28072807

28,072,807 is an odd composite number composed of four prime numbers multiplied together.

What does the number 28072807 look like?

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

28072807 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 28072807:

7 × 73 × 137 × 401

See below for interesting mathematical facts about the number 28072807 from the Numbermatics database.

Names of 28072807

Cardinal: 28072807 can be written as Twenty-eight million, seventy-two thousand, eight hundred seven.

Scientific notation

Scientific notation: 2.8072807 × 10⁷

Factors of 28072807

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 618

Divisors of 28072807

Number of divisors d(n): 16
Complete list of divisors:
1 7 73 137 401 511 959 2807 10001 29273 54937 70007 204911 384559 4010401 28072807
Sum of all divisors σ(n): 32841792
Sum of proper divisors (its aliquot sum) s(n): 4768985
28072807 is a deficient number, because the sum of its proper divisors (4768985) is less than itself. Its deficiency is 23303822

Bases of 28072807

Binary: 1101011000101101101100111₂
Hexadecimal: 0x1AC5B67
Base-36: GPP47

Squares and roots of 28072807

28072807 squared (28072807²) is 788082492859249
28072807 cubed (28072807³) is 22123687722116575341943
The square root of 28072807 is 5298.3777706011
The cube root of 28072807 is 303.9218657403

Scales and comparisons

How big is 28072807?

28,072,807 seconds is equal to 46 weeks, 2 days, 22 hours, 7 seconds.
To count from 1 to 28,072,807 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 28072807 cubic inches would be around 25.3 feet tall.

Recreational maths with 28072807

28072807 backwards is 70827082
The number of decimal digits it has is: 8
The sum of 28072807's digits is 34
More coming soon!

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The information we have on file for 28072807 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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