18418848745544

Names of 18418848745544

• Cardinal: 18418848745544 can be written as Eighteen trillion, four hundred eighteen billion, eight hundred forty-eight million, seven hundred forty-five thousand, five hundred forty-four.

Scientific notation

• Scientific notation: 1.8418848745544 × 10¹³

Factors of 18418848745544

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 266946

Divisors of 18418848745544

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 8 13 26 52 67 104 134 268 536 871 1742 3484 6968 10303 20606 41212 82424 133939 256561 267878 513122 535756 690301 1026244 1071512 1380602 2052488 2761204 3335293 5522408 6670586 8973913 13341172 17189587 17947826 26682344 34379174 35895652 68758348 71791304 137516696 223464631 446929262 893858524 1787717048 2643347983 5286695966 10573391932 21146783864 34363523779 68727047558 137454095116 177104314861 274908190232 354208629722 708417259444 1416834518888 2302356093193 4604712186386 9209424372772 18418848745544
• Sum of all divisors σ(n): 37750820029440
• Sum of proper divisors (its aliquot sum) s(n): 19331971283896
• 18418848745544 is an abundant number, because the sum of its proper divisors (19331971283896) is greater than itself. Its abundance is 913122538352

Bases of 18418848745544

• Binary: 100001100000001111000111011111100100001001000₂
• Hexadecimal: 0x10C078EFC848
• Base-36: 6J1I2ZDC8

Squares and roots of 18418848745544

• 18418848745544 squared (18418848745544²) is 339253989111227782459855936
• 18418848745544 cubed (18418848745544³) is 6248667911762135676446358433332561949184
• The square root of 18418848745544 is 4291718.6237618141
• The cube root of 18418848745544 is 26409.1340187397

Scales and comparisons

• 18,418,848,745,544 seconds is equal to 585,662 years, 21 weeks, 4 days, 17 hours, 45 minutes, 44 seconds.
• To count from 1 to 18,418,848,745,544 would take you about one million, four hundred sixty-four thousand, one hundred fifty-six 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 18418848745544 cubic inches would be around 2200.8 feet tall.

Recreational maths with 18418848745544

• 18418848745544 backwards is 44554784881481
• The number of decimal digits it has is: 14
• The sum of 18418848745544's digits is 71
• More coming soon!