427985

• Binary: 10010111100101111011101101001010001₂
• Hexadecimal: 0x4BCBDDA51
• Base-36: 9CHQKB5

Squares and roots of 20346427985

• 20346427985 squared (20346427985²) is 413977131748791160225
• 20346427985 cubed (20346427985³) is 8422955898563636452322558896625
• The square root of 20346427985 is 142640.9057213251
• The cube root of 20346427985 is 2730.0004913075

Scales and comparisons

• 20,346,427,985 seconds is equal to 646 years, 49 weeks, 4 days, 1 hour, 33 minutes, 5 seconds.
• To count from 1 to 20,346,427,985 would take you about one thousand, two hundred ninety-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 20346427985 cubic inches would be around 227.5 feet tall.

Recreational maths with 20346427985

• 20346427985 backwards is 58972464302
• The number of decimal digits it has is: 11
• The sum of 20346427985's digits is 50
• More coming soon!