28028772

28,028,772 is an even composite number composed of four prime numbers multiplied together.

What does the number 28028772 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 36 divisors.

28028772 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-six divisors.

Prime factorization of 28028772:

2² × 3² × 103 × 7559

(2 × 2 × 3 × 3 × 103 × 7559)

See below for interesting mathematical facts about the number 28028772 from the Numbermatics database.

Names of 28028772

Cardinal: 28028772 can be written as Twenty-eight million, twenty-eight thousand, seven hundred seventy-two.

Scientific notation

Scientific notation: 2.8028772 × 10⁷

Factors of 28028772

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 7667

Divisors of 28028772

Number of divisors d(n): 36
Complete list of divisors:
1 2 3 4 6 9 12 18 36 103 206 309 412 618 927 1236 1854 3708 7559 15118 22677 30236 45354 68031 90708 136062 272124 778577 1557154 2335731 3114308 4671462 7007193 9342924 14014386 28028772
Sum of all divisors σ(n): 71547840
Sum of proper divisors (its aliquot sum) s(n): 43519068
28028772 is an abundant number, because the sum of its proper divisors (43519068) is greater than itself. Its abundance is 15490296

Bases of 28028772

Binary: 1101010111010111101100100₂
Hexadecimal: 0x1ABAF64
Base-36: GOR50

Squares and roots of 28028772

28028772 squared (28028772²) is 785612059827984
28028772 cubed (28028772³) is 22019741305368922755648
The square root of 28028772 is 5294.2206225279
The cube root of 28028772 is 303.7628719841

Scales and comparisons

How big is 28028772?

28,028,772 seconds is equal to 46 weeks, 2 days, 9 hours, 46 minutes, 12 seconds.
To count from 1 to 28,028,772 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 28028772 cubic inches would be around 25.3 feet tall.

Recreational maths with 28028772

28028772 backwards is 27782082
28028772 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 28028772's digits is 36
More coming soon!

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The information we have on file for 28028772 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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