21642148

21,642,148 is an even composite number composed of three prime numbers multiplied together.

What does the number 21642148 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

21642148 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 21642148:

2² × 11 × 491867

(2 × 2 × 11 × 491867)

See below for interesting mathematical facts about the number 21642148 from the Numbermatics database.

Names of 21642148

Cardinal: 21642148 can be written as Twenty-one million, six hundred forty-two thousand, one hundred forty-eight.

Scientific notation

Scientific notation: 2.1642148 × 10⁷

Factors of 21642148

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 491880

Divisors of 21642148

Number of divisors d(n): 12
Complete list of divisors:
1 2 4 11 22 44 491867 983734 1967468 5410537 10821074 21642148
Sum of all divisors σ(n): 41316912
Sum of proper divisors (its aliquot sum) s(n): 19674764
21642148 is a deficient number, because the sum of its proper divisors (19674764) is less than itself. Its deficiency is 1967384

Bases of 21642148

Binary: 1010010100011101110100100₂
Hexadecimal: 0x14A3BA4
Base-36: CVV6S

Squares and roots of 21642148

21642148 squared (21642148²) is 468382570053904
21642148 cubed (21642148³) is 10136804901726958345792
The square root of 21642148 is 4652.1122084489
The cube root of 21642148 is 278.6763546255

Scales and comparisons

How big is 21642148?

21,642,148 seconds is equal to 35 weeks, 5 days, 11 hours, 42 minutes, 28 seconds.
To count from 1 to 21,642,148 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 21642148 cubic inches would be around 23.2 feet tall.

Recreational maths with 21642148

21642148 backwards is 84124612
The number of decimal digits it has is: 8
The sum of 21642148's digits is 28
More coming soon!

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The information we have on file for 21642148 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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