28423215

28,423,215 is an odd composite number composed of five prime numbers multiplied together.

What does the number 28423215 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 48 divisors.

28423215 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 28423215:

3² × 5 × 37 × 43 × 397

(3 × 3 × 5 × 37 × 43 × 397)

See below for interesting mathematical facts about the number 28423215 from the Numbermatics database.

Names of 28423215

Cardinal: 28423215 can be written as Twenty-eight million, four hundred twenty-three thousand, two hundred fifteen.

Scientific notation

Scientific notation: 2.8423215 × 10⁷

Factors of 28423215

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 485

Divisors of 28423215

Number of divisors d(n): 48
Complete list of divisors:
1 3 5 9 15 37 43 45 111 129 185 215 333 387 397 555 645 1191 1591 1665 1935 1985 3573 4773 5955 7955 14319 14689 17071 17865 23865 44067 51213 71595 73445 85355 132201 153639 220335 256065 631627 661005 768195 1894881 3158135 5684643 9474405 28423215
Sum of all divisors σ(n): 51905568
Sum of proper divisors (its aliquot sum) s(n): 23482353
28423215 is a deficient number, because the sum of its proper divisors (23482353) is less than itself. Its deficiency is 4940862

Bases of 28423215

Binary: 1101100011011010000101111₂
Hexadecimal: 0x1B1B42F
Base-36: GX7HR

Squares and roots of 28423215

28423215 squared (28423215²) is 807879150936225
28423215 cubed (28423215³) is 22962522801077774463375
The square root of 28423215 is 5331.3427014215
The cube root of 28423215 is 305.1811697983

Scales and comparisons

How big is 28423215?

28,423,215 seconds is equal to 46 weeks, 6 days, 23 hours, 20 minutes, 15 seconds.
To count from 1 to 28,423,215 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 28423215 cubic inches would be around 25.4 feet tall.

Recreational maths with 28423215

28423215 backwards is 51232482
The number of decimal digits it has is: 8
The sum of 28423215's digits is 27
More coming soon!

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The information we have on file for 28423215 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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