28561995

28,561,995 is an odd composite number composed of five prime numbers multiplied together.

What does the number 28561995 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 48 divisors.

28561995 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 28561995:

3² × 5 × 7 × 11 × 8243

(3 × 3 × 5 × 7 × 11 × 8243)

See below for interesting mathematical facts about the number 28561995 from the Numbermatics database.

Names of 28561995

Cardinal: 28561995 can be written as Twenty-eight million, five hundred sixty-one thousand, nine hundred ninety-five.

Scientific notation

Scientific notation: 2.8561995 × 10⁷

Factors of 28561995

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 8269

Divisors of 28561995

Number of divisors d(n): 48
Complete list of divisors:
1 3 5 7 9 11 15 21 33 35 45 55 63 77 99 105 165 231 315 385 495 693 1155 3465 8243 24729 41215 57701 74187 90673 123645 173103 272019 288505 370935 453365 519309 634711 816057 865515 1360095 1904133 2596545 3173555 4080285 5712399 9520665 28561995
Sum of all divisors σ(n): 61731072
Sum of proper divisors (its aliquot sum) s(n): 33169077
28561995 is an abundant number, because the sum of its proper divisors (33169077) is greater than itself. Its abundance is 4607082

Bases of 28561995

Binary: 1101100111101001001001011₂
Hexadecimal: 0x1B3D24B
Base-36: H06KR

Squares and roots of 28561995

28561995 squared (28561995²) is 815787558380025
28561995 cubed (28561995³) is 23300520163512482149875
The square root of 28561995 is 5344.3423355919
The cube root of 28561995 is 305.6770590181

Scales and comparisons

How big is 28561995?

28,561,995 seconds is equal to 47 weeks, 1 day, 13 hours, 53 minutes, 15 seconds.
To count from 1 to 28,561,995 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 28561995 cubic inches would be around 25.5 feet tall.

Recreational maths with 28561995

28561995 backwards is 59916582
28561995 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 28561995's digits is 45
More coming soon!

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The information we have on file for 28561995 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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