28989687

28,989,687 is an odd composite number composed of four prime numbers multiplied together.

What does the number 28989687 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

28989687 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 28989687:

3 × 19 × 73 × 6967

See below for interesting mathematical facts about the number 28989687 from the Numbermatics database.

Names of 28989687

Cardinal: 28989687 can be written as Twenty-eight million, nine hundred eighty-nine thousand, six hundred eighty-seven.

Scientific notation

Scientific notation: 2.8989687 × 10⁷

Factors of 28989687

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 7062

Divisors of 28989687

Number of divisors d(n): 16
Complete list of divisors:
1 3 19 57 73 219 1387 4161 6967 20901 132373 397119 508591 1525773 9663229 28989687
Sum of all divisors σ(n): 41250560
Sum of proper divisors (its aliquot sum) s(n): 12260873
28989687 is a deficient number, because the sum of its proper divisors (12260873) is less than itself. Its deficiency is 16728814

Bases of 28989687

Binary: 1101110100101100011110111₂
Hexadecimal: 0x1BA58F7
Base-36: H9CL3

Squares and roots of 28989687

28989687 squared (28989687²) is 840401952357969
28989687 cubed (28989687³) is 24362989553046433265703
The square root of 28989687 is 5384.2071839781
The cube root of 28989687 is 307.1952589363

Scales and comparisons

How big is 28989687?

28,989,687 seconds is equal to 47 weeks, 6 days, 12 hours, 41 minutes, 27 seconds.
To count from 1 to 28,989,687 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 28989687 cubic inches would be around 25.6 feet tall.

Recreational maths with 28989687

28989687 backwards is 78698982
28989687 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 28989687's digits is 57
More coming soon!

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The information we have on file for 28989687 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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