18421890637329

Names of 18421890637329

• Cardinal: 18421890637329 can be written as Eighteen trillion, four hundred twenty-one billion, eight hundred ninety million, six hundred thirty-seven thousand, three hundred twenty-nine.

Scientific notation

• Scientific notation: 1.8421890637329 × 10¹³

Factors of 18421890637329

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 199

Divisors of 18421890637329

• Number of divisors d(n): 75
• Complete list of divisors:
  1 3 9 27 59 81 137 177 411 531 1233 1593 3481 3699 4779 8083 10443 11097 18769 24249 31329 56307 72747 93987 168921 205379 218241 281961 476897 506763 616137 654723 1107371 1430691 1520289 1848411 3322113 4292073 5545233 9966339 12117361 12876219 16635699 28136923 29899017 36352083 38628657 65334889 84410769 89697051 109056249 196004667 253232307 327168747 588014001 759696921 981506241 1660078457 1764042003 2279090763 3854758451 4980235371 5292126009 11564275353 14940706113 34692826059 44822118339 104078478177 134466355017 227430748609 312235434531 682292245827 2046876737481 6140630212443 18421890637329
• Sum of all divisors σ(n): 28199412378907
• Sum of proper divisors (its aliquot sum) s(n): 9777521741578
• 18421890637329 is a deficient number, because the sum of its proper divisors (9777521741578) is less than itself. Its deficiency is 8644368895751

Bases of 18421890637329

• Binary: 100001100000100101110001111110101111000010001₂
• Hexadecimal: 0x10C12E3F5E11
• Base-36: 6J2WE1O29

Squares and roots of 18421890637329

• 18421890637329 squared (18421890637329²) is 339366054653709869808254241
• 18421890637329 cubed (18421890637329³) is 6251764344852459559916238334760357162289
• 18421890637329 is a perfect square number. Its square root is 4292073
• The cube root of 18421890637329 is 26410.5877705807

Scales and comparisons

• 18,421,890,637,329 seconds is equal to 585,759 years, 7 weeks, 1 day, 19 hours, 42 minutes, 9 seconds.
• To count from 1 to 18,421,890,637,329 would take you about one million, four hundred sixty-four thousand, three hundred ninety-seven 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 18421890637329 cubic inches would be around 2200.9 feet tall.

Recreational maths with 18421890637329

• 18421890637329 backwards is 92373609812481
• The number of decimal digits it has is: 14
• The sum of 18421890637329's digits is 63
• More coming soon!