21948816

21,948,816 is an even composite number composed of three prime numbers multiplied together.

What does the number 21948816 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 20 divisors.

21948816 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty divisors.

Prime factorization of 21948816:

2⁴ × 3 × 457267

(2 × 2 × 2 × 2 × 3 × 457267)

See below for interesting mathematical facts about the number 21948816 from the Numbermatics database.

Names of 21948816

Cardinal: 21948816 can be written as Twenty-one million, nine hundred forty-eight thousand, eight hundred sixteen.

Scientific notation

Scientific notation: 2.1948816 × 10⁷

Factors of 21948816

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 6
Sum of prime factors: 457272

Divisors of 21948816

Number of divisors d(n): 20
Complete list of divisors:
1 2 3 4 6 8 12 16 24 48 457267 914534 1371801 1829068 2743602 3658136 5487204 7316272 10974408 21948816
Sum of all divisors σ(n): 56701232
Sum of proper divisors (its aliquot sum) s(n): 34752416
21948816 is an abundant number, because the sum of its proper divisors (34752416) is greater than itself. Its abundance is 12803600

Bases of 21948816

Binary: 1010011101110100110010000₂
Hexadecimal: 0x14EE990
Base-36: D2FTC

Squares and roots of 21948816

21948816 squared (21948816²) is 481750523801856
21948816 cubed (21948816³) is 10573853604830557802496
The square root of 21948816 is 4684.9563498501
The cube root of 21948816 is 279.9864619305

Scales and comparisons

How big is 21948816?

21,948,816 seconds is equal to 36 weeks, 2 days, 53 minutes, 36 seconds.
To count from 1 to 21,948,816 would take you about two weeks!

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 21948816 cubic inches would be around 23.3 feet tall.

Recreational maths with 21948816

21948816 backwards is 61884912
The number of decimal digits it has is: 8
The sum of 21948816's digits is 39
More coming soon!

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The information we have on file for 21948816 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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