28375791

28,375,791 is an odd composite number composed of three prime numbers multiplied together.

What does the number 28375791 look like?

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

28375791 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 28375791:

3 × 83² × 1373

(3 × 83 × 83 × 1373)

See below for interesting mathematical facts about the number 28375791 from the Numbermatics database.

Names of 28375791

Cardinal: 28375791 can be written as Twenty-eight million, three hundred seventy-five thousand, seven hundred ninety-one.

Scientific notation

Scientific notation: 2.8375791 × 10⁷

Factors of 28375791

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 1459

Divisors of 28375791

Number of divisors d(n): 12
Complete list of divisors:
1 3 83 249 1373 4119 6889 20667 113959 341877 9458597 28375791
Sum of all divisors σ(n): 38323608
Sum of proper divisors (its aliquot sum) s(n): 9947817
28375791 is a deficient number, because the sum of its proper divisors (9947817) is less than itself. Its deficiency is 18427974

Bases of 28375791

Binary: 1101100001111101011101111₂
Hexadecimal: 0x1B0FAEF
Base-36: GW6WF

Squares and roots of 28375791

28375791 squared (28375791²) is 805185514875681
28375791 cubed (28375791³) is 22847775886339715038671
The square root of 28375791 is 5326.8931845873
The cube root of 28375791 is 305.0113441987

Scales and comparisons

How big is 28375791?

28,375,791 seconds is equal to 46 weeks, 6 days, 10 hours, 9 minutes, 51 seconds.
To count from 1 to 28,375,791 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 28375791 cubic inches would be around 25.4 feet tall.

Recreational maths with 28375791

28375791 backwards is 19757382
The number of decimal digits it has is: 8
The sum of 28375791's digits is 42
More coming soon!

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The information we have on file for 28375791 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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