28000072

28,000,072 is an even composite number composed of three prime numbers multiplied together.

What does the number 28000072 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 16 divisors.

28000072 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 28000072:

2³ × 19 × 184211

(2 × 2 × 2 × 19 × 184211)

See below for interesting mathematical facts about the number 28000072 from the Numbermatics database.

Names of 28000072

Cardinal: 28000072 can be written as Twenty-eight million and seventy-two.

Scientific notation

Scientific notation: 2.8000072 × 10⁷

Factors of 28000072

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 184232

Divisors of 28000072

Number of divisors d(n): 16
Complete list of divisors:
1 2 4 8 19 38 76 152 184211 368422 736844 1473688 3500009 7000018 14000036 28000072
Sum of all divisors σ(n): 55263600
Sum of proper divisors (its aliquot sum) s(n): 27263528
28000072 is a deficient number, because the sum of its proper divisors (27263528) is less than itself. Its deficiency is 736544

Bases of 28000072

Binary: 1101010110011111101001000₂
Hexadecimal: 0x1AB3F48
Base-36: GO4ZS

Squares and roots of 28000072

28000072 squared (28000072²) is 784004032005184
28000072 cubed (28000072³) is 21952169344435456373248
The square root of 28000072 is 5291.5094254855
The cube root of 28000072 is 303.6591574663

Scales and comparisons

How big is 28000072?

28,000,072 seconds is equal to 46 weeks, 2 days, 1 hour, 47 minutes, 52 seconds.
To count from 1 to 28,000,072 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 28000072 cubic inches would be around 25.3 feet tall.

Recreational maths with 28000072

28000072 backwards is 27000082
28000072 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 28000072's digits is 19
More coming soon!

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The information we have on file for 28000072 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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