18104809378939731

Names of 18104809378939731

• Cardinal: 18104809378939731 can be written as Eighteen quadrillion, one hundred four trillion, eight hundred nine billion, three hundred seventy-eight million, nine hundred thirty-nine thousand, seven hundred thirty-one.

Scientific notation

• Scientific notation: 1.8104809378939731 × 10¹⁶

Factors of 18104809378939731

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2240542

Divisors of 18104809378939731

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 21 53 63 149 159 371 447 477 1043 1113 1341 3129 3339 7897 9387 16363 23691 49089 55279 71073 114541 147267 165837 343623 497511 867239 1030869 2223967 2438087 2601717 6070673 6671901 7314261 7805151 15567769 17066609 18212019 20015703 21942783 46703307 51199827 54636057 117870251 129218611 140109921 153599481 331371083 353610753 387655833 825091757 904530277 994113249 1060832259 1162967499 2319597581 2475275271 2713590831 2982339747 6958792743 7425825813 8140772493 17562667399 20876378229 36390772021 52688002197 109172316063 122938671793 158064006591 254735404147 327516948189 368816015379 764206212441 1106448046137 1928710917113 2292618637323 5422225031129 5786132751339 13500976419791 16266675093387 17358398254017 37955575217903 40502929259373 48800025280161 113866725653709 121508787778119 287377926649837 341600176961127 862133779949511 2011645486548859 2586401339848533 6034936459646577 18104809378939731
• Sum of all divisors σ(n): 30657473605324800
• Sum of proper divisors (its aliquot sum) s(n): 12552664226385069
• 18104809378939731 is a deficient number, because the sum of its proper divisors (12552664226385069) is less than itself. Its deficiency is 5552145152554662

Bases of 18104809378939731

• Binary: 1000000010100100011101001101011110000100000001101010011₂
• Hexadecimal: 0x40523A6BC20353
• Base-36: 4Y9MALVW7YR

Squares and roots of 18104809378939731

• 18104809378939731 squared (18104809378939731²) is 327784122647744048128077730352361
• 18104809378939731 cubed (18104809378939731³) is 5934469057980407534452792199687827290863212554891
• The square root of 18104809378939731 is 134554113.1996332953
• The cube root of 18104809378939731 is 262581.8188075207

Scales and comparisons

• 18,104,809,378,939,731 seconds is equal to 575,676,936 years, 20 weeks, 4 days, 20 hours, 8 minutes, 51 seconds.
• To count from 1 to 18,104,809,378,939,731 would take you about one billion, seven hundred twenty-seven million, thirty thousand, eight 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 18104809378939731 cubic inches would be around 21881.8 feet tall.

Recreational maths with 18104809378939731

• 18104809378939731 backwards is 13793987390840181
• The number of decimal digits it has is: 17
• The sum of 18104809378939731's digits is 81
• More coming soon!