18900121520329

Names of 18900121520329

• Cardinal: 18900121520329 can be written as Eighteen trillion, nine hundred billion, one hundred twenty-one million, five hundred twenty thousand, three hundred twenty-nine.

Scientific notation

• Scientific notation: 1.8900121520329 × 10¹³

Factors of 18900121520329

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 331

Divisors of 18900121520329

• Number of divisors d(n): 75
• Complete list of divisors:
  1 7 17 49 119 289 307 343 833 2023 2149 2401 4913 5219 5831 14161 15043 34391 36533 40817 83521 88723 94249 99127 105301 240737 255731 584647 621061 659743 693889 737107 1508291 1602233 1685159 1790117 4092529 4347427 4618201 10558037 11215631 11796113 12530819 25640947 27237961 28647703 30431989 32327407 73906259 78509417 179486629 190665727 200533921 213023923 226291849 463045337 517343813 549565919 1256406403 1334660089 3241317359 3621406691 3846961433 7871770729 8794844821 9342620623 22689221513 55102395103 61563913747 65398344361 158824550591 385716765721 1111771854137 2700017360047 18900121520329
• Sum of all divisors σ(n): 23503422746337
• Sum of proper divisors (its aliquot sum) s(n): 4603301226008
• 18900121520329 is a deficient number, because the sum of its proper divisors (4603301226008) is less than itself. Its deficiency is 14296820294321

Bases of 18900121520329

• Binary: 100010011000010000111000001111000100011001001₂
• Hexadecimal: 0x1130870788C9
• Base-36: 6P6LGD70P

Squares and roots of 18900121520329

• 18900121520329 squared (18900121520329²) is 357214593483203390360268241
• 18900121520329 cubed (18900121520329³) is 6751399225667467757941040250125174571289
• 18900121520329 is a perfect square number. Its square root is 4347427
• The cube root of 18900121520329 is 26637.1771412489

Scales and comparisons

• 18,900,121,520,329 seconds is equal to 600,965 years, 20 weeks, 6 days, 11 hours, 38 minutes, 49 seconds.
• To count from 1 to 18,900,121,520,329 would take you about one million, five hundred two thousand, four hundred thirteen 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 18900121520329 cubic inches would be around 2219.8 feet tall.

Recreational maths with 18900121520329

• 18900121520329 backwards is 92302512100981
• The number of decimal digits it has is: 14
• The sum of 18900121520329's digits is 43
• More coming soon!