28162720

28,162,720 is an even composite number composed of three prime numbers multiplied together.

What does the number 28162720 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 24 divisors.

28162720 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 28162720:

2⁵ × 5 × 176017

(2 × 2 × 2 × 2 × 2 × 5 × 176017)

See below for interesting mathematical facts about the number 28162720 from the Numbermatics database.

Names of 28162720

Cardinal: 28162720 can be written as Twenty-eight million, one hundred sixty-two thousand, seven hundred twenty.

Scientific notation

Scientific notation: 2.816272 × 10⁷

Factors of 28162720

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 7
Sum of prime factors: 176024

Divisors of 28162720

Number of divisors d(n): 24
Complete list of divisors:
1 2 4 5 8 10 16 20 32 40 80 160 176017 352034 704068 880085 1408136 1760170 2816272 3520340 5632544 7040680 14081360 28162720
Sum of all divisors σ(n): 66534804
Sum of proper divisors (its aliquot sum) s(n): 38372084
28162720 is an abundant number, because the sum of its proper divisors (38372084) is greater than itself. Its abundance is 10209364

Bases of 28162720

Binary: 1101011011011101010100000₂
Hexadecimal: 0x1ADBAA0
Base-36: GRMHS

Squares and roots of 28162720

28162720 squared (28162720²) is 793138797798400
28162720 cubed (28162720³) is 22336945883532955648000
The square root of 28162720 is 5306.8559430231
The cube root of 28162720 is 304.2459920293

Scales and comparisons

How big is 28162720?

28,162,720 seconds is equal to 46 weeks, 3 days, 22 hours, 58 minutes, 40 seconds.
To count from 1 to 28,162,720 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 28162720 cubic inches would be around 25.4 feet tall.

Recreational maths with 28162720

28162720 backwards is 02726182
The number of decimal digits it has is: 8
The sum of 28162720's digits is 28
More coming soon!

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The information we have on file for 28162720 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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