28391424

28,391,424 is an even composite number composed of three prime numbers multiplied together.

What does the number 28391424 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 48 divisors.

28391424 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 28391424:

2¹¹ × 3 × 4621

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 4621)

See below for interesting mathematical facts about the number 28391424 from the Numbermatics database.

Names of 28391424

Cardinal: 28391424 can be written as Twenty-eight million, three hundred ninety-one thousand, four hundred twenty-four.

Scientific notation

Scientific notation: 2.8391424 × 10⁷

Factors of 28391424

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 13
Sum of prime factors: 4626

Divisors of 28391424

Number of divisors d(n): 48
Complete list of divisors:
1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 512 768 1024 1536 2048 3072 4621 6144 9242 13863 18484 27726 36968 55452 73936 110904 147872 221808 295744 443616 591488 887232 1182976 1774464 2365952 3548928 4731904 7097856 9463808 14195712 28391424
Sum of all divisors σ(n): 75708360
Sum of proper divisors (its aliquot sum) s(n): 47316936
28391424 is an abundant number, because the sum of its proper divisors (47316936) is greater than itself. Its abundance is 18925512

Bases of 28391424

Binary: 1101100010011100000000000₂
Hexadecimal: 0x1B13800
Base-36: GWIYO

Squares and roots of 28391424

28391424 squared (28391424²) is 806072956747776
28391424 cubed (28391424³) is 22885559089959769473024
The square root of 28391424 is 5328.3603481747
The cube root of 28391424 is 305.0673469483

Scales and comparisons

How big is 28391424?

28,391,424 seconds is equal to 46 weeks, 6 days, 14 hours, 30 minutes, 24 seconds.
To count from 1 to 28,391,424 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 28391424 cubic inches would be around 25.4 feet tall.

Recreational maths with 28391424

28391424 backwards is 42419382
The number of decimal digits it has is: 8
The sum of 28391424's digits is 33
More coming soon!

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The information we have on file for 28391424 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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