18436120542

Names of 18436120542

• Cardinal: 18436120542 can be written as Eighteen billion, four hundred thirty-six million, one hundred twenty thousand, five hundred forty-two.

Scientific notation

• Scientific notation: 1.8436120542 × 10¹⁰

Factors of 18436120542

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 128412

Divisors of 18436120542

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 42 49 63 98 126 147 163 294 326 441 489 882 978 1141 1467 2282 2934 3423 6846 7987 10269 15974 20538 23961 47922 71883 128237 143766 256474 384711 769422 897659 1154133 1795318 2308266 2692977 5385954 6283613 8078931 12567226 16157862 18850839 20902631 37701678 41805262 56552517 62707893 113105034 125415786 146318417 188123679 292636834 376247358 438955251 877910502 1024228919 1316865753 2048457838 2633731506 3072686757 6145373514 9218060271 18436120542
• Sum of all divisors σ(n): 46751984136
• Sum of proper divisors (its aliquot sum) s(n): 28315863594
• 18436120542 is an abundant number, because the sum of its proper divisors (28315863594) is greater than itself. Its abundance is 9879743052

Bases of 18436120542

• Binary: 10001001010111000001101111111011110₂
• Hexadecimal: 0x44AE0DFDE
• Base-36: 8GWE1NI

Squares and roots of 18436120542

• 18436120542 squared (18436120542²) is 339890540639154373764
• 18436120542 cubed (18436120542³) is 6266262978308999759659626260088
• The square root of 18436120542 is 135779.6764689031
• The cube root of 18436120542 is 2641.7386266065

Scales and comparisons

• 18,436,120,542 seconds is equal to 586 years, 11 weeks, 35 minutes, 42 seconds.
• To count from 1 to 18,436,120,542 would take you about one thousand, one hundred seventy-two 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 18436120542 cubic inches would be around 220.1 feet tall.

Recreational maths with 18436120542

• 18436120542 backwards is 24502163481
• The number of decimal digits it has is: 11
• The sum of 18436120542's digits is 36
• More coming soon!