18338428238

Names of 18338428238

• Cardinal: 18338428238 can be written as Eighteen billion, three hundred thirty-eight million, four hundred twenty-eight thousand, two hundred thirty-eight.

Scientific notation

• Scientific notation: 1.8338428238 × 10¹⁰

Factors of 18338428238

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 705324178

Divisors of 18338428238

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 13 26 705324163 1410648326 9169214119 18338428238
• Sum of all divisors σ(n): 29623614888
• Sum of proper divisors (its aliquot sum) s(n): 11285186650
• 18338428238 is a deficient number, because the sum of its proper divisors (11285186650) is less than itself. Its deficiency is 7053241588

Bases of 18338428238

• Binary: 10001000101000011100011010101001110₂
• Hexadecimal: 0x4450E354E
• Base-36: 8FA85SE

Squares and roots of 18338428238

• 18338428238 squared (18338428238²) is 336297950240275784644
• 18338428238 cubed (18338428238³) is 6167175827067792334023136377272
• The square root of 18338428238 is 135419.4529526685
• The cube root of 18338428238 is 2637.0642027075

Scales and comparisons

• 18,338,428,238 seconds is equal to 583 years, 5 weeks, 3 days, 7 hours, 50 minutes, 38 seconds.
• To count from 1 to 18,338,428,238 would take you about one thousand, one hundred sixty-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 18338428238 cubic inches would be around 219.8 feet tall.

Recreational maths with 18338428238

• 18338428238 backwards is 83282483381
• The number of decimal digits it has is: 11
• The sum of 18338428238's digits is 50
• More coming soon!