28040724

28,040,724 is an even composite number composed of four prime numbers multiplied together.

What does the number 28040724 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 54 divisors.

28040724 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of fifty-four divisors.

Prime factorization of 28040724:

2² × 3² × 61 × 113²

(2 × 2 × 3 × 3 × 61 × 113 × 113)

See below for interesting mathematical facts about the number 28040724 from the Numbermatics database.

Names of 28040724

Cardinal: 28040724 can be written as Twenty-eight million, forty thousand, seven hundred twenty-four.

Scientific notation

Scientific notation: 2.8040724 × 10⁷

Factors of 28040724

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 179

Divisors of 28040724

Number of divisors d(n): 54
Complete list of divisors:
1 2 3 4 6 9 12 18 36 61 113 122 183 226 244 339 366 452 549 678 732 1017 1098 1356 2034 2196 4068 6893 12769 13786 20679 25538 27572 38307 41358 51076 62037 76614 82716 114921 124074 153228 229842 248148 459684 778909 1557818 2336727 3115636 4673454 7010181 9346908 14020362 28040724
Sum of all divisors σ(n): 72685886
Sum of proper divisors (its aliquot sum) s(n): 44645162
28040724 is an abundant number, because the sum of its proper divisors (44645162) is greater than itself. Its abundance is 16604438

Bases of 28040724

Binary: 1101010111101111000010100₂
Hexadecimal: 0x1ABDE14
Base-36: GP0D0

Squares and roots of 28040724

28040724 squared (28040724²) is 786282202444176
28040724 cubed (28040724³) is 22047922224849264623424
The square root of 28040724 is 5295.3492802647
The cube root of 28040724 is 303.8060425985

Scales and comparisons

How big is 28040724?

28,040,724 seconds is equal to 46 weeks, 2 days, 13 hours, 5 minutes, 24 seconds.
To count from 1 to 28,040,724 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 28040724 cubic inches would be around 25.3 feet tall.

Recreational maths with 28040724

28040724 backwards is 42704082
The number of decimal digits it has is: 8
The sum of 28040724's digits is 27
More coming soon!

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The information we have on file for 28040724 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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