18434730

Names of 18434730

• Cardinal: 18434730 can be written as Eighteen million, four hundred thirty-four thousand, seven hundred thirty.

Scientific notation

• Scientific notation: 1.843473 × 10⁷

Factors of 18434730

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 26750

Divisors of 18434730

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 690 26717 53434 80151 133585 160302 267170 400755 614491 801510 1228982 1843473 3072455 3686946 6144910 9217365 18434730
• Sum of all divisors σ(n): 46168704
• Sum of proper divisors (its aliquot sum) s(n): 27733974
• 18434730 is an abundant number, because the sum of its proper divisors (27733974) is greater than itself. Its abundance is 9299244

Bases of 18434730

• Binary: 1000110010100101010101010₂
• Hexadecimal: 0x1194AAA
• Base-36: AZ4BU

Squares and roots of 18434730

• 18434730 squared (18434730²) is 339839270172900
• 18434730 cubed (18434730³) is 6264845189034464817000
• The square root of 18434730 is 4293.5684459435
• The cube root of 18434730 is 264.1672207339

Scales and comparisons

• 18,434,730 seconds is equal to 30 weeks, 3 days, 8 hours, 45 minutes, 30 seconds.
• To count from 1 to 18,434,730 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 18434730 cubic inches would be around 22 feet tall.

Recreational maths with 18434730

• 18434730 backwards is 03743481
• 18434730 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 18434730's digits is 30
• More coming soon!