21016041

Names of 21016041

• Cardinal: 21016041 can be written as Twenty-one million, sixteen thousand and forty-one.

Scientific notation

• Scientific notation: 2.1016041 × 10⁷

Factors of 21016041

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 7005350

Divisors of 21016041

• Number of divisors d(n): 4
• Complete list of divisors:
  1 3 7005347 21016041
• Sum of all divisors σ(n): 28021392
• Sum of proper divisors (its aliquot sum) s(n): 7005351
• 21016041 is a deficient number, because the sum of its proper divisors (7005351) is less than itself. Its deficiency is 14010690

Bases of 21016041

• Binary: 1010000001010110111101001₂
• Hexadecimal: 0x140ADE9
• Base-36: CIG2X

Squares and roots of 21016041

• 21016041 squared (21016041²) is 441673979313681
• 21016041 cubed (21016041³) is 9282238457889471756921
• The square root of 21016041 is 4584.3255774433
• The cube root of 21016041 is 275.9626472239

Scales and comparisons

• 21,016,041 seconds is equal to 34 weeks, 5 days, 5 hours, 47 minutes, 21 seconds.
• To count from 1 to 21,016,041 would take you about twenty hours!

  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 21016041 cubic inches would be around 23 feet tall.

Recreational maths with 21016041

• 21016041 backwards is 14061012
• The number of decimal digits it has is: 8
• The sum of 21016041's digits is 15
• More coming soon!