28747904

28,747,904 is an even composite number composed of three prime numbers multiplied together.

What does the number 28747904 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 32 divisors.

28747904 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 28747904:

2⁷ × 107 × 2099

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 107 × 2099)

See below for interesting mathematical facts about the number 28747904 from the Numbermatics database.

Names of 28747904

Cardinal: 28747904 can be written as Twenty-eight million, seven hundred forty-seven thousand, nine hundred four.

Scientific notation

Scientific notation: 2.8747904 × 10⁷

Factors of 28747904

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 9
Sum of prime factors: 2208

Divisors of 28747904

Number of divisors d(n): 32
Complete list of divisors:
1 2 4 8 16 32 64 107 128 214 428 856 1712 2099 3424 4198 6848 8396 13696 16792 33584 67168 134336 224593 268672 449186 898372 1796744 3593488 7186976 14373952 28747904
Sum of all divisors σ(n): 57834000
Sum of proper divisors (its aliquot sum) s(n): 29086096
28747904 is an abundant number, because the sum of its proper divisors (29086096) is greater than itself. Its abundance is 338192

Bases of 28747904

Binary: 1101101101010100010000000₂
Hexadecimal: 0x1B6A880
Base-36: H460W

Squares and roots of 28747904

28747904 squared (28747904²) is 826441984393216
28747904 cubed (28747904³) is 23758474828905671819264
The square root of 28747904 is 5361.7071908113
The cube root of 28747904 is 306.3388389217

Scales and comparisons

How big is 28747904?

28,747,904 seconds is equal to 47 weeks, 3 days, 17 hours, 31 minutes, 44 seconds.
To count from 1 to 28,747,904 would take you about nineteen 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 28747904 cubic inches would be around 25.5 feet tall.

Recreational maths with 28747904

28747904 backwards is 40974782
The number of decimal digits it has is: 8
The sum of 28747904's digits is 41
More coming soon!

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The information we have on file for 28747904 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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