20640550

20,640,550 is an even composite number composed of five prime numbers multiplied together.

What does the number 20640550 look like?

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

20640550 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 20640550:

2 × 5² × 7 × 17 × 3469

(2 × 5 × 5 × 7 × 17 × 3469)

See below for interesting mathematical facts about the number 20640550 from the Numbermatics database.

Names of 20640550

Cardinal: 20640550 can be written as Twenty million, six hundred forty thousand, five hundred fifty.

Scientific notation

Scientific notation: 2.064055 × 10⁷

Factors of 20640550

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 3500

Divisors of 20640550

Number of divisors d(n): 48
Complete list of divisors:
1 2 5 7 10 14 17 25 34 35 50 70 85 119 170 175 238 350 425 595 850 1190 2975 3469 5950 6938 17345 24283 34690 48566 58973 86725 117946 121415 173450 242830 294865 412811 589730 607075 825622 1214150 1474325 2064055 2948650 4128110 10320275 20640550
Sum of all divisors σ(n): 46470240
Sum of proper divisors (its aliquot sum) s(n): 25829690
20640550 is an abundant number, because the sum of its proper divisors (25829690) is greater than itself. Its abundance is 5189140

Bases of 20640550

Binary: 1001110101111001100100110₂
Hexadecimal: 0x13AF326
Base-36: CAECM

Squares and roots of 20640550

20640550 squared (20640550²) is 426032304302500
20640550 cubed (20640550³) is 8793541078570966375000
The square root of 20640550 is 4543.1872072365
The cube root of 20640550 is 274.3092305037

Scales and comparisons

How big is 20640550?

20,640,550 seconds is equal to 34 weeks, 21 hours, 29 minutes, 10 seconds.
To count from 1 to 20,640,550 would take you about fifty-one 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 20640550 cubic inches would be around 22.9 feet tall.

Recreational maths with 20640550

20640550 backwards is 05504602
The number of decimal digits it has is: 8
The sum of 20640550's digits is 22
More coming soon!

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The information we have on file for 20640550 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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