28515400

28,515,400 is an even composite number composed of four prime numbers multiplied together.

What does the number 28515400 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 48 divisors.

28515400 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 28515400:

2³ × 5² × 23 × 6199

(2 × 2 × 2 × 5 × 5 × 23 × 6199)

See below for interesting mathematical facts about the number 28515400 from the Numbermatics database.

Names of 28515400

Cardinal: 28515400 can be written as Twenty-eight million, five hundred fifteen thousand, four hundred.

Scientific notation

Scientific notation: 2.85154 × 10⁷

Factors of 28515400

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 6229

Divisors of 28515400

Number of divisors d(n): 48
Complete list of divisors:
1 2 4 5 8 10 20 23 25 40 46 50 92 100 115 184 200 230 460 575 920 1150 2300 4600 6199 12398 24796 30995 49592 61990 123980 142577 154975 247960 285154 309950 570308 619900 712885 1140616 1239800 1425770 2851540 3564425 5703080 7128850 14257700 28515400
Sum of all divisors σ(n): 69192000
Sum of proper divisors (its aliquot sum) s(n): 40676600
28515400 is an abundant number, because the sum of its proper divisors (40676600) is greater than itself. Its abundance is 12161200

Bases of 28515400

Binary: 1101100110001110001001000₂
Hexadecimal: 0x1B31C48
Base-36: GZ6MG

Squares and roots of 28515400

28515400 squared (28515400²) is 813128037160000
28515400 cubed (28515400³) is 23186671230832264000000
The square root of 28515400 is 5339.9812733757
The cube root of 28515400 is 305.5107450663

Scales and comparisons

How big is 28515400?

28,515,400 seconds is equal to 47 weeks, 1 day, 56 minutes, 40 seconds.
To count from 1 to 28,515,400 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 28515400 cubic inches would be around 25.5 feet tall.

Recreational maths with 28515400

28515400 backwards is 00451582
28515400 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 28515400's digits is 25
More coming soon!

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The information we have on file for 28515400 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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