28253420

28,253,420 is an even composite number composed of four prime numbers multiplied together.

What does the number 28253420 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 48 divisors.

28253420 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 28253420:

2² × 5 × 13³ × 643

(2 × 2 × 5 × 13 × 13 × 13 × 643)

See below for interesting mathematical facts about the number 28253420 from the Numbermatics database.

Names of 28253420

Cardinal: 28253420 can be written as Twenty-eight million, two hundred fifty-three thousand, four hundred twenty.

Scientific notation

Scientific notation: 2.825342 × 10⁷

Factors of 28253420

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 663

Divisors of 28253420

Number of divisors d(n): 48
Complete list of divisors:
1 2 4 5 10 13 20 26 52 65 130 169 260 338 643 676 845 1286 1690 2197 2572 3215 3380 4394 6430 8359 8788 10985 12860 16718 21970 33436 41795 43940 83590 108667 167180 217334 434668 543335 1086670 1412671 2173340 2825342 5650684 7063355 14126710 28253420
Sum of all divisors σ(n): 64374240
Sum of proper divisors (its aliquot sum) s(n): 36120820
28253420 is an abundant number, because the sum of its proper divisors (36120820) is greater than itself. Its abundance is 7867400

Bases of 28253420

Binary: 1101011110001110011101100₂
Hexadecimal: 0x1AF1CEC
Base-36: GTKH8

Squares and roots of 28253420

28253420 squared (28253420²) is 798255741696400
28253420 cubed (28253420³) is 22553454737559901688000
The square root of 28253420 is 5315.3946231677
The cube root of 28253420 is 304.5722571575

Scales and comparisons

How big is 28253420?

28,253,420 seconds is equal to 46 weeks, 5 days, 10 minutes, 20 seconds.
To count from 1 to 28,253,420 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 28253420 cubic inches would be around 25.4 feet tall.

Recreational maths with 28253420

28253420 backwards is 02435282
28253420 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 28253420's digits is 26
More coming soon!

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The information we have on file for 28253420 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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