28499728

28,499,728 is an even composite number composed of two prime numbers multiplied together.

What does the number 28499728 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 10 divisors.

28499728 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of ten divisors.

Prime factorization of 28499728:

2⁴ × 1781233

(2 × 2 × 2 × 2 × 1781233)

See below for interesting mathematical facts about the number 28499728 from the Numbermatics database.

Names of 28499728

Cardinal: 28499728 can be written as Twenty-eight million, four hundred ninety-nine thousand, seven hundred twenty-eight.

Scientific notation

Scientific notation: 2.8499728 × 10⁷

Factors of 28499728

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 5
Sum of prime factors: 1781235

Divisors of 28499728

Number of divisors d(n): 10
Complete list of divisors:
1 2 4 8 16 1781233 3562466 7124932 14249864 28499728
Sum of all divisors σ(n): 55218254
Sum of proper divisors (its aliquot sum) s(n): 26718526
28499728 is a deficient number, because the sum of its proper divisors (26718526) is less than itself. Its deficiency is 1781202

Bases of 28499728

Binary: 1101100101101111100010000₂
Hexadecimal: 0x1B2DF10
Base-36: GYUJ4

Squares and roots of 28499728

28499728 squared (28499728²) is 812234496073984
28499728 cubed (28499728³) is 23148462210325611876352
The square root of 28499728 is 5338.5136508207
The cube root of 28499728 is 305.4547654691

Scales and comparisons

How big is 28499728?

28,499,728 seconds is equal to 47 weeks, 20 hours, 35 minutes, 28 seconds.
To count from 1 to 28,499,728 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 28499728 cubic inches would be around 25.5 feet tall.

Recreational maths with 28499728

28499728 backwards is 82799482
The number of decimal digits it has is: 8
The sum of 28499728's digits is 49
More coming soon!

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The information we have on file for 28499728 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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