28400672

28,400,672 is an even composite number composed of three prime numbers multiplied together.

What does the number 28400672 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 24 divisors.

28400672 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 28400672:

2⁵ × 157 × 5653

(2 × 2 × 2 × 2 × 2 × 157 × 5653)

See below for interesting mathematical facts about the number 28400672 from the Numbermatics database.

Names of 28400672

Cardinal: 28400672 can be written as Twenty-eight million, four hundred thousand, six hundred seventy-two.

Scientific notation

Scientific notation: 2.8400672 × 10⁷

Factors of 28400672

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 7
Sum of prime factors: 5812

Divisors of 28400672

Number of divisors d(n): 24
Complete list of divisors:
1 2 4 8 16 32 157 314 628 1256 2512 5024 5653 11306 22612 45224 90448 180896 887521 1775042 3550084 7100168 14200336 28400672
Sum of all divisors σ(n): 56279916
Sum of proper divisors (its aliquot sum) s(n): 27879244
28400672 is a deficient number, because the sum of its proper divisors (27879244) is less than itself. Its deficiency is 521428

Bases of 28400672

Binary: 1101100010101110000100000₂
Hexadecimal: 0x1B15C20
Base-36: GWQ3K

Squares and roots of 28400672

28400672 squared (28400672²) is 806598170051584
28400672 cubed (28400672³) is 22907930063435260264448
The square root of 28400672 is 5329.2280866933
The cube root of 28400672 is 305.1004667683

Scales and comparisons

How big is 28400672?

28,400,672 seconds is equal to 46 weeks, 6 days, 17 hours, 4 minutes, 32 seconds.
To count from 1 to 28,400,672 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 28400672 cubic inches would be around 25.4 feet tall.

Recreational maths with 28400672

28400672 backwards is 27600482
The number of decimal digits it has is: 8
The sum of 28400672's digits is 29
More coming soon!

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The information we have on file for 28400672 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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