18934321

Names of 18934321

• Cardinal: 18934321 can be written as Eighteen million, nine hundred thirty-four thousand, three hundred twenty-one.

Scientific notation

• Scientific notation: 1.8934321 × 10⁷

Factors of 18934321

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 2704910

Divisors of 18934321

• Number of divisors d(n): 4
• Complete list of divisors:
  1 7 2704903 18934321
• Sum of all divisors σ(n): 21639232
• Sum of proper divisors (its aliquot sum) s(n): 2704911
• 18934321 is a deficient number, because the sum of its proper divisors (2704911) is less than itself. Its deficiency is 16229410

Bases of 18934321

• Binary: 1001000001110101000110001₂
• Hexadecimal: 0x120EA31
• Base-36: B9TTD

Squares and roots of 18934321

• 18934321 squared (18934321²) is 358508511731041
• 18934321 cubed (18934321³) is 6788115242347795958161
• The square root of 18934321 is 4351.3585234961
• The cube root of 18934321 is 266.5323398127

Scales and comparisons

• 18,934,321 seconds is equal to 31 weeks, 2 days, 3 hours, 32 minutes, 1 second.
• To count from 1 to 18,934,321 would take you about forty-six 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 18934321 cubic inches would be around 22.2 feet tall.

Recreational maths with 18934321

• 18934321 backwards is 12343981
• The number of decimal digits it has is: 8
• The sum of 18934321's digits is 31
• More coming soon!