21328082

Names of 21328082

• Cardinal: 21328082 can be written as Twenty-one million, three hundred twenty-eight thousand and eighty-two.

Scientific notation

• Scientific notation: 2.1328082 × 10⁷

Factors of 21328082

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 10664043

Divisors of 21328082

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 10664041 21328082
• Sum of all divisors σ(n): 31992126
• Sum of proper divisors (its aliquot sum) s(n): 10664044
• 21328082 is a deficient number, because the sum of its proper divisors (10664044) is less than itself. Its deficiency is 10664038

Bases of 21328082

• Binary: 1010001010111000011010010₂
• Hexadecimal: 0x14570D2
• Base-36: CP4UQ

Squares and roots of 21328082

• 21328082 squared (21328082²) is 454887081798724
• 21328082 cubed (21328082³) is 9701868981343892967368
• The square root of 21328082 is 4618.2336450205
• The cube root of 21328082 is 277.3217511779

Scales and comparisons

• 21,328,082 seconds is equal to 35 weeks, 1 day, 20 hours, 28 minutes, 2 seconds.
• To count from 1 to 21,328,082 would take you about six days!

  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 21328082 cubic inches would be around 23.1 feet tall.

Recreational maths with 21328082

• 21328082 backwards is 28082312
• The number of decimal digits it has is: 8
• The sum of 21328082's digits is 26
• More coming soon!