28467729

28,467,729 is an odd composite number composed of three prime numbers multiplied together.

What does the number 28467729 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

28467729 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 28467729:

3² × 79 × 40039

(3 × 3 × 79 × 40039)

See below for interesting mathematical facts about the number 28467729 from the Numbermatics database.

Names of 28467729

Cardinal: 28467729 can be written as Twenty-eight million, four hundred sixty-seven thousand, seven hundred twenty-nine.

Scientific notation

Scientific notation: 2.8467729 × 10⁷

Factors of 28467729

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 40121

Divisors of 28467729

Number of divisors d(n): 12
Complete list of divisors:
1 3 9 79 237 711 40039 120117 360351 3163081 9489243 28467729
Sum of all divisors σ(n): 41641600
Sum of proper divisors (its aliquot sum) s(n): 13173871
28467729 is a deficient number, because the sum of its proper divisors (13173871) is less than itself. Its deficiency is 15293858

Bases of 28467729

Binary: 1101100100110001000010001₂
Hexadecimal: 0x1B26211
Base-36: GY5U9

Squares and roots of 28467729

28467729 squared (28467729²) is 810411594417441
28467729 cubed (28467729³) is 23070577648333623261489
The square root of 28467729 is 5335.5158138647
The cube root of 28467729 is 305.3404028871

Scales and comparisons

How big is 28467729?

28,467,729 seconds is equal to 47 weeks, 11 hours, 42 minutes, 9 seconds.
To count from 1 to 28,467,729 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 28467729 cubic inches would be around 25.4 feet tall.

Recreational maths with 28467729

28467729 backwards is 92776482
The number of decimal digits it has is: 8
The sum of 28467729's digits is 45
More coming soon!

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The information we have on file for 28467729 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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