18504318399

Names of 18504318399

• Cardinal: 18504318399 can be written as Eighteen billion, five hundred four million, three hundred eighteen thousand, three hundred ninety-nine.

Scientific notation

• Scientific notation: 1.8504318399 × 10¹⁰

Factors of 18504318399

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1197

Divisors of 18504318399

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 21 41 49 53 123 147 159 287 371 861 1093 1113 2009 2173 2597 2809 3279 6027 6519 7651 7791 8427 15211 19663 22953 44813 45633 53557 57929 58989 106477 115169 134439 137641 160671 173787 313691 319431 345507 405503 412923 806183 941073 1216509 2195837 2375089 2418549 2838521 3070237 5643281 6587511 7125267 8515563 9210711 16625623 16929843 21491659 49876869 64474977 116379361 125879717 150441613 349138083 377639151 451324839 881158019 2643474057 6168106133 18504318399
• Sum of all divisors σ(n): 29993200272
• Sum of proper divisors (its aliquot sum) s(n): 11488881873
• 18504318399 is a deficient number, because the sum of its proper divisors (11488881873) is less than itself. Its deficiency is 7015436526

Bases of 18504318399

• Binary: 10001001110111100010111110110111111₂
• Hexadecimal: 0x44EF17DBF
• Base-36: 8I0ZRGF

Squares and roots of 18504318399

• 18504318399 squared (18504318399²) is 342409799411569923201
• 18504318399 cubed (18504318399³) is 6336059951249412703363281275199
• The square root of 18504318399 is 136030.5789115079
• The cube root of 18504318399 is 2644.9920084855

Scales and comparisons

• 18,504,318,399 seconds is equal to 588 years, 19 weeks, 5 days, 8 hours, 26 minutes, 39 seconds.
• To count from 1 to 18,504,318,399 would take you about one thousand, one hundred seventy-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 18504318399 cubic inches would be around 220.4 feet tall.

Recreational maths with 18504318399

• 18504318399 backwards is 99381340581
• The number of decimal digits it has is: 11
• The sum of 18504318399's digits is 51
• More coming soon!