21483420

21,483,420 is an even composite number composed of five prime numbers multiplied together.

What does the number 21483420 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 48 divisors.

21483420 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 21483420:

2² × 3 × 5 × 7 × 51151

(2 × 2 × 3 × 5 × 7 × 51151)

See below for interesting mathematical facts about the number 21483420 from the Numbermatics database.

Names of 21483420

Cardinal: 21483420 can be written as Twenty-one million, four hundred eighty-three thousand, four hundred twenty.

Scientific notation

Scientific notation: 2.148342 × 10⁷

Factors of 21483420

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 51168

Divisors of 21483420

Number of divisors d(n): 48
Complete list of divisors:
1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 51151 102302 153453 204604 255755 306906 358057 511510 613812 716114 767265 1023020 1074171 1432228 1534530 1790285 2148342 3069060 3580570 4296684 5370855 7161140 10741710 21483420
Sum of all divisors σ(n): 68748288
Sum of proper divisors (its aliquot sum) s(n): 47264868
21483420 is an abundant number, because the sum of its proper divisors (47264868) is greater than itself. Its abundance is 25781448

Bases of 21483420

Binary: 1010001111100111110011100₂
Hexadecimal: 0x147CF9C
Base-36: CSGPO

Squares and roots of 21483420

21483420 squared (21483420²) is 461537334896400
21483420 cubed (21483420³) is 9915400411260017688000
The square root of 21483420 is 4635.0210355509
The cube root of 21483420 is 277.9933921795

Scales and comparisons

How big is 21483420?

21,483,420 seconds is equal to 35 weeks, 3 days, 15 hours, 37 minutes.
To count from 1 to 21,483,420 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 21483420 cubic inches would be around 23.2 feet tall.

Recreational maths with 21483420

21483420 backwards is 02438412
The number of decimal digits it has is: 8
The sum of 21483420's digits is 24
More coming soon!

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The information we have on file for 21483420 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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