21333738

21,333,738 is an even composite number composed of four prime numbers multiplied together.

What does the number 21333738 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

21333738 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 21333738:

2 × 3 × 67 × 53069

See below for interesting mathematical facts about the number 21333738 from the Numbermatics database.

Names of 21333738

Cardinal: 21333738 can be written as Twenty-one million, three hundred thirty-three thousand, seven hundred thirty-eight.

Scientific notation

Scientific notation: 2.1333738 × 10⁷

Factors of 21333738

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 53141

Divisors of 21333738

Number of divisors d(n): 16
Complete list of divisors:
1 2 3 6 67 134 201 402 53069 106138 159207 318414 3555623 7111246 10666869 21333738
Sum of all divisors σ(n): 43305120
Sum of proper divisors (its aliquot sum) s(n): 21971382
21333738 is an abundant number, because the sum of its proper divisors (21971382) is greater than itself. Its abundance is 637644

Bases of 21333738

Binary: 1010001011000011011101010₂
Hexadecimal: 0x14586EA
Base-36: CP97U

Squares and roots of 21333738

21333738 squared (21333738²) is 455128377052644
21333738 cubed (21333738³) is 9709589552406319303272
The square root of 21333738 is 4618.8459597609
The cube root of 21333738 is 277.3462633553

Scales and comparisons

How big is 21333738?

21,333,738 seconds is equal to 35 weeks, 1 day, 22 hours, 2 minutes, 18 seconds.
To count from 1 to 21,333,738 would take you about six 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 21333738 cubic inches would be around 23.1 feet tall.

Recreational maths with 21333738

21333738 backwards is 83733312
The number of decimal digits it has is: 8
The sum of 21333738's digits is 30
More coming soon!

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The information we have on file for 21333738 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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