28072400

28,072,400 is an even composite number composed of three prime numbers multiplied together.

What does the number 28072400 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 30 divisors.

28072400 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of thirty divisors.

Prime factorization of 28072400:

2⁴ × 5² × 70181

(2 × 2 × 2 × 2 × 5 × 5 × 70181)

See below for interesting mathematical facts about the number 28072400 from the Numbermatics database.

Names of 28072400

Cardinal: 28072400 can be written as Twenty-eight million, seventy-two thousand, four hundred.

Scientific notation

Scientific notation: 2.80724 × 10⁷

Factors of 28072400

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 7
Sum of prime factors: 70188

Divisors of 28072400

Number of divisors d(n): 30
Complete list of divisors:
1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 70181 140362 280724 350905 561448 701810 1122896 1403620 1754525 2807240 3509050 5614480 7018100 14036200 28072400
Sum of all divisors σ(n): 67444902
Sum of proper divisors (its aliquot sum) s(n): 39372502
28072400 is an abundant number, because the sum of its proper divisors (39372502) is greater than itself. Its abundance is 11300102

Bases of 28072400

Binary: 1101011000101100111010000₂
Hexadecimal: 0x1AC59D0
Base-36: GPOSW

Squares and roots of 28072400

28072400 squared (28072400²) is 788059641760000
28072400 cubed (28072400³) is 22122725487343424000000
The square root of 28072400 is 5298.3393624795
The cube root of 28072400 is 303.9203969785

Scales and comparisons

How big is 28072400?

28,072,400 seconds is equal to 46 weeks, 2 days, 21 hours, 53 minutes, 20 seconds.
To count from 1 to 28,072,400 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 28072400 cubic inches would be around 25.3 feet tall.

Recreational maths with 28072400

28072400 backwards is 00427082
The number of decimal digits it has is: 8
The sum of 28072400's digits is 23
More coming soon!

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The information we have on file for 28072400 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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