20801820

20,801,820 is an even composite number composed of five prime numbers multiplied together.

What does the number 20801820 look like?

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

20801820 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 20801820:

2² × 3 × 5 × 13 × 26669

(2 × 2 × 3 × 5 × 13 × 26669)

See below for interesting mathematical facts about the number 20801820 from the Numbermatics database.

Names of 20801820

Cardinal: 20801820 can be written as Twenty million, eight hundred one thousand, eight hundred twenty.

Scientific notation

Scientific notation: 2.080182 × 10⁷

Factors of 20801820

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 26692

Divisors of 20801820

Number of divisors d(n): 48
Complete list of divisors:
1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 26669 53338 80007 106676 133345 160014 266690 320028 346697 400035 533380 693394 800070 1040091 1386788 1600140 1733485 2080182 3466970 4160364 5200455 6933940 10400910 20801820
Sum of all divisors σ(n): 62727840
Sum of proper divisors (its aliquot sum) s(n): 41926020
20801820 is an abundant number, because the sum of its proper divisors (41926020) is greater than itself. Its abundance is 21124200

Bases of 20801820

Binary: 1001111010110100100011100₂
Hexadecimal: 0x13D691C
Base-36: CDUSC

Squares and roots of 20801820

20801820 squared (20801820²) is 432715715312400
20801820 cubed (20801820³) is 9001274421099788568000
The square root of 20801820 is 4560.9012267315
The cube root of 20801820 is 275.0217944159

Scales and comparisons

How big is 20801820?

20,801,820 seconds is equal to 34 weeks, 2 days, 18 hours, 17 minutes.
To count from 1 to 20,801,820 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 20801820 cubic inches would be around 22.9 feet tall.

Recreational maths with 20801820

20801820 backwards is 02810802
The number of decimal digits it has is: 8
The sum of 20801820's digits is 21
More coming soon!

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The information we have on file for 20801820 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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