28708736

28,708,736 is an even composite number composed of three prime numbers multiplied together.

What does the number 28708736 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 48 divisors.

28708736 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 28708736:

2⁷ × 7 × 179²

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 179 × 179)

See below for interesting mathematical facts about the number 28708736 from the Numbermatics database.

Names of 28708736

Cardinal: 28708736 can be written as Twenty-eight million, seven hundred eight thousand, seven hundred thirty-six.

Scientific notation

Scientific notation: 2.8708736 × 10⁷

Factors of 28708736

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 10
Sum of prime factors: 188

Divisors of 28708736

Number of divisors d(n): 48
Complete list of divisors:
1 2 4 7 8 14 16 28 32 56 64 112 128 179 224 358 448 716 896 1253 1432 2506 2864 5012 5728 10024 11456 20048 22912 32041 40096 64082 80192 128164 160384 224287 256328 448574 512656 897148 1025312 1794296 2050624 3588592 4101248 7177184 14354368 28708736
Sum of all divisors σ(n): 65730840
Sum of proper divisors (its aliquot sum) s(n): 37022104
28708736 is an abundant number, because the sum of its proper divisors (37022104) is greater than itself. Its abundance is 8313368

Bases of 28708736

Binary: 1101101100000111110000000₂
Hexadecimal: 0x1B60F80
Base-36: H3BSW

Squares and roots of 28708736

28708736 squared (28708736²) is 824191522717696
28708736 cubed (28708736³) is 23661496839140336992256
The square root of 28708736 is 5358.0533778603
The cube root of 28708736 is 306.1996504205

Scales and comparisons

How big is 28708736?

28,708,736 seconds is equal to 47 weeks, 3 days, 6 hours, 38 minutes, 56 seconds.
To count from 1 to 28,708,736 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 28708736 cubic inches would be around 25.5 feet tall.

Recreational maths with 28708736

28708736 backwards is 63780782
The number of decimal digits it has is: 8
The sum of 28708736's digits is 41
More coming soon!

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The information we have on file for 28708736 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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