445404221

Names of 445404221

• Cardinal: 445404221 can be written as Four hundred forty-five million, four hundred four thousand, two hundred twenty-one.

Scientific notation

• Scientific notation: 4.45404221 × 10⁸

Factors of 445404221

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 445404221

Divisors of 445404221

• Number of divisors d(n): 2
• Complete list of divisors:
  1 445404221
• Sum of all divisors σ(n): 445404222
• Sum of proper divisors (its aliquot sum) s(n): 1
• 445404221 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 445404220

Bases of 445404221

• Binary: 11010100011000101010000111101₂
• Hexadecimal: 0x1A8C543D
• Base-36: 7D6K3H

Squares and roots of 445404221

• 445404221 squared (445404221²) is 198384920084616841
• 445404221 cubed (445404221³) is 88361480788436018149085861
• The square root of 445404221 is 21104.6018915305
• The cube root of 445404221 is 763.6917683599

Scales and comparisons

• 445,404,221 seconds is equal to 14 years, 8 weeks, 3 days, 3 hours, 23 minutes, 41 seconds.
• To count from 1 to 445,404,221 would take you about twenty-one years!

  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 445404221 cubic inches would be around 63.6 feet tall.

Recreational maths with 445404221

• 445404221 backwards is 122404544
• The number of decimal digits it has is: 9
• The sum of 445404221's digits is 26
• More coming soon!