18129339342

Names of 18129339342

• Cardinal: 18129339342 can be written as Eighteen billion, one hundred twenty-nine million, three hundred thirty-nine thousand, three hundred forty-two.

Scientific notation

• Scientific notation: 1.8129339342 × 10¹⁰

Factors of 18129339342

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 59150

Divisors of 18129339342

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 9 17 18 34 51 59 102 118 153 177 289 306 354 531 578 867 1003 1062 1734 2006 2601 3009 5202 6018 9027 17051 18054 34102 51153 59069 102306 118138 153459 177207 306918 354414 531621 1004173 1063242 2008346 3012519 3485071 6025038 6970142 9037557 10455213 17070941 18075114 20910426 31365639 34141882 51212823 59246207 62731278 102425646 118492414 153638469 177738621 307276938 355477242 533215863 1007185519 1066431726 2014371038 3021556557 6043113114 9064669671 18129339342
• Sum of all divisors σ(n): 42434706600
• Sum of proper divisors (its aliquot sum) s(n): 24305367258
• 18129339342 is an abundant number, because the sum of its proper divisors (24305367258) is greater than itself. Its abundance is 6176027916

Bases of 18129339342

• Binary: 10000111000100101111100001111001110₂
• Hexadecimal: 0x43897C3CE
• Base-36: 8BTQNRI

Squares and roots of 18129339342

• 18129339342 squared (18129339342²) is 328672944977388992964
• 18129339342 cubed (18129339342³) is 5958623352029579570580006389688
• The square root of 18129339342 is 134645.2351254957
• The cube root of 18129339342 is 2627.0035481587

Scales and comparisons

• 18,129,339,342 seconds is equal to 576 years, 23 weeks, 5 days, 7 hours, 35 minutes, 42 seconds.
• To count from 1 to 18,129,339,342 would take you about one thousand, one hundred fifty-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 18129339342 cubic inches would be around 218.9 feet tall.

Recreational maths with 18129339342

• 18129339342 backwards is 24393392181
• The number of decimal digits it has is: 11
• The sum of 18129339342's digits is 45
• More coming soon!