18331216843984

Names of 18331216843984

• Cardinal: 18331216843984 can be written as Eighteen trillion, three hundred thirty-one billion, two hundred sixteen million, eight hundred forty-three thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 1.8331216843984 × 10¹³

Factors of 18331216843984

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 85070

Divisors of 18331216843984

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 8 11 16 22 44 59 88 118 176 236 472 649 944 1298 2596 5192 10384 36109 48889 72218 97778 144436 195556 288872 391112 397199 537779 577744 782224 794398 1075558 1588796 2130431 2151116 2884451 3177592 4260862 4302232 5768902 6355184 8521724 8604464 11537804 17043448 23075608 23434741 31728961 34086896 46151216 46869482 63457922 93738964 126915844 187477928 253831688 374955856 507663376 1765332901 3530665802 7061331604 14122663208 19418661911 28245326416 38837323822 77674647644 104154641159 155349295288 208309282318 310698590576 416618564636 833237129272 1145701052749 1666474258544 2291402105498 4582804210996 9165608421992 18331216843984
• Sum of all divisors σ(n): 39404127528000
• Sum of proper divisors (its aliquot sum) s(n): 21072910684016
• 18331216843984 is an abundant number, because the sum of its proper divisors (21072910684016) is greater than itself. Its abundance is 2741693840032

Bases of 18331216843984

• Binary: 100001010110000010001101010110001010011010000₂
• Hexadecimal: 0x10AC11AB14D0
• Base-36: 6HX8T7LCG

Squares and roots of 18331216843984

• 18331216843984 squared (18331216843984²) is 336033510981162721396992256
• 18331216843984 cubed (18331216843984³) is 6159903156640972509001725050582408187904
• The square root of 18331216843984 is 4281497.0330462685
• The cube root of 18331216843984 is 26367.1849146761

Scales and comparisons

• 18,331,216,843,984 seconds is equal to 582,875 years, 51 weeks, 4 days, 14 hours, 53 minutes, 4 seconds.
• To count from 1 to 18,331,216,843,984 would take you about one million, four hundred fifty-seven thousand, one hundred eighty-nine 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 18331216843984 cubic inches would be around 2197.3 feet tall.

Recreational maths with 18331216843984

• 18331216843984 backwards is 48934861213381
• The number of decimal digits it has is: 14
• The sum of 18331216843984's digits is 61
• More coming soon!