13820321

Names of 13820321

• Cardinal: 13820321 can be written as Thirteen million, eight hundred twenty thousand, three hundred twenty-one.

Scientific notation

• Scientific notation: 1.3820321 × 10⁷

Factors of 13820321

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 337122

Divisors of 13820321

• Number of divisors d(n): 4
• Complete list of divisors:
  1 41 337081 13820321
• Sum of all divisors σ(n): 14157444
• Sum of proper divisors (its aliquot sum) s(n): 337123
• 13820321 is a deficient number, because the sum of its proper divisors (337123) is less than itself. Its deficiency is 13483198

Bases of 13820321

• Binary: 110100101110000110100001₂
• Hexadecimal: 0xD2E1A1
• Base-36: 887TT

Squares and roots of 13820321

• 13820321 squared (13820321²) is 191001272543041
• 13820321 cubed (13820321³) is 2639698897953312936161
• The square root of 13820321 is 3717.5692327111
• The cube root of 13820321 is 239.9787076017

Scales and comparisons

• 13,820,321 seconds is equal to 22 weeks, 5 days, 22 hours, 58 minutes, 41 seconds.
• To count from 1 to 13,820,321 would take you about thirty-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 13820321 cubic inches would be around 20 feet tall.

Recreational maths with 13820321

• 13820321 backwards is 12302831
• The number of decimal digits it has is: 8
• The sum of 13820321's digits is 20
• More coming soon!