20993915736

Names of 20993915736

• Cardinal: 20993915736 can be written as Twenty billion, nine hundred ninety-three million, nine hundred fifteen thousand, seven hundred thirty-six.

Scientific notation

• Scientific notation: 2.0993915736 × 10¹⁰

Factors of 20993915736

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 241

Divisors of 20993915736

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 36 37 72 74 111 148 199 222 296 333 398 444 597 666 796 888 1194 1332 1592 1791 2388 2664 3582 4776 7164 7363 14328 14726 22089 29452 39601 44178 58904 66267 79202 88356 118803 132534 158404 176712 237606 265068 316808 356409 475212 530136 712818 950424 1425636 1465237 2851272 2930474 4395711 5860948 7880599 8791422 11721896 13187133 15761198 17582844 23641797 26374266 31522396 35165688 47283594 52748532 63044792 70925391 94567188 105497064 141850782 189134376 283701564 291582163 567403128 583164326 874746489 1166328652 1749492978 2332657304 2624239467 3498985956 5248478934 6997971912 10496957868 20993915736
• Sum of all divisors σ(n): 58690164000
• Sum of proper divisors (its aliquot sum) s(n): 37696248264
• 20993915736 is an abundant number, because the sum of its proper divisors (37696248264) is greater than itself. Its abundance is 16702332528

Bases of 20993915736

• Binary: 10011100011010101011011101101011000₂
• Hexadecimal: 0x4E355BB58
• Base-36: 9N78H20

Squares and roots of 20993915736

• 20993915736 squared (20993915736²) is 440744497930268421696
• 20993915736 cubed (20993915736³) is 9252952850653681648947538208256
• The square root of 20993915736 is 144892.7732359347
• The cube root of 20993915736 is 2758.6577058347

Scales and comparisons

• 20,993,915,736 seconds is equal to 667 years, 28 weeks, 1 day, 3 hours, 15 minutes, 36 seconds.
• To count from 1 to 20,993,915,736 would take you about one thousand, three hundred thirty-five 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 20993915736 cubic inches would be around 229.9 feet tall.

Recreational maths with 20993915736

• 20993915736 backwards is 63751939902
• The number of decimal digits it has is: 11
• The sum of 20993915736's digits is 54
• More coming soon!