21369472

21,369,472 is an even composite number composed of two prime numbers multiplied together.

What does the number 21369472 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 16 divisors.

21369472 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 21369472:

2⁷ × 166949

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 166949)

See below for interesting mathematical facts about the number 21369472 from the Numbermatics database.

Names of 21369472

Cardinal: 21369472 can be written as Twenty-one million, three hundred sixty-nine thousand, four hundred seventy-two.

Scientific notation

Scientific notation: 2.1369472 × 10⁷

Factors of 21369472

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 8
Sum of prime factors: 166951

Divisors of 21369472

Number of divisors d(n): 16
Complete list of divisors:
1 2 4 8 16 32 64 128 166949 333898 667796 1335592 2671184 5342368 10684736 21369472
Sum of all divisors σ(n): 42572250
Sum of proper divisors (its aliquot sum) s(n): 21202778
21369472 is a deficient number, because the sum of its proper divisors (21202778) is less than itself. Its deficiency is 166694

Bases of 21369472

Binary: 1010001100001001010000000₂
Hexadecimal: 0x1461280
Base-36: CQ0SG

Squares and roots of 21369472

21369472 squared (21369472²) is 456654333558784
21369472 cubed (21369472³) is 9758461994663095042048
The square root of 21369472 is 4622.7126235577
The cube root of 21369472 is 277.5010285923

Scales and comparisons

How big is 21369472?

21,369,472 seconds is equal to 35 weeks, 2 days, 7 hours, 57 minutes, 52 seconds.
To count from 1 to 21,369,472 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 21369472 cubic inches would be around 23.1 feet tall.

Recreational maths with 21369472

21369472 backwards is 27496312
The number of decimal digits it has is: 8
The sum of 21369472's digits is 34
More coming soon!

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The information we have on file for 21369472 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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