28709628

28,709,628 is an even composite number composed of three prime numbers multiplied together.

What does the number 28709628 look like?

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

28709628 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 28709628:

2² × 3 × 2392469

(2 × 2 × 3 × 2392469)

See below for interesting mathematical facts about the number 28709628 from the Numbermatics database.

Names of 28709628

Cardinal: 28709628 can be written as Twenty-eight million, seven hundred nine thousand, six hundred twenty-eight.

Scientific notation

Scientific notation: 2.8709628 × 10⁷

Factors of 28709628

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 2392474

Divisors of 28709628

Number of divisors d(n): 12
Complete list of divisors:
1 2 3 4 6 12 2392469 4784938 7177407 9569876 14354814 28709628
Sum of all divisors σ(n): 66989160
Sum of proper divisors (its aliquot sum) s(n): 38279532
28709628 is an abundant number, because the sum of its proper divisors (38279532) is greater than itself. Its abundance is 9569904

Bases of 28709628

Binary: 1101101100001001011111100₂
Hexadecimal: 0x1B612FC
Base-36: H3CHO

Squares and roots of 28709628

28709628 squared (28709628²) is 824242739898384
28709628 cubed (28709628³) is 23663702444183362441152
The square root of 28709628 is 5358.1366163993
The cube root of 28709628 is 306.2028216649

Scales and comparisons

How big is 28709628?

28,709,628 seconds is equal to 47 weeks, 3 days, 6 hours, 53 minutes, 48 seconds.
To count from 1 to 28,709,628 would take you about nineteen 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 28709628 cubic inches would be around 25.5 feet tall.

Recreational maths with 28709628

28709628 backwards is 82690782
The number of decimal digits it has is: 8
The sum of 28709628's digits is 42
More coming soon!

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The information we have on file for 28709628 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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