21279423

21,279,423 is an odd composite number composed of four prime numbers multiplied together.

What does the number 21279423 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 36 divisors.

21279423 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-six divisors.

Prime factorization of 21279423:

3 × 11² × 31² × 61

(3 × 11 × 11 × 31 × 31 × 61)

See below for interesting mathematical facts about the number 21279423 from the Numbermatics database.

Names of 21279423

Cardinal: 21279423 can be written as Twenty-one million, two hundred seventy-nine thousand, four hundred twenty-three.

Scientific notation

Scientific notation: 2.1279423 × 10⁷

Factors of 21279423

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 106

Divisors of 21279423

Number of divisors d(n): 36
Complete list of divisors:
1 3 11 31 33 61 93 121 183 341 363 671 961 1023 1891 2013 2883 3751 5673 7381 10571 11253 20801 22143 31713 58621 62403 116281 175863 228811 348843 644831 686433 1934493 7093141 21279423
Sum of all divisors σ(n): 32753112
Sum of proper divisors (its aliquot sum) s(n): 11473689
21279423 is a deficient number, because the sum of its proper divisors (11473689) is less than itself. Its deficiency is 9805734

Bases of 21279423

Binary: 1010001001011001010111111₂
Hexadecimal: 0x144B2BF
Base-36: CO3B3

Squares and roots of 21279423

21279423 squared (21279423²) is 452813843212929
21279423 cubed (21279423³) is 9635617309983595259967
The square root of 21279423 is 4612.9624971379
The cube root of 21279423 is 277.1106918143

Scales and comparisons

How big is 21279423?

21,279,423 seconds is equal to 35 weeks, 1 day, 6 hours, 57 minutes, 3 seconds.
To count from 1 to 21,279,423 would take you about five 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 21279423 cubic inches would be around 23.1 feet tall.

Recreational maths with 21279423

21279423 backwards is 32497212
The number of decimal digits it has is: 8
The sum of 21279423's digits is 30
More coming soon!

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The information we have on file for 21279423 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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