28743855

28,743,855 is an odd composite number composed of five prime numbers multiplied together.

What does the number 28743855 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 32 divisors.

28743855 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 28743855:

3 × 5 × 7 × 17 × 16103

See below for interesting mathematical facts about the number 28743855 from the Numbermatics database.

Names of 28743855

Cardinal: 28743855 can be written as Twenty-eight million, seven hundred forty-three thousand, eight hundred fifty-five.

Scientific notation

Scientific notation: 2.8743855 × 10⁷

Factors of 28743855

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 16135

Divisors of 28743855

Number of divisors d(n): 32
Complete list of divisors:
1 3 5 7 15 17 21 35 51 85 105 119 255 357 595 1785 16103 48309 80515 112721 241545 273751 338163 563605 821253 1368755 1690815 1916257 4106265 5748771 9581285 28743855
Sum of all divisors σ(n): 55655424
Sum of proper divisors (its aliquot sum) s(n): 26911569
28743855 is a deficient number, because the sum of its proper divisors (26911569) is less than itself. Its deficiency is 1832286

Bases of 28743855

Binary: 1101101101001100010101111₂
Hexadecimal: 0x1B698AF
Base-36: H42WF

Squares and roots of 28743855

28743855 squared (28743855²) is 826209200261025
28743855 cubed (28743855³) is 23748437451968864751375
The square root of 28743855 is 5361.3295925545
The cube root of 28743855 is 306.3244561435

Scales and comparisons

How big is 28743855?

28,743,855 seconds is equal to 47 weeks, 3 days, 16 hours, 24 minutes, 15 seconds.
To count from 1 to 28,743,855 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 28743855 cubic inches would be around 25.5 feet tall.

Recreational maths with 28743855

28743855 backwards is 55834782
The number of decimal digits it has is: 8
The sum of 28743855's digits is 42
More coming soon!

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The information we have on file for 28743855 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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