18039025

Names of 18039025

• Cardinal: 18039025 can be written as Eighteen million, thirty-nine thousand and twenty-five.

Scientific notation

• Scientific notation: 1.8039025 × 10⁷

Factors of 18039025

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 721566

Divisors of 18039025

• Number of divisors d(n): 6
• Complete list of divisors:
  1 5 25 721561 3607805 18039025
• Sum of all divisors σ(n): 22368422
• Sum of proper divisors (its aliquot sum) s(n): 4329397
• 18039025 is a deficient number, because the sum of its proper divisors (4329397) is less than itself. Its deficiency is 13709628

Bases of 18039025

• Binary: 1000100110100000011110001₂
• Hexadecimal: 0x11340F1
• Base-36: AQN01

Squares and roots of 18039025

• 18039025 squared (18039025²) is 325406422950625
• 18039025 cubed (18039025³) is 5870014598766898140625
• The square root of 18039025 is 4247.2373373759
• The cube root of 18039025 is 262.2633998091

Scales and comparisons

• 18,039,025 seconds is equal to 29 weeks, 5 days, 18 hours, 50 minutes, 25 seconds.
• To count from 1 to 18,039,025 would take you about forty-four 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 18039025 cubic inches would be around 21.9 feet tall.

Recreational maths with 18039025

• 18039025 backwards is 52093081
• The number of decimal digits it has is: 8
• The sum of 18039025's digits is 28
• More coming soon!