28749472

28,749,472 is an even composite number composed of two prime numbers multiplied together.

What does the number 28749472 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 12 divisors.

28749472 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 28749472:

2⁵ × 898421

(2 × 2 × 2 × 2 × 2 × 898421)

See below for interesting mathematical facts about the number 28749472 from the Numbermatics database.

Names of 28749472

Cardinal: 28749472 can be written as Twenty-eight million, seven hundred forty-nine thousand, four hundred seventy-two.

Scientific notation

Scientific notation: 2.8749472 × 10⁷

Factors of 28749472

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 6
Sum of prime factors: 898423

Divisors of 28749472

Number of divisors d(n): 12
Complete list of divisors:
1 2 4 8 16 32 898421 1796842 3593684 7187368 14374736 28749472
Sum of all divisors σ(n): 56600586
Sum of proper divisors (its aliquot sum) s(n): 27851114
28749472 is a deficient number, because the sum of its proper divisors (27851114) is less than itself. Its deficiency is 898358

Bases of 28749472

Binary: 1101101101010111010100000₂
Hexadecimal: 0x1B6AEA0
Base-36: H478G

Squares and roots of 28749472

28749472 squared (28749472²) is 826532140278784
28749472 cubed (28749472³) is 23762362624044972802048
The square root of 28749472 is 5361.8534109019
The cube root of 28749472 is 306.3444083777

Scales and comparisons

How big is 28749472?

28,749,472 seconds is equal to 47 weeks, 3 days, 17 hours, 57 minutes, 52 seconds.
To count from 1 to 28,749,472 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 28749472 cubic inches would be around 25.5 feet tall.

Recreational maths with 28749472

28749472 backwards is 27494782
The number of decimal digits it has is: 8
The sum of 28749472's digits is 43
More coming soon!

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The information we have on file for 28749472 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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