28372221

28,372,221 is an odd composite number composed of three prime numbers multiplied together.

What does the number 28372221 look like?

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

28372221 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 28372221:

3³ × 89 × 11807

(3 × 3 × 3 × 89 × 11807)

See below for interesting mathematical facts about the number 28372221 from the Numbermatics database.

Names of 28372221

Cardinal: 28372221 can be written as Twenty-eight million, three hundred seventy-two thousand, two hundred twenty-one.

Scientific notation

Scientific notation: 2.8372221 × 10⁷

Factors of 28372221

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 11899

Divisors of 28372221

Number of divisors d(n): 16
Complete list of divisors:
1 3 9 27 89 267 801 2403 11807 35421 106263 318789 1050823 3152469 9457407 28372221
Sum of all divisors σ(n): 42508800
Sum of proper divisors (its aliquot sum) s(n): 14136579
28372221 is a deficient number, because the sum of its proper divisors (14136579) is less than itself. Its deficiency is 14235642

Bases of 28372221

Binary: 1101100001110110011111101₂
Hexadecimal: 0x1B0ECFD
Base-36: GW459

Squares and roots of 28372221

28372221 squared (28372221²) is 804982924472841
28372221 cubed (28372221³) is 22839153434369753349861
The square root of 28372221 is 5326.5580819137
The cube root of 28372221 is 304.9985523537

Scales and comparisons

How big is 28372221?

28,372,221 seconds is equal to 46 weeks, 6 days, 9 hours, 10 minutes, 21 seconds.
To count from 1 to 28,372,221 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 28372221 cubic inches would be around 25.4 feet tall.

Recreational maths with 28372221

28372221 backwards is 12227382
28372221 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 28372221's digits is 27
More coming soon!

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The information we have on file for 28372221 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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