21425553

21,425,553 is an odd composite number composed of three prime numbers multiplied together.

What does the number 21425553 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 24 divisors.

21425553 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 21425553:

3⁵ × 37 × 2383

(3 × 3 × 3 × 3 × 3 × 37 × 2383)

See below for interesting mathematical facts about the number 21425553 from the Numbermatics database.

Names of 21425553

Cardinal: 21425553 can be written as Twenty-one million, four hundred twenty-five thousand, five hundred fifty-three.

Scientific notation

Scientific notation: 2.1425553 × 10⁷

Factors of 21425553

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 7
Sum of prime factors: 2423

Divisors of 21425553

Number of divisors d(n): 24
Complete list of divisors:
1 3 9 27 37 81 111 243 333 999 2383 2997 7149 8991 21447 64341 88171 193023 264513 579069 793539 2380617 7141851 21425553
Sum of all divisors σ(n): 32975488
Sum of proper divisors (its aliquot sum) s(n): 11549935
21425553 is a deficient number, because the sum of its proper divisors (11549935) is less than itself. Its deficiency is 9875618

Bases of 21425553

Binary: 1010001101110110110010001₂
Hexadecimal: 0x146ED91
Base-36: CR829

Squares and roots of 21425553

21425553 squared (21425553²) is 459054321355809
21425553 cubed (21425553³) is 9835492692087917587377
The square root of 21425553 is 4628.7744598327
The cube root of 21425553 is 277.7435699325

Scales and comparisons

How big is 21425553?

21,425,553 seconds is equal to 35 weeks, 2 days, 23 hours, 32 minutes, 33 seconds.
To count from 1 to 21,425,553 would take you about twenty-three 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 21425553 cubic inches would be around 23.1 feet tall.

Recreational maths with 21425553

21425553 backwards is 35552412
21425553 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 21425553's digits is 27
More coming soon!

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The information we have on file for 21425553 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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