28718172

28,718,172 is an even composite number composed of four prime numbers multiplied together.

What does the number 28718172 look like?

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

28718172 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 28718172:

2² × 3³ × 7 × 37987

(2 × 2 × 3 × 3 × 3 × 7 × 37987)

See below for interesting mathematical facts about the number 28718172 from the Numbermatics database.

Names of 28718172

Cardinal: 28718172 can be written as Twenty-eight million, seven hundred eighteen thousand, one hundred seventy-two.

Scientific notation

Scientific notation: 2.8718172 × 10⁷

Factors of 28718172

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 37999

Divisors of 28718172

Number of divisors d(n): 48
Complete list of divisors:
1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 252 378 756 37987 75974 113961 151948 227922 265909 341883 455844 531818 683766 797727 1025649 1063636 1367532 1595454 2051298 2393181 3190908 4102596 4786362 7179543 9572724 14359086 28718172
Sum of all divisors σ(n): 85093120
Sum of proper divisors (its aliquot sum) s(n): 56374948
28718172 is an abundant number, because the sum of its proper divisors (56374948) is greater than itself. Its abundance is 27656776

Bases of 28718172

Binary: 1101101100011010001011100₂
Hexadecimal: 0x1B6345C
Base-36: H3J30

Squares and roots of 28718172

28718172 squared (28718172²) is 824733403021584
28718172 cubed (28718172³) is 23684835722119169024448
The square root of 28718172 is 5358.9338491905
The cube root of 28718172 is 306.2331940243

Scales and comparisons

How big is 28718172?

28,718,172 seconds is equal to 47 weeks, 3 days, 9 hours, 16 minutes, 12 seconds.
To count from 1 to 28,718,172 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 28718172 cubic inches would be around 25.5 feet tall.

Recreational maths with 28718172

28718172 backwards is 27181782
28718172 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 28718172's digits is 36
More coming soon!

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The information we have on file for 28718172 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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