21213996

21,213,996 is an even composite number composed of three prime numbers multiplied together.

What does the number 21213996 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

21213996 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 21213996:

2² × 3 × 1767833

(2 × 2 × 3 × 1767833)

See below for interesting mathematical facts about the number 21213996 from the Numbermatics database.

Names of 21213996

Cardinal: 21213996 can be written as Twenty-one million, two hundred thirteen thousand, nine hundred ninety-six.

Scientific notation

Scientific notation: 2.1213996 × 10⁷

Factors of 21213996

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 1767838

Divisors of 21213996

Number of divisors d(n): 12
Complete list of divisors:
1 2 3 4 6 12 1767833 3535666 5303499 7071332 10606998 21213996
Sum of all divisors σ(n): 49499352
Sum of proper divisors (its aliquot sum) s(n): 28285356
21213996 is an abundant number, because the sum of its proper divisors (28285356) is greater than itself. Its abundance is 7071360

Bases of 21213996

Binary: 1010000111011001100101100₂
Hexadecimal: 0x143B32C
Base-36: CMOTO

Squares and roots of 21213996

21213996 squared (21213996²) is 450033626288016
21213996 cubed (21213996³) is 9547011547939466271936
The square root of 21213996 is 4605.8653909987
The cube root of 21213996 is 276.8263931475

Scales and comparisons

How big is 21213996?

21,213,996 seconds is equal to 35 weeks, 12 hours, 46 minutes, 36 seconds.
To count from 1 to 21,213,996 would take you about four 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 21213996 cubic inches would be around 23.1 feet tall.

Recreational maths with 21213996

21213996 backwards is 69931212
The number of decimal digits it has is: 8
The sum of 21213996's digits is 33
More coming soon!

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The information we have on file for 21213996 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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