21438848

21,438,848 is an even composite number composed of two prime numbers multiplied together.

What does the number 21438848 look like?

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

21438848 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 21438848:

2⁷ × 167491

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 167491)

See below for interesting mathematical facts about the number 21438848 from the Numbermatics database.

Names of 21438848

Cardinal: 21438848 can be written as Twenty-one million, four hundred thirty-eight thousand, eight hundred forty-eight.

Scientific notation

Scientific notation: 2.1438848 × 10⁷

Factors of 21438848

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 8
Sum of prime factors: 167493

Divisors of 21438848

Number of divisors d(n): 16
Complete list of divisors:
1 2 4 8 16 32 64 128 167491 334982 669964 1339928 2679856 5359712 10719424 21438848
Sum of all divisors σ(n): 42710460
Sum of proper divisors (its aliquot sum) s(n): 21271612
21438848 is a deficient number, because the sum of its proper divisors (21271612) is less than itself. Its deficiency is 167236

Bases of 21438848

Binary: 1010001110010000110000000₂
Hexadecimal: 0x1472180
Base-36: CRIBK

Squares and roots of 21438848

21438848 squared (21438848²) is 459624203567104
21438848 cubed (21438848³) is 9853813437396200456192
The square root of 21438848 is 4630.2103623919
The cube root of 21438848 is 277.8010066027

Scales and comparisons

How big is 21438848?

21,438,848 seconds is equal to 35 weeks, 3 days, 3 hours, 14 minutes, 8 seconds.
To count from 1 to 21,438,848 would take you about four 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 21438848 cubic inches would be around 23.2 feet tall.

Recreational maths with 21438848

21438848 backwards is 84883412
The number of decimal digits it has is: 8
The sum of 21438848's digits is 38
More coming soon!

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The information we have on file for 21438848 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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