20889820

20,889,820 is an even composite number composed of four prime numbers multiplied together.

What does the number 20889820 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

20889820 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 20889820:

2² × 5 × 7 × 149213

(2 × 2 × 5 × 7 × 149213)

See below for interesting mathematical facts about the number 20889820 from the Numbermatics database.

Names of 20889820

Cardinal: 20889820 can be written as Twenty million, eight hundred eighty-nine thousand, eight hundred twenty.

Scientific notation

Scientific notation: 2.088982 × 10⁷

Factors of 20889820

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 149227

Divisors of 20889820

Number of divisors d(n): 24
Complete list of divisors:
1 2 4 5 7 10 14 20 28 35 70 140 149213 298426 596852 746065 1044491 1492130 2088982 2984260 4177964 5222455 10444910 20889820
Sum of all divisors σ(n): 50135904
Sum of proper divisors (its aliquot sum) s(n): 29246084
20889820 is an abundant number, because the sum of its proper divisors (29246084) is greater than itself. Its abundance is 8356264

Bases of 20889820

Binary: 1001111101100000011011100₂
Hexadecimal: 0x13EC0DC
Base-36: CFQOS

Squares and roots of 20889820

20889820 squared (20889820²) is 436384579632400
20889820 cubed (20889820³) is 9115995319296502168000
The square root of 20889820 is 4570.5382615181
The cube root of 20889820 is 275.4090661381

Scales and comparisons

How big is 20889820?

20,889,820 seconds is equal to 34 weeks, 3 days, 18 hours, 43 minutes, 40 seconds.
To count from 1 to 20,889,820 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 20889820 cubic inches would be around 23 feet tall.

Recreational maths with 20889820

20889820 backwards is 02898802
The number of decimal digits it has is: 8
The sum of 20889820's digits is 37
More coming soon!

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The information we have on file for 20889820 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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