20558221

Names of 20558221

• Cardinal: 20558221 can be written as Twenty million, five hundred fifty-eight thousand, two hundred twenty-one.

Scientific notation

• Scientific notation: 2.0558221 × 10⁷

Factors of 20558221

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 20558221

Divisors of 20558221

• Number of divisors d(n): 2
• Complete list of divisors:
  1 20558221
• Sum of all divisors σ(n): 20558222
• Sum of proper divisors (its aliquot sum) s(n): 1
• 20558221 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 20558220

Bases of 20558221

• Binary: 1001110011011000110001101₂
• Hexadecimal: 0x139B18D
• Base-36: C8MTP

Squares and roots of 20558221

• 20558221 squared (20558221²) is 422640450684841
• 20558221 cubed (20558221³) is 8688735788718562627861
• The square root of 20558221 is 4534.1174444427
• The cube root of 20558221 is 273.9440319379

Scales and comparisons

• 20,558,221 seconds is equal to 33 weeks, 6 days, 22 hours, 37 minutes, 1 second.
• To count from 1 to 20,558,221 would take you about fifty 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 20558221 cubic inches would be around 22.8 feet tall.

Recreational maths with 20558221

• 20558221 backwards is 12285502
• The number of decimal digits it has is: 8
• The sum of 20558221's digits is 25
• More coming soon!