28555840

28,555,840 is an even composite number composed of three prime numbers multiplied together.

What does the number 28555840 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 28 divisors.

28555840 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty-eight divisors.

Prime factorization of 28555840:

2⁶ × 5 × 89237

(2 × 2 × 2 × 2 × 2 × 2 × 5 × 89237)

See below for interesting mathematical facts about the number 28555840 from the Numbermatics database.

Names of 28555840

Cardinal: 28555840 can be written as Twenty-eight million, five hundred fifty-five thousand, eight hundred forty.

Scientific notation

Scientific notation: 2.855584 × 10⁷

Factors of 28555840

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 8
Sum of prime factors: 89244

Divisors of 28555840

Number of divisors d(n): 28
Complete list of divisors:
1 2 4 5 8 10 16 20 32 40 64 80 160 320 89237 178474 356948 446185 713896 892370 1427792 1784740 2855584 3569480 5711168 7138960 14277920 28555840
Sum of all divisors σ(n): 67999356
Sum of proper divisors (its aliquot sum) s(n): 39443516
28555840 is an abundant number, because the sum of its proper divisors (39443516) is greater than itself. Its abundance is 10887676

Bases of 28555840

Binary: 1101100111011101001000000₂
Hexadecimal: 0x1B3BA40
Base-36: H01TS

Squares and roots of 28555840

28555840 squared (28555840²) is 815435998105600
28555840 cubed (28555840³) is 23285459892143816704000
The square root of 28555840 is 5343.7664619629
The cube root of 28555840 is 305.6551000307

Scales and comparisons

How big is 28555840?

28,555,840 seconds is equal to 47 weeks, 1 day, 12 hours, 10 minutes, 40 seconds.
To count from 1 to 28,555,840 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 28555840 cubic inches would be around 25.5 feet tall.

Recreational maths with 28555840

28555840 backwards is 04855582
The number of decimal digits it has is: 8
The sum of 28555840's digits is 37
More coming soon!

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The information we have on file for 28555840 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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