28820816

28,820,816 is an even composite number composed of three prime numbers multiplied together.

What does the number 28820816 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 20 divisors.

28820816 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty divisors.

Prime factorization of 28820816:

2⁴ × 139 × 12959

(2 × 2 × 2 × 2 × 139 × 12959)

See below for interesting mathematical facts about the number 28820816 from the Numbermatics database.

Names of 28820816

Cardinal: 28820816 can be written as Twenty-eight million, eight hundred twenty thousand, eight hundred sixteen.

Scientific notation

Scientific notation: 2.8820816 × 10⁷

Factors of 28820816

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 6
Sum of prime factors: 13100

Divisors of 28820816

Number of divisors d(n): 20
Complete list of divisors:
1 2 4 8 16 139 278 556 1112 2224 12959 25918 51836 103672 207344 1801301 3602602 7205204 14410408 28820816
Sum of all divisors σ(n): 56246400
Sum of proper divisors (its aliquot sum) s(n): 27425584
28820816 is a deficient number, because the sum of its proper divisors (27425584) is less than itself. Its deficiency is 1395232

Bases of 28820816

Binary: 1101101111100010101010000₂
Hexadecimal: 0x1B7C550
Base-36: H5QA8

Squares and roots of 28820816

28820816 squared (28820816²) is 830639434905856
28820816 cubed (28820816³) is 23939706315765653098496
The square root of 28820816 is 5368.5022119767
The cube root of 28820816 is 306.5976046961

Scales and comparisons

How big is 28820816?

28,820,816 seconds is equal to 47 weeks, 4 days, 13 hours, 46 minutes, 56 seconds.
To count from 1 to 28,820,816 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 28820816 cubic inches would be around 25.5 feet tall.

Recreational maths with 28820816

28820816 backwards is 61802882
The number of decimal digits it has is: 8
The sum of 28820816's digits is 35
More coming soon!

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The information we have on file for 28820816 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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