28209807

28,209,807 is an odd composite number composed of three prime numbers multiplied together.

What does the number 28209807 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 18 divisors.

28209807 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eighteen divisors.

Prime factorization of 28209807:

3² × 137² × 167

(3 × 3 × 137 × 137 × 167)

See below for interesting mathematical facts about the number 28209807 from the Numbermatics database.

Names of 28209807

Cardinal: 28209807 can be written as Twenty-eight million, two hundred nine thousand, eight hundred seven.

Scientific notation

Scientific notation: 2.8209807 × 10⁷

Factors of 28209807

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 307

Divisors of 28209807

Number of divisors d(n): 18
Complete list of divisors:
1 3 9 137 167 411 501 1233 1503 18769 22879 56307 68637 168921 205911 3134423 9403269 28209807
Sum of all divisors σ(n): 41292888
Sum of proper divisors (its aliquot sum) s(n): 13083081
28209807 is a deficient number, because the sum of its proper divisors (13083081) is less than itself. Its deficiency is 15126726

Bases of 28209807

Binary: 1101011100111001010001111₂
Hexadecimal: 0x1AE728F
Base-36: GSMTR

Squares and roots of 28209807

28209807 squared (28209807²) is 795793210977249
28209807 cubed (28209807³) is 22449172893578475680943
The square root of 28209807 is 5311.2905211449
The cube root of 28209807 is 304.4154602037

Scales and comparisons

How big is 28209807?

28,209,807 seconds is equal to 46 weeks, 4 days, 12 hours, 3 minutes, 27 seconds.
To count from 1 to 28,209,807 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 28209807 cubic inches would be around 25.4 feet tall.

Recreational maths with 28209807

28209807 backwards is 70890282
The number of decimal digits it has is: 8
The sum of 28209807's digits is 36
More coming soon!

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The information we have on file for 28209807 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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