18081103987104

Names of 18081103987104

• Cardinal: 18081103987104 can be written as Eighteen trillion, eighty-one billion, one hundred three million, nine hundred eighty-seven thousand, one hundred four.

Scientific notation

• Scientific notation: 1.8081103987104 × 10¹³

Factors of 18081103987104

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 39137341

Divisors of 18081103987104

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 96 4813 9626 14439 19252 28878 38504 57756 77008 115512 154016 231024 462048 39132523 78265046 117397569 156530092 234795138 313060184 469590276 626120368 939180552 1252240736 1878361104 3756722208 188344833199 376689666398 565034499597 753379332796 1130068999194 1506758665592 2260137998388 3013517331184 4520275996776 6027034662368 9040551993552 18081103987104
• Sum of all divisors σ(n): 47472760575072
• Sum of proper divisors (its aliquot sum) s(n): 29391656587968
• 18081103987104 is an abundant number, because the sum of its proper divisors (29391656587968) is greater than itself. Its abundance is 11310552600864

Bases of 18081103987104

• Binary: 100000111000111010101110001111100000110100000₂
• Hexadecimal: 0x1071D5C7C1A0
• Base-36: 6EQCEH1UO

Squares and roots of 18081103987104

• 18081103987104 squared (18081103987104²) is 326926321392468165798306816
• 18081103987104 cubed (18081103987104³) is 5911188813218599881811159097869899300864
• The square root of 18081103987104 is 4252188.1410756039
• The cube root of 18081103987104 is 26246.7165596429

Scales and comparisons

• 18,081,103,987,104 seconds is equal to 574,923 years, 9 weeks, 1 day, 21 hours, 18 minutes, 24 seconds.
• To count from 1 to 18,081,103,987,104 would take you about one million, four hundred thirty-seven thousand, three hundred seven 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 18081103987104 cubic inches would be around 2187.2 feet tall.

Recreational maths with 18081103987104

• 18081103987104 backwards is 40178930118081
• The number of decimal digits it has is: 14
• The sum of 18081103987104's digits is 51
• More coming soon!