21200144

21,200,144 is an even composite number composed of three prime numbers multiplied together.

What does the number 21200144 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 40 divisors.

21200144 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of forty divisors.

Prime factorization of 21200144:

2⁴ × 7³ × 3863

(2 × 2 × 2 × 2 × 7 × 7 × 7 × 3863)

See below for interesting mathematical facts about the number 21200144 from the Numbermatics database.

Names of 21200144

Cardinal: 21200144 can be written as Twenty-one million, two hundred thousand, one hundred forty-four.

Scientific notation

Scientific notation: 2.1200144 × 10⁷

Factors of 21200144

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 8
Sum of prime factors: 3872

Divisors of 21200144

Number of divisors d(n): 40
Complete list of divisors:
1 2 4 7 8 14 16 28 49 56 98 112 196 343 392 686 784 1372 2744 3863 5488 7726 15452 27041 30904 54082 61808 108164 189287 216328 378574 432656 757148 1325009 1514296 2650018 3028592 5300036 10600072 21200144
Sum of all divisors σ(n): 47913600
Sum of proper divisors (its aliquot sum) s(n): 26713456
21200144 is an abundant number, because the sum of its proper divisors (26713456) is greater than itself. Its abundance is 5513312

Bases of 21200144

Binary: 1010000110111110100010000₂
Hexadecimal: 0x1437D10
Base-36: CME4W

Squares and roots of 21200144

21200144 squared (21200144²) is 449446105620736
21200144 cubed (21200144³) is 9528322159398812585984
The square root of 21200144 is 4604.3614106629
The cube root of 21200144 is 276.7661273663

Scales and comparisons

How big is 21200144?

21,200,144 seconds is equal to 35 weeks, 8 hours, 55 minutes, 44 seconds.
To count from 1 to 21,200,144 would take you about four days!

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 21200144 cubic inches would be around 23.1 feet tall.

Recreational maths with 21200144

21200144 backwards is 44100212
21200144 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 21200144's digits is 14
More coming soon!

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The information we have on file for 21200144 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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