28389330

28,389,330 is an even composite number composed of four prime numbers multiplied together.

What does the number 28389330 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

28389330 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 28389330:

2 × 3² × 5 × 315437

(2 × 3 × 3 × 5 × 315437)

See below for interesting mathematical facts about the number 28389330 from the Numbermatics database.

Names of 28389330

Cardinal: 28389330 can be written as Twenty-eight million, three hundred eighty-nine thousand, three hundred thirty.

Scientific notation

Scientific notation: 2.838933 × 10⁷

Factors of 28389330

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 315447

Divisors of 28389330

Number of divisors d(n): 24
Complete list of divisors:
1 2 3 5 6 9 10 15 18 30 45 90 315437 630874 946311 1577185 1892622 2838933 3154370 4731555 5677866 9463110 14194665 28389330
Sum of all divisors σ(n): 73812492
Sum of proper divisors (its aliquot sum) s(n): 45423162
28389330 is an abundant number, because the sum of its proper divisors (45423162) is greater than itself. Its abundance is 17033832

Bases of 28389330

Binary: 1101100010010111111010010₂
Hexadecimal: 0x1B12FD2
Base-36: GWHCI

Squares and roots of 28389330

28389330 squared (28389330²) is 805954057848900
28389330 cubed (28389330³) is 22880495713111512237000
The square root of 28389330 is 5328.1638488317
The cube root of 28389330 is 305.0598467171

Scales and comparisons

How big is 28389330?

28,389,330 seconds is equal to 46 weeks, 6 days, 13 hours, 55 minutes, 30 seconds.
To count from 1 to 28,389,330 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 28389330 cubic inches would be around 25.4 feet tall.

Recreational maths with 28389330

28389330 backwards is 03398382
The number of decimal digits it has is: 8
The sum of 28389330's digits is 36
More coming soon!

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The information we have on file for 28389330 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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