221329549

Names of 221329549

• Cardinal: 221329549 can be written as Two hundred twenty-one million, three hundred twenty-nine thousand, five hundred forty-nine.

Scientific notation

• Scientific notation: 2.21329549 × 10⁸

Factors of 221329549

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 12035

Divisors of 221329549

• Number of divisors d(n): 8
• Complete list of divisors:
  1 7 3881 8147 27167 57029 31618507 221329549
• Sum of all divisors σ(n): 253044288
• Sum of proper divisors (its aliquot sum) s(n): 31714739
• 221329549 is a deficient number, because the sum of its proper divisors (31714739) is less than itself. Its deficiency is 189614810

Bases of 221329549

• Binary: 1101001100010011100010001101₂
• Hexadecimal: 0xD31388D
• Base-36: 3NRUZ1

Squares and roots of 221329549

• 221329549 squared (221329549²) is 48986769260543401
• 221329549 cubed (221329549³) is 10842219547403134438256149
• The square root of 221329549 is 14877.1485507137
• The cube root of 221329549 is 604.8947283993

Scales and comparisons

• 221,329,549 seconds is equal to 7 years, 1 week, 6 days, 16 hours, 25 minutes, 49 seconds.
• To count from 1 to 221,329,549 would take you about ten 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 221329549 cubic inches would be around 50.4 feet tall.

Recreational maths with 221329549

• 221329549 backwards is 945923122
• The number of decimal digits it has is: 9
• The sum of 221329549's digits is 37
• More coming soon!