28438404

28,438,404 is an even composite number composed of three prime numbers multiplied together.

What does the number 28438404 look like?

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

28438404 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 28438404:

2² × 3 × 2369867

(2 × 2 × 3 × 2369867)

See below for interesting mathematical facts about the number 28438404 from the Numbermatics database.

Names of 28438404

Cardinal: 28438404 can be written as Twenty-eight million, four hundred thirty-eight thousand, four hundred four.

Scientific notation

Scientific notation: 2.8438404 × 10⁷

Factors of 28438404

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 2369872

Divisors of 28438404

Number of divisors d(n): 12
Complete list of divisors:
1 2 3 4 6 12 2369867 4739734 7109601 9479468 14219202 28438404
Sum of all divisors σ(n): 66356304
Sum of proper divisors (its aliquot sum) s(n): 37917900
28438404 is an abundant number, because the sum of its proper divisors (37917900) is greater than itself. Its abundance is 9479496

Bases of 28438404

Binary: 1101100011110111110000100₂
Hexadecimal: 0x1B1EF84
Base-36: GXJ7O

Squares and roots of 28438404

28438404 squared (28438404²) is 808742822067216
28438404 cubed (28438404³) is 22999355106047603763264
The square root of 28438404 is 5332.7670115991
The cube root of 28438404 is 305.2355217465

Scales and comparisons

How big is 28438404?

28,438,404 seconds is equal to 47 weeks, 3 hours, 33 minutes, 24 seconds.
To count from 1 to 28,438,404 would take you about eighteen 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 28438404 cubic inches would be around 25.4 feet tall.

Recreational maths with 28438404

28438404 backwards is 40483482
The number of decimal digits it has is: 8
The sum of 28438404's digits is 33
More coming soon!

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The information we have on file for 28438404 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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