28213815

28,213,815 is an odd composite number composed of five prime numbers multiplied together.

What does the number 28213815 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 32 divisors.

28213815 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 28213815:

3 × 5 × 7 × 167 × 1609

See below for interesting mathematical facts about the number 28213815 from the Numbermatics database.

Names of 28213815

Cardinal: 28213815 can be written as Twenty-eight million, two hundred thirteen thousand, eight hundred fifteen.

Scientific notation

Scientific notation: 2.8213815 × 10⁷

Factors of 28213815

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 1791

Divisors of 28213815

Number of divisors d(n): 32
Complete list of divisors:
1 3 5 7 15 21 35 105 167 501 835 1169 1609 2505 3507 4827 5845 8045 11263 17535 24135 33789 56315 168945 268703 806109 1343515 1880921 4030545 5642763 9404605 28213815
Sum of all divisors σ(n): 51932160
Sum of proper divisors (its aliquot sum) s(n): 23718345
28213815 is a deficient number, because the sum of its proper divisors (23718345) is less than itself. Its deficiency is 4495470

Bases of 28213815

Binary: 1101011101000001000110111₂
Hexadecimal: 0x1AE8237
Base-36: GSPX3

Squares and roots of 28213815

28213815 squared (28213815²) is 796019356854225
28213815 cubed (28213815³) is 22458742870704086118375
The square root of 28213815 is 5311.6678171739
The cube root of 28213815 is 304.4298764595

Scales and comparisons

How big is 28213815?

28,213,815 seconds is equal to 46 weeks, 4 days, 13 hours, 10 minutes, 15 seconds.
To count from 1 to 28,213,815 would take you about seventeen 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 28213815 cubic inches would be around 25.4 feet tall.

Recreational maths with 28213815

28213815 backwards is 51831282
The number of decimal digits it has is: 8
The sum of 28213815's digits is 30
More coming soon!

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The information we have on file for 28213815 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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