28120689

28,120,689 is an odd composite number composed of three prime numbers multiplied together.

What does the number 28120689 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 24 divisors.

28120689 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 28120689:

3⁵ × 31 × 3733

(3 × 3 × 3 × 3 × 3 × 31 × 3733)

See below for interesting mathematical facts about the number 28120689 from the Numbermatics database.

Names of 28120689

Cardinal: 28120689 can be written as Twenty-eight million, one hundred twenty thousand, six hundred eighty-nine.

Scientific notation

Scientific notation: 2.8120689 × 10⁷

Factors of 28120689

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 7
Sum of prime factors: 3767

Divisors of 28120689

Number of divisors d(n): 24
Complete list of divisors:
1 3 9 27 31 81 93 243 279 837 2511 3733 7533 11199 33597 100791 115723 302373 347169 907119 1041507 3124521 9373563 28120689
Sum of all divisors σ(n): 43493632
Sum of proper divisors (its aliquot sum) s(n): 15372943
28120689 is a deficient number, because the sum of its proper divisors (15372943) is less than itself. Its deficiency is 12747746

Bases of 28120689

Binary: 1101011010001011001110001₂
Hexadecimal: 0x1AD1671
Base-36: GQQ29

Squares and roots of 28120689

28120689 squared (28120689²) is 790773149834721
28120689 cubed (28120689³) is 22237085816052590642769
The square root of 28120689 is 5302.8943983451
The cube root of 28120689 is 304.0945609861

Scales and comparisons

How big is 28120689?

28,120,689 seconds is equal to 46 weeks, 3 days, 11 hours, 18 minutes, 9 seconds.
To count from 1 to 28,120,689 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 28120689 cubic inches would be around 25.3 feet tall.

Recreational maths with 28120689

28120689 backwards is 98602182
The number of decimal digits it has is: 8
The sum of 28120689's digits is 36
More coming soon!

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The information we have on file for 28120689 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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