20728488

20,728,488 is an even composite number composed of four prime numbers multiplied together.

What does the number 20728488 look like?

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

20728488 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 20728488:

2³ × 3 × 11 × 78517

(2 × 2 × 2 × 3 × 11 × 78517)

See below for interesting mathematical facts about the number 20728488 from the Numbermatics database.

Names of 20728488

Cardinal: 20728488 can be written as Twenty million, seven hundred twenty-eight thousand, four hundred eighty-eight.

Scientific notation

Scientific notation: 2.0728488 × 10⁷

Factors of 20728488

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 78533

Divisors of 20728488

Number of divisors d(n): 32
Complete list of divisors:
1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 78517 157034 235551 314068 471102 628136 863687 942204 1727374 1884408 2591061 3454748 5182122 6909496 10364244 20728488
Sum of all divisors σ(n): 56532960
Sum of proper divisors (its aliquot sum) s(n): 35804472
20728488 is an abundant number, because the sum of its proper divisors (35804472) is greater than itself. Its abundance is 15075984

Bases of 20728488

Binary: 1001111000100101010101000₂
Hexadecimal: 0x13C4AA8
Base-36: CCA7C

Squares and roots of 20728488

20728488 squared (20728488²) is 429670214766144
20728488 cubed (20728488³) is 8906413890737438710272
The square root of 20728488 is 4552.8549285037
The cube root of 20728488 is 274.6982386913

Scales and comparisons

How big is 20728488?

20,728,488 seconds is equal to 34 weeks, 1 day, 21 hours, 54 minutes, 48 seconds.
To count from 1 to 20,728,488 would take you about fifty-one 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 20728488 cubic inches would be around 22.9 feet tall.

Recreational maths with 20728488

20728488 backwards is 88482702
The number of decimal digits it has is: 8
The sum of 20728488's digits is 39
More coming soon!

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The information we have on file for 20728488 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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