28290

28,290 is an even composite number composed of five prime numbers multiplied together.

What does the number 28290 look like?

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

28290 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 28290:

2 × 3 × 5 × 23 × 41

See below for interesting mathematical facts about the number 28290 from the Numbermatics database.

Names of 28290

Cardinal: 28290 can be written as Twenty-eight thousand, two hundred ninety.

Scientific notation

Scientific notation: 2.829 × 10⁴

Factors of 28290

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 74

Divisors of 28290

Number of divisors d(n): 32
Complete list of divisors:
1 2 3 5 6 10 15 23 30 41 46 69 82 115 123 138 205 230 246 345 410 615 690 943 1230 1886 2829 4715 5658 9430 14145 28290
Sum of all divisors σ(n): 72576
Sum of proper divisors (its aliquot sum) s(n): 44286
28290 is an abundant number, because the sum of its proper divisors (44286) is greater than itself. Its abundance is 15996

Bases of 28290

Binary: 110111010000010₂
Hexadecimal: 0x6E82
Base-36: LTU

Squares and roots of 28290

28290 squared (28290²) is 800324100
28290 cubed (28290³) is 22641168789000
The square root of 28290 is 168.1963138717
The cube root of 28290 is 30.4703644771

Scales and comparisons

How big is 28290?

28,290 seconds is equal to 7 hours, 51 minutes, 30 seconds.
To count from 1 to 28,290 would take you about seven hours.

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 28290 cubic inches would be around 2.5 feet tall.

Recreational maths with 28290

28290 backwards is 09282
The number of decimal digits it has is: 5
The sum of 28290's digits is 21
More coming soon!

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The information we have on file for 28290 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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