28155760

28,155,760 is an even composite number composed of four prime numbers multiplied together.

What does the number 28155760 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 40 divisors.

28155760 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty divisors.

Prime factorization of 28155760:

2⁴ × 5 × 71 × 4957

(2 × 2 × 2 × 2 × 5 × 71 × 4957)

See below for interesting mathematical facts about the number 28155760 from the Numbermatics database.

Names of 28155760

Cardinal: 28155760 can be written as Twenty-eight million, one hundred fifty-five thousand, seven hundred sixty.

Scientific notation

Scientific notation: 2.815576 × 10⁷

Factors of 28155760

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 5035

Divisors of 28155760

Number of divisors d(n): 40
Complete list of divisors:
1 2 4 5 8 10 16 20 40 71 80 142 284 355 568 710 1136 1420 2840 4957 5680 9914 19828 24785 39656 49570 79312 99140 198280 351947 396560 703894 1407788 1759735 2815576 3519470 5631152 7038940 14077880 28155760
Sum of all divisors σ(n): 66397536
Sum of proper divisors (its aliquot sum) s(n): 38241776
28155760 is an abundant number, because the sum of its proper divisors (38241776) is greater than itself. Its abundance is 10086016

Bases of 28155760

Binary: 1101011011001111101110000₂
Hexadecimal: 0x1AD9F70
Base-36: GRH4G

Squares and roots of 28155760

28155760 squared (28155760²) is 792746821177600
28155760 cubed (28155760³) is 22320389237839422976000
The square root of 28155760 is 5306.2001469979
The cube root of 28155760 is 304.2209266641

Scales and comparisons

How big is 28155760?

28,155,760 seconds is equal to 46 weeks, 3 days, 21 hours, 2 minutes, 40 seconds.
To count from 1 to 28,155,760 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 28155760 cubic inches would be around 25.4 feet tall.

Recreational maths with 28155760

28155760 backwards is 06755182
The number of decimal digits it has is: 8
The sum of 28155760's digits is 34
More coming soon!

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The information we have on file for 28155760 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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