21988006

21,988,006 is an even composite number composed of two prime numbers multiplied together.

What does the number 21988006 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

21988006 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 21988006:

2 × 10994003

See below for interesting mathematical facts about the number 21988006 from the Numbermatics database.

Names of 21988006

Cardinal: 21988006 can be written as Twenty-one million, nine hundred eighty-eight thousand and six.

Scientific notation

Scientific notation: 2.1988006 × 10⁷

Factors of 21988006

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 2
Sum of prime factors: 10994005

Divisors of 21988006

Number of divisors d(n): 4
Complete list of divisors:
1 2 10994003 21988006
Sum of all divisors σ(n): 32982012
Sum of proper divisors (its aliquot sum) s(n): 10994006
21988006 is a deficient number, because the sum of its proper divisors (10994006) is less than itself. Its deficiency is 10994000

Bases of 21988006

Binary: 1010011111000001010100110₂
Hexadecimal: 0x14F82A6
Base-36: D3A1Y

Squares and roots of 21988006

21988006 squared (21988006²) is 483472407856036
21988006 cubed (21988006³) is 10630594204772966704216
The square root of 21988006 is 4689.1370208173
The cube root of 21988006 is 280.1530031125

Scales and comparisons

How big is 21988006?

21,988,006 seconds is equal to 36 weeks, 2 days, 11 hours, 46 minutes, 46 seconds.
To count from 1 to 21,988,006 would take you about two 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 21988006 cubic inches would be around 23.3 feet tall.

Recreational maths with 21988006

21988006 backwards is 60088912
The number of decimal digits it has is: 8
The sum of 21988006's digits is 34
More coming soon!

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The information we have on file for 21988006 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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