18321664488618

Names of 18321664488618

• Cardinal: 18321664488618 can be written as Eighteen trillion, three hundred twenty-one billion, six hundred sixty-four million, four hundred eighty-eight thousand, six hundred eighteen.

Scientific notation

• Scientific notation: 1.8321664488618 × 10¹³

Factors of 18321664488618

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 172

Divisors of 18321664488618

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 6 37 47 74 83 94 111 141 166 222 249 282 498 1369 1739 2738 3071 3478 3901 4107 5217 6142 6889 7802 8214 9213 10434 11703 13778 18426 20667 23406 41334 64343 113627 128686 144337 193029 227254 254893 288674 323783 340881 386058 433011 509786 571787 647566 681762 764679 866022 971349 1143574 1529358 1715361 1942698 3430722 5340469 9431041 10680938 11979971 16021407 18862082 21156119 23959942 26873989 28293123 32042814 35939913 42312238 47458321 53747978 56586246 63468357 71879826 80621967 94916642 126936714 142374963 161243934 284749926 443258927 782776403 886517854 994337593 1329776781 1565552806 1755957877 1988675186 2230541087 2348329209 2659553562 2983012779 3511915754 4461082174 4696658418 5267873631 5966025558 6691623261 10535747262 13383246522 36790490941 64970441449 73580981882 82530020219 110371472823 129940882898 165060040438 194911324347 220742945646 247590060657 389822648694 495180121314 3053610748103 6107221496206 9160832244309 18321664488618
• Sum of all divisors σ(n): 38930787628992
• Sum of proper divisors (its aliquot sum) s(n): 20609123140374
• 18321664488618 is an abundant number, because the sum of its proper divisors (20609123140374) is greater than itself. Its abundance is 2287458651756

Bases of 18321664488618

• Binary: 100001010100111011000010011011011010010101010₂
• Hexadecimal: 0x10A9D84DB4AA
• Base-36: 6HSUTZGRU

Squares and roots of 18321664488618

• 18321664488618 squared (18321664488618²) is 335683389633485879451549924
• 18321664488618 cubed (18321664488618³) is 6150278439266757907990405432610956765032
• The square root of 18321664488618 is 4280381.3485036587
• The cube root of 18321664488618 is 26362.6041588991

Scales and comparisons

• 18,321,664,488,618 seconds is equal to 582,572 years, 13 weeks, 2 days, 22 hours, 50 minutes, 18 seconds.
• To count from 1 to 18,321,664,488,618 would take you about one million, four hundred fifty-six thousand, four hundred thirty 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 18321664488618 cubic inches would be around 2196.9 feet tall.

Recreational maths with 18321664488618

• 18321664488618 backwards is 81688446612381
• The number of decimal digits it has is: 14
• The sum of 18321664488618's digits is 66
• More coming soon!