21006966

21,006,966 is an even composite number composed of four prime numbers multiplied together.

What does the number 21006966 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

21006966 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 21006966:

2 × 3 × 1303 × 2687

See below for interesting mathematical facts about the number 21006966 from the Numbermatics database.

Names of 21006966

Cardinal: 21006966 can be written as Twenty-one million, six thousand, nine hundred sixty-six.

Scientific notation

Scientific notation: 2.1006966 × 10⁷

Factors of 21006966

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 3995

Divisors of 21006966

Number of divisors d(n): 16
Complete list of divisors:
1 2 3 6 1303 2606 2687 3909 5374 7818 8061 16122 3501161 7002322 10503483 21006966
Sum of all divisors σ(n): 42061824
Sum of proper divisors (its aliquot sum) s(n): 21054858
21006966 is an abundant number, because the sum of its proper divisors (21054858) is greater than itself. Its abundance is 47892

Bases of 21006966

Binary: 1010000001000101001110110₂
Hexadecimal: 0x1408A76
Base-36: CI92U

Squares and roots of 21006966

21006966 squared (21006966²) is 441292620525156
21006966 cubed (21006966³) is 9270219075422854236696
The square root of 21006966 is 4583.3356848479
The cube root of 21006966 is 275.9229200845

Scales and comparisons

How big is 21006966?

21,006,966 seconds is equal to 34 weeks, 5 days, 3 hours, 16 minutes, 6 seconds.
To count from 1 to 21,006,966 would take you about sixteen 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 21006966 cubic inches would be around 23 feet tall.

Recreational maths with 21006966

21006966 backwards is 66960012
The number of decimal digits it has is: 8
The sum of 21006966's digits is 30
More coming soon!

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The information we have on file for 21006966 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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