18421368220160

Names of 18421368220160

• Cardinal: 18421368220160 can be written as Eighteen trillion, four hundred twenty-one billion, three hundred sixty-eight million, two hundred twenty thousand, one hundred sixty.

Scientific notation

• Scientific notation: 1.842136822016 × 10¹³

Factors of 18421368220160

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 7195846968

Divisors of 18421368220160

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1280 2560 7195846961 14391693922 28783387844 35979234805 57566775688 71958469610 115133551376 143916939220 230267102752 287833878440 460534205504 575667756880 921068411008 1151335513760 1842136822016 2302671027520 3684273644032 4605342055040 9210684110080 18421368220160
• Sum of all divisors σ(n): 44168108652756
• Sum of proper divisors (its aliquot sum) s(n): 25746740432596
• 18421368220160 is an abundant number, because the sum of its proper divisors (25746740432596) is greater than itself. Its abundance is 7325372212436

Bases of 18421368220160

• Binary: 100001100000100001111000110111110101000000000₂
• Hexadecimal: 0x10C10F1BEA00
• Base-36: 6J2NR0GE8

Squares and roots of 18421368220160

• 18421368220160 squared (18421368220160²) is 339346807102720806230425600
• 18421368220160 cubed (18421368220160³) is 6251232487974826824562375473911300096000
• The square root of 18421368220160 is 4292012.1411943839
• The cube root of 18421368220160 is 26410.3381133443

Scales and comparisons

• 18,421,368,220,160 seconds is equal to 585,742 years, 27 weeks, 3 days, 7 hours, 49 minutes, 20 seconds.
• To count from 1 to 18,421,368,220,160 would take you about one million, four hundred sixty-four thousand, three 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 18421368220160 cubic inches would be around 2200.9 feet tall.

Recreational maths with 18421368220160

• 18421368220160 backwards is 06102286312481
• The number of decimal digits it has is: 14
• The sum of 18421368220160's digits is 44
• More coming soon!