18190129921605

Names of 18190129921605

• Cardinal: 18190129921605 can be written as Eighteen trillion, one hundred ninety billion, one hundred twenty-nine million, nine hundred twenty-one thousand, six hundred five.

Scientific notation

• Scientific notation: 1.8190129921605 × 10¹³

Factors of 18190129921605

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1772

Divisors of 18190129921605

• Number of divisors d(n): 126
• Complete list of divisors:
  1 3 5 9 15 27 41 45 81 123 135 205 243 369 405 615 729 1107 1215 1681 1723 1845 3321 3645 5043 5169 5535 8405 8615 9963 15129 15507 16605 25215 25845 29889 45387 46521 49815 70643 75645 77535 136161 139563 149445 211929 226935 232605 353215 408483 418689 635787 680805 697815 1059645 1225449 1256067 1907361 2042415 2093445 2896363 2968729 3178935 5722083 6127245 6280335 8689089 8906187 9536805 14481815 14843645 17166249 26067267 26718561 28610415 43445445 44530935 51498747 78201801 80155683 85831245 121717889 130336335 133592805 234605403 240467049 257493735 365153667 391009005 400778415 608589445 703816209 721401147 1095461001 1173027015 1202335245 1825768335 2111448627 2164203441 3286383003 3519081045 3607005735 4990433449 5477305005 9859149009 10557243135 10821017205 14971300347 16431915015 24952167245 29577447027 44913901041 49295745045 74856501735 88732341081 134741703123 147887235135 224569505205 404225109369 443661705405 673708515615 1212675328107 2021125546845 3638025984321 6063376640535 18190129921605
• Sum of all divisors σ(n): 33564437623602
• Sum of proper divisors (its aliquot sum) s(n): 15374307701997
• 18190129921605 is a deficient number, because the sum of its proper divisors (15374307701997) is less than itself. Its deficiency is 2815822219608

Bases of 18190129921605

• Binary: 100001000101100111000001110110111111001000101₂
• Hexadecimal: 0x108B383B7E45
• Base-36: 6G4FHP7B9

Squares and roots of 18190129921605

• 18190129921605 squared (18190129921605²) is 330880826564869523445776025
• 18190129921605 cubed (18190129921605³) is 6018765223783027665963767555101638520125
• The square root of 18190129921605 is 4264988.8536319763
• The cube root of 18190129921605 is 26299.3652695175

Scales and comparisons

• 18,190,129,921,605 seconds is equal to 578,389 years, 45 weeks, 3 hours, 6 minutes, 45 seconds.
• To count from 1 to 18,190,129,921,605 would take you about one million, four hundred forty-five thousand, nine hundred seventy-four 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 18190129921605 cubic inches would be around 2191.6 feet tall.

Recreational maths with 18190129921605

• 18190129921605 backwards is 50612992109181
• The number of decimal digits it has is: 14
• The sum of 18190129921605's digits is 54
• More coming soon!