18688737713128

Names of 18688737713128

• Cardinal: 18688737713128 can be written as Eighteen trillion, six hundred eighty-eight billion, seven hundred thirty-seven million, seven hundred thirteen thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8688737713128 × 10¹³

Factors of 18688737713128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 4523068

Divisors of 18688737713128

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 8 14 28 49 56 83 98 127 166 196 254 332 392 508 581 664 889 1016 1162 1778 2324 3556 4067 4648 6223 7112 8134 10541 12446 16268 21082 24892 32536 42164 49784 73787 84328 147574 295148 516509 590296 1033018 2066036 4132072 4522849 9045698 18091396 31659943 36182792 63319886 126639772 221619601 253279544 375396467 443239202 574401823 750792934 886478404 1148803646 1501585868 1772956808 2297607292 2627775269 3003171736 4020812761 4595214584 5255550538 8041625522 10511101076 16083251044 18394426883 21022202152 28145689327 32166502088 36788853766 47675351309 56291378654 73577707532 95350702618 112582757308 147155415064 190701405236 225165514616 333727459163 381402810472 667454918326 1334909836652 2336092214141 2669819673304 4672184428282 9344368856564 18688737713128
• Sum of all divisors σ(n): 41578379136000
• Sum of proper divisors (its aliquot sum) s(n): 22889641422872
• 18688737713128 is an abundant number, because the sum of its proper divisors (22889641422872) is greater than itself. Its abundance is 4200903709744

Bases of 18688737713128

• Binary: 100001111111101001111100100101001101111101000₂
• Hexadecimal: 0x10FF4F929BE8
• Base-36: 6MHHJWLIG

Squares and roots of 18688737713128

• 18688737713128 squared (18688737713128²) is 349268917310092787223544384
• 18688737713128 cubed (18688737713128³) is 6527395186956516009529630367554767473152
• The square root of 18688737713128 is 4323047.2716739983
• The cube root of 18688737713128 is 26537.4989295859

Scales and comparisons

• 18,688,737,713,128 seconds is equal to 594,244 years, 2 weeks, 4 days, 15 hours, 25 minutes, 28 seconds.
• To count from 1 to 18,688,737,713,128 would take you about one million, four hundred eighty-five thousand, six hundred ten 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 18688737713128 cubic inches would be around 2211.5 feet tall.

Recreational maths with 18688737713128

• 18688737713128 backwards is 82131773788681
• The number of decimal digits it has is: 14
• The sum of 18688737713128's digits is 70
• More coming soon!