28472715

28,472,715 is an odd composite number composed of four prime numbers multiplied together.

What does the number 28472715 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 40 divisors.

28472715 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty divisors.

Prime factorization of 28472715:

3⁴ × 5 × 229 × 307

(3 × 3 × 3 × 3 × 5 × 229 × 307)

See below for interesting mathematical facts about the number 28472715 from the Numbermatics database.

Names of 28472715

Cardinal: 28472715 can be written as Twenty-eight million, four hundred seventy-two thousand, seven hundred fifteen.

Scientific notation

Scientific notation: 2.8472715 × 10⁷

Factors of 28472715

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 544

Divisors of 28472715

Number of divisors d(n): 40
Complete list of divisors:
1 3 5 9 15 27 45 81 135 229 307 405 687 921 1145 1535 2061 2763 3435 4605 6183 8289 10305 13815 18549 24867 30915 41445 70303 92745 124335 210909 351515 632727 1054545 1898181 3163635 5694543 9490905 28472715
Sum of all divisors σ(n): 51429840
Sum of proper divisors (its aliquot sum) s(n): 22957125
28472715 is a deficient number, because the sum of its proper divisors (22957125) is less than itself. Its deficiency is 5515590

Bases of 28472715

Binary: 1101100100111010110001011₂
Hexadecimal: 0x1B2758B
Base-36: GY9OR

Squares and roots of 28472715

28472715 squared (28472715²) is 810695499471225
28472715 cubed (28472715³) is 23082701908226840125875
The square root of 28472715 is 5335.9830397031
The cube root of 28472715 is 305.3582281983

Scales and comparisons

How big is 28472715?

28,472,715 seconds is equal to 47 weeks, 13 hours, 5 minutes, 15 seconds.
To count from 1 to 28,472,715 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 28472715 cubic inches would be around 25.4 feet tall.

Recreational maths with 28472715

28472715 backwards is 51727482
The number of decimal digits it has is: 8
The sum of 28472715's digits is 36
More coming soon!

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The information we have on file for 28472715 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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