18404413

Names of 18404413

• Cardinal: 18404413 can be written as Eighteen million, four hundred four thousand, four hundred thirteen.

Scientific notation

• Scientific notation: 1.8404413 × 10⁷

Factors of 18404413

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 82754

Divisors of 18404413

• Number of divisors d(n): 4
• Complete list of divisors:
  1 223 82531 18404413
• Sum of all divisors σ(n): 18487168
• Sum of proper divisors (its aliquot sum) s(n): 82755
• 18404413 is a deficient number, because the sum of its proper divisors (82755) is less than itself. Its deficiency is 18321658

Bases of 18404413

• Binary: 1000110001101010000111101₂
• Hexadecimal: 0x118D43D
• Base-36: AYGXP

Squares and roots of 18404413

• 18404413 squared (18404413²) is 338722417874569
• 18404413 cubed (18404413³) is 6233987270922150072997
• The square root of 18404413 is 4290.0364800313
• The cube root of 18404413 is 264.0223284221

Scales and comparisons

• 18,404,413 seconds is equal to 30 weeks, 3 days, 20 minutes, 13 seconds.
• To count from 1 to 18,404,413 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 18404413 cubic inches would be around 22 feet tall.

Recreational maths with 18404413

• 18404413 backwards is 31440481
• The number of decimal digits it has is: 8
• The sum of 18404413's digits is 25
• More coming soon!