18080681019436

Names of 18080681019436

• Cardinal: 18080681019436 can be written as Eighteen trillion, eighty billion, six hundred eighty-one million, nineteen thousand, four hundred thirty-six.

Scientific notation

• Scientific notation: 1.8080681019436 × 10¹³

Factors of 18080681019436

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 524688

Divisors of 18080681019436

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 7 14 28 61 122 244 331 427 662 854 1324 1708 2317 3721 4634 7442 9268 14884 20191 26047 40382 52094 80764 104188 141337 282674 524287 565348 1048574 1231651 2097148 2463302 3670009 4926604 7340018 8621557 14680036 17243114 31981507 34486228 63963014 127926028 173538997 223870549 347077994 447741098 694155988 895482196 1214772979 1950871927 2429545958 3901743854 4859091916 7803487708 10585878817 13656103489 21171757634 27312206978 42343515268 54624413956 74101151719 148202303438 296404606876 645738607837 1291477215674 2582954431348 4520170254859 9040340509718 18080681019436
• Sum of all divisors σ(n): 36875028922368
• Sum of proper divisors (its aliquot sum) s(n): 18794347902932
• 18080681019436 is an abundant number, because the sum of its proper divisors (18794347902932) is greater than itself. Its abundance is 713666883496

Bases of 18080681019436

• Binary: 100000111000110111100100100011100100000101100₂
• Hexadecimal: 0x1071BC91C82C
• Base-36: 6EQ5ENDWS

Squares and roots of 18080681019436

• 18080681019436 squared (18080681019436²) is 326911026126593232209758096
• 18080681019436 cubed (18080681019436³) is 5910773985131440552140027282172234353856
• The square root of 18080681019436 is 4252138.4054891723
• The cube root of 18080681019436 is 26246.5118966411

Scales and comparisons

• 18,080,681,019,436 seconds is equal to 574,909 years, 37 weeks, 6 days, 10 hours, 17 minutes, 16 seconds.
• To count from 1 to 18,080,681,019,436 would take you about one million, four hundred thirty-seven thousand, two 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 18080681019436 cubic inches would be around 2187.2 feet tall.

Recreational maths with 18080681019436

• 18080681019436 backwards is 63491018608081
• The number of decimal digits it has is: 14
• The sum of 18080681019436's digits is 55
• More coming soon!