28291375

28,291,375 is an odd composite number composed of four prime numbers multiplied together.

What does the number 28291375 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 48 divisors.

28291375 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 28291375:

5³ × 7² × 31 × 149

(5 × 5 × 5 × 7 × 7 × 31 × 149)

See below for interesting mathematical facts about the number 28291375 from the Numbermatics database.

Names of 28291375

Cardinal: 28291375 can be written as Twenty-eight million, two hundred ninety-one thousand, three hundred seventy-five.

Scientific notation

Scientific notation: 2.8291375 × 10⁷

Factors of 28291375

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 192

Divisors of 28291375

Number of divisors d(n): 48
Complete list of divisors:
1 5 7 25 31 35 49 125 149 155 175 217 245 745 775 875 1043 1085 1225 1519 3725 3875 4619 5215 5425 6125 7301 7595 18625 23095 26075 27125 32333 36505 37975 115475 130375 161665 182525 189875 226331 577375 808325 912625 1131655 4041625 5658275 28291375
Sum of all divisors σ(n): 42681600
Sum of proper divisors (its aliquot sum) s(n): 14390225
28291375 is a deficient number, because the sum of its proper divisors (14390225) is less than itself. Its deficiency is 13901150

Bases of 28291375

Binary: 1101011111011000100101111₂
Hexadecimal: 0x1AFB12F
Base-36: GUDRJ

Squares and roots of 28291375

28291375 squared (28291375²) is 800401899390625
28291375 cubed (28291375³) is 22644470286372443359375
The square root of 28291375 is 5318.9637148603
The cube root of 28291375 is 304.7085812721

Scales and comparisons

How big is 28291375?

28,291,375 seconds is equal to 46 weeks, 5 days, 10 hours, 42 minutes, 55 seconds.
To count from 1 to 28,291,375 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 28291375 cubic inches would be around 25.4 feet tall.

Recreational maths with 28291375

28291375 backwards is 57319282
The number of decimal digits it has is: 8
The sum of 28291375's digits is 37
More coming soon!

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The information we have on file for 28291375 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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