28356642

28,356,642 is an even composite number composed of three prime numbers multiplied together.

What does the number 28356642 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 36 divisors.

28356642 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of thirty-six divisors.

Prime factorization of 28356642:

2 × 3⁸ × 2161

(2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 2161)

See below for interesting mathematical facts about the number 28356642 from the Numbermatics database.

Names of 28356642

Cardinal: 28356642 can be written as Twenty-eight million, three hundred fifty-six thousand, six hundred forty-two.

Scientific notation

Scientific notation: 2.8356642 × 10⁷

Factors of 28356642

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 10
Sum of prime factors: 2166

Divisors of 28356642

Number of divisors d(n): 36
Complete list of divisors:
1 2 3 6 9 18 27 54 81 162 243 486 729 1458 2161 2187 4322 4374 6483 6561 12966 13122 19449 38898 58347 116694 175041 350082 525123 1050246 1575369 3150738 4726107 9452214 14178321 28356642
Sum of all divisors σ(n): 63828726
Sum of proper divisors (its aliquot sum) s(n): 35472084
28356642 is an abundant number, because the sum of its proper divisors (35472084) is greater than itself. Its abundance is 7115442

Bases of 28356642

Binary: 1101100001011000000100010₂
Hexadecimal: 0x1B0B022
Base-36: GVS4I

Squares and roots of 28356642

28356642 squared (28356642²) is 804099145516164
28356642 cubed (28356642³) is 22801551601907767761288
The square root of 28356642 is 5325.0954921015
The cube root of 28356642 is 304.9427178997

Scales and comparisons

How big is 28356642?

28,356,642 seconds is equal to 46 weeks, 6 days, 4 hours, 50 minutes, 42 seconds.
To count from 1 to 28,356,642 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 28356642 cubic inches would be around 25.4 feet tall.

Recreational maths with 28356642

28356642 backwards is 24665382
The number of decimal digits it has is: 8
The sum of 28356642's digits is 36
More coming soon!

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The information we have on file for 28356642 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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