18428338

Names of 18428338

• Cardinal: 18428338 can be written as Eighteen million, four hundred twenty-eight thousand, three hundred thirty-eight.

Scientific notation

• Scientific notation: 1.8428338 × 10⁷

Factors of 18428338

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 214328

Divisors of 18428338

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 43 86 214283 428566 9214169 18428338
• Sum of all divisors σ(n): 28285488
• Sum of proper divisors (its aliquot sum) s(n): 9857150
• 18428338 is a deficient number, because the sum of its proper divisors (9857150) is less than itself. Its deficiency is 8571188

Bases of 18428338

• Binary: 1000110010011000110110010₂
• Hexadecimal: 0x11931B2
• Base-36: AYZEA

Squares and roots of 18428338

• 18428338 squared (18428338²) is 339603641442244
• 18428338 cubed (18428338³) is 6258330690528479910472
• The square root of 18428338 is 4292.8240122325
• The cube root of 18428338 is 264.1366850353

Scales and comparisons

• 18,428,338 seconds is equal to 30 weeks, 3 days, 6 hours, 58 minutes, 58 seconds.
• To count from 1 to 18,428,338 would take you about forty-five weeks!

  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 18428338 cubic inches would be around 22 feet tall.

Recreational maths with 18428338

• 18428338 backwards is 83382481
• The number of decimal digits it has is: 8
• The sum of 18428338's digits is 37
• More coming soon!