28435720

28,435,720 is an even composite number composed of four prime numbers multiplied together.

What does the number 28435720 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 32 divisors.

28435720 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 28435720:

2³ × 5 × 137 × 5189

(2 × 2 × 2 × 5 × 137 × 5189)

See below for interesting mathematical facts about the number 28435720 from the Numbermatics database.

Names of 28435720

Cardinal: 28435720 can be written as Twenty-eight million, four hundred thirty-five thousand, seven hundred twenty.

Scientific notation

Scientific notation: 2.843572 × 10⁷

Factors of 28435720

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 5333

Divisors of 28435720

Number of divisors d(n): 32
Complete list of divisors:
1 2 4 5 8 10 20 40 137 274 548 685 1096 1370 2740 5189 5480 10378 20756 25945 41512 51890 103780 207560 710893 1421786 2843572 3554465 5687144 7108930 14217860 28435720
Sum of all divisors σ(n): 64459800
Sum of proper divisors (its aliquot sum) s(n): 36024080
28435720 is an abundant number, because the sum of its proper divisors (36024080) is greater than itself. Its abundance is 7588360

Bases of 28435720

Binary: 1101100011110010100001000₂
Hexadecimal: 0x1B1E508
Base-36: GXH54

Squares and roots of 28435720

28435720 squared (28435720²) is 808590171918400
28435720 cubed (28435720³) is 22992843723423485248000
The square root of 28435720 is 5332.5153539395
The cube root of 28435720 is 305.2259187943

Scales and comparisons

How big is 28435720?

28,435,720 seconds is equal to 47 weeks, 2 hours, 48 minutes, 40 seconds.
To count from 1 to 28,435,720 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 28435720 cubic inches would be around 25.4 feet tall.

Recreational maths with 28435720

28435720 backwards is 02753482
The number of decimal digits it has is: 8
The sum of 28435720's digits is 31
More coming soon!

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The information we have on file for 28435720 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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