28261828

28,261,828 is an even composite number composed of three prime numbers multiplied together.

What does the number 28261828 look like?

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

28261828 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 28261828:

2² × 7³ × 20599

(2 × 2 × 7 × 7 × 7 × 20599)

See below for interesting mathematical facts about the number 28261828 from the Numbermatics database.

Names of 28261828

Cardinal: 28261828 can be written as Twenty-eight million, two hundred sixty-one thousand, eight hundred twenty-eight.

Scientific notation

Scientific notation: 2.8261828 × 10⁷

Factors of 28261828

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 6
Sum of prime factors: 20608

Divisors of 28261828

Number of divisors d(n): 24
Complete list of divisors:
1 2 4 7 14 28 49 98 196 343 686 1372 20599 41198 82396 144193 288386 576772 1009351 2018702 4037404 7065457 14130914 28261828
Sum of all divisors σ(n): 57680000
Sum of proper divisors (its aliquot sum) s(n): 29418172
28261828 is an abundant number, because the sum of its proper divisors (29418172) is greater than itself. Its abundance is 1156344

Bases of 28261828

Binary: 1101011110011110111000100₂
Hexadecimal: 0x1AF3DC4
Base-36: GTQYS

Squares and roots of 28261828

28261828 squared (28261828²) is 798730921901584
28261828 cubed (28261828³) is 22573595933063999935552
The square root of 28261828 is 5316.1854745673
The cube root of 28261828 is 304.6024669463

Scales and comparisons

How big is 28261828?

28,261,828 seconds is equal to 46 weeks, 5 days, 2 hours, 30 minutes, 28 seconds.
To count from 1 to 28,261,828 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 28261828 cubic inches would be around 25.4 feet tall.

Recreational maths with 28261828

28261828 backwards is 82816282
The number of decimal digits it has is: 8
The sum of 28261828's digits is 37
More coming soon!

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The information we have on file for 28261828 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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