28133920

28,133,920 is an even composite number composed of three prime numbers multiplied together.

What does the number 28133920 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 24 divisors.

28133920 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 28133920:

2⁵ × 5 × 175837

(2 × 2 × 2 × 2 × 2 × 5 × 175837)

See below for interesting mathematical facts about the number 28133920 from the Numbermatics database.

Names of 28133920

Cardinal: 28133920 can be written as Twenty-eight million, one hundred thirty-three thousand, nine hundred twenty.

Scientific notation

Scientific notation: 2.813392 × 10⁷

Factors of 28133920

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 7
Sum of prime factors: 175844

Divisors of 28133920

Number of divisors d(n): 24
Complete list of divisors:
1 2 4 5 8 10 16 20 32 40 80 160 175837 351674 703348 879185 1406696 1758370 2813392 3516740 5626784 7033480 14066960 28133920
Sum of all divisors σ(n): 66466764
Sum of proper divisors (its aliquot sum) s(n): 38332844
28133920 is an abundant number, because the sum of its proper divisors (38332844) is greater than itself. Its abundance is 10198924

Bases of 28133920

Binary: 1101011010100101000100000₂
Hexadecimal: 0x1AD4A20
Base-36: GR09S

Squares and roots of 28133920

28133920 squared (28133920²) is 791517454566400
28133920 cubed (28133920³) is 22268488745374732288000
The square root of 28133920 is 5304.1417778939
The cube root of 28133920 is 304.1422464497

Scales and comparisons

How big is 28133920?

28,133,920 seconds is equal to 46 weeks, 3 days, 14 hours, 58 minutes, 40 seconds.
To count from 1 to 28,133,920 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 28133920 cubic inches would be around 25.3 feet tall.

Recreational maths with 28133920

28133920 backwards is 02933182
The number of decimal digits it has is: 8
The sum of 28133920's digits is 28
More coming soon!

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The information we have on file for 28133920 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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