18405115319315122

Names of 18405115319315122

• Cardinal: 18405115319315122 can be written as Eighteen quadrillion, four hundred five trillion, one hundred fifteen billion, three hundred nineteen million, three hundred fifteen thousand, one hundred twenty-two.

Scientific notation

• Scientific notation: 1.8405115319315122 × 10¹⁶

Factors of 18405115319315122

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 89030

Divisors of 18405115319315122

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 23 31 46 62 71 142 529 713 1058 1426 1633 2201 3266 4402 16399 32798 37559 50623 75118 88903 101246 177806 1164329 2044769 2328658 2755993 4089538 5511986 6312113 12624226 47029687 63387839 94059374 126775678 145178599 195675503 290357198 391351006 1457920297 2915840594 3339107777 4500536569 6678215554 7903743409 9001073138 15807486818 103512341087 181786098407 207024682174 245016045679 363572196814 490032091358 561165782039 1122331564078 4181080263361 5635369050617 8362160526722 11270738101234 12906812986897 17396139243209 25813625973794 34792278486418 129613488164191 259226976328382 296856698698631 400111202593807 593713397397262 800222405187614 9202557659657561 18405115319315122
• Sum of all divisors σ(n): 30211102787943168
• Sum of proper divisors (its aliquot sum) s(n): 11805987468628046
• 18405115319315122 is a deficient number, because the sum of its proper divisors (11805987468628046) is less than itself. Its deficiency is 6599127850687076

Bases of 18405115319315122

• Binary: 1000001011000110101101011011000101010000110101010110010₂
• Hexadecimal: 0x41635AD8A86AB2
• Base-36: 5182H934HWY

Squares and roots of 18405115319315122

• 18405115319315122 squared (18405115319315122²) is 338748269917288185260207137874884
• 18405115319315122 cubed (18405115319315122³) is 6234700972046174673783224081929739607449405195848
• The square root of 18405115319315122 is 135665453.6693668451
• The cube root of 18405115319315122 is 264025.6867765165

Scales and comparisons

• 18,405,115,319,315,122 seconds is equal to 585,225,736 years, 20 weeks, 3 days, 15 hours, 5 minutes, 22 seconds.
• To count from 1 to 18,405,115,319,315,122 would take you about one billion, seven hundred fifty-five million, six hundred seventy-seven thousand, two hundred nine 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 18405115319315122 cubic inches would be around 22002.1 feet tall.

Recreational maths with 18405115319315122

• 18405115319315122 backwards is 22151391351150481
• The number of decimal digits it has is: 17
• The sum of 18405115319315122's digits is 52
• More coming soon!