21439701

21,439,701 is an odd composite number composed of two prime numbers multiplied together.

What does the number 21439701 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 8 divisors.

21439701 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 21439701:

3³ × 794063

(3 × 3 × 3 × 794063)

See below for interesting mathematical facts about the number 21439701 from the Numbermatics database.

Names of 21439701

Cardinal: 21439701 can be written as Twenty-one million, four hundred thirty-nine thousand, seven hundred one.

Scientific notation

Scientific notation: 2.1439701 × 10⁷

Factors of 21439701

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 4
Sum of prime factors: 794066

Divisors of 21439701

Number of divisors d(n): 8
Complete list of divisors:
1 3 9 27 794063 2382189 7146567 21439701
Sum of all divisors σ(n): 31762560
Sum of proper divisors (its aliquot sum) s(n): 10322859
21439701 is a deficient number, because the sum of its proper divisors (10322859) is less than itself. Its deficiency is 11116842

Bases of 21439701

Binary: 1010001110010010011010101₂
Hexadecimal: 0x14724D5
Base-36: CRIZ9

Squares and roots of 21439701

21439701 squared (21439701²) is 459660778969401
21439701 cubed (21439701³) is 9854989662531045589101
The square root of 21439701 is 4630.3024739211
The cube root of 21439701 is 277.8046908975

Scales and comparisons

How big is 21439701?

21,439,701 seconds is equal to 35 weeks, 3 days, 3 hours, 28 minutes, 21 seconds.
To count from 1 to 21,439,701 would take you about five hours!

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 21439701 cubic inches would be around 23.2 feet tall.

Recreational maths with 21439701

21439701 backwards is 10793412
21439701 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 21439701's digits is 27
More coming soon!

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The information we have on file for 21439701 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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