18431423

Names of 18431423

• Cardinal: 18431423 can be written as Eighteen million, four hundred thirty-one thousand, four hundred twenty-three.

Scientific notation

• Scientific notation: 1.8431423 × 10⁷

Factors of 18431423

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 312456

Divisors of 18431423

• Number of divisors d(n): 4
• Complete list of divisors:
  1 59 312397 18431423
• Sum of all divisors σ(n): 18743880
• Sum of proper divisors (its aliquot sum) s(n): 312457
• 18431423 is a deficient number, because the sum of its proper divisors (312457) is less than itself. Its deficiency is 18118966

Bases of 18431423

• Binary: 1000110010011110110111111₂
• Hexadecimal: 0x1193DBF
• Base-36: AZ1RZ

Squares and roots of 18431423

• 18431423 squared (18431423²) is 339717353804929
• 18431423 cubed (18431423³) is 6261474248419305883967
• The square root of 18431423 is 4293.1833177723
• The cube root of 18431423 is 264.1514234997

Scales and comparisons

• 18,431,423 seconds is equal to 30 weeks, 3 days, 7 hours, 50 minutes, 23 seconds.
• To count from 1 to 18,431,423 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 18431423 cubic inches would be around 22 feet tall.

Recreational maths with 18431423

• 18431423 backwards is 32413481
• The number of decimal digits it has is: 8
• The sum of 18431423's digits is 26
• More coming soon!