28403240

28,403,240 is an even composite number composed of three prime numbers multiplied together.

What does the number 28403240 look like?

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

28403240 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 28403240:

2³ × 5 × 710081

(2 × 2 × 2 × 5 × 710081)

See below for interesting mathematical facts about the number 28403240 from the Numbermatics database.

Names of 28403240

Cardinal: 28403240 can be written as Twenty-eight million, four hundred three thousand, two hundred forty.

Scientific notation

Scientific notation: 2.840324 × 10⁷

Factors of 28403240

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 710088

Divisors of 28403240

Number of divisors d(n): 16
Complete list of divisors:
1 2 4 5 8 10 20 40 710081 1420162 2840324 3550405 5680648 7100810 14201620 28403240
Sum of all divisors σ(n): 63907380
Sum of proper divisors (its aliquot sum) s(n): 35504140
28403240 is an abundant number, because the sum of its proper divisors (35504140) is greater than itself. Its abundance is 7100900

Bases of 28403240

Binary: 1101100010110011000101000₂
Hexadecimal: 0x1B16628
Base-36: GWS2W

Squares and roots of 28403240

28403240 squared (28403240²) is 806744042497600
28403240 cubed (28403240³) is 22914144657629532224000
The square root of 28403240 is 5329.4690167033
The cube root of 28403240 is 305.1096622595

Scales and comparisons

How big is 28403240?

28,403,240 seconds is equal to 46 weeks, 6 days, 17 hours, 47 minutes, 20 seconds.
To count from 1 to 28,403,240 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 28403240 cubic inches would be around 25.4 feet tall.

Recreational maths with 28403240

28403240 backwards is 04230482
The number of decimal digits it has is: 8
The sum of 28403240's digits is 23
More coming soon!

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The information we have on file for 28403240 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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