21440162

Names of 21440162

• Cardinal: 21440162 can be written as Twenty-one million, four hundred forty thousand, one hundred sixty-two.

Scientific notation

• Scientific notation: 2.1440162 × 10⁷

Factors of 21440162

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 630612

Divisors of 21440162

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 17 34 630593 1261186 10720081 21440162
• Sum of all divisors σ(n): 34052076
• Sum of proper divisors (its aliquot sum) s(n): 12611914
• 21440162 is a deficient number, because the sum of its proper divisors (12611914) is less than itself. Its deficiency is 8828248

Bases of 21440162

• Binary: 1010001110010011010100010₂
• Hexadecimal: 0x14726A2
• Base-36: CRJC2

Squares and roots of 21440162

• 21440162 squared (21440162²) is 459680546586244
• 21440162 cubed (21440162³) is 9855625387057618331528
• The square root of 21440162 is 4630.3522544187
• The cube root of 21440162 is 277.8066820175

Scales and comparisons

• 21,440,162 seconds is equal to 35 weeks, 3 days, 3 hours, 36 minutes, 2 seconds.
• To count from 1 to 21,440,162 would take you about five 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 21440162 cubic inches would be around 23.2 feet tall.

Recreational maths with 21440162

• 21440162 backwards is 26104412
• The number of decimal digits it has is: 8
• The sum of 21440162's digits is 20
• More coming soon!