20787140

20,787,140 is an even composite number composed of five prime numbers multiplied together.

What does the number 20787140 look like?

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

20787140 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 20787140:

2² × 5 × 11 × 19 × 4973

(2 × 2 × 5 × 11 × 19 × 4973)

See below for interesting mathematical facts about the number 20787140 from the Numbermatics database.

Names of 20787140

Cardinal: 20787140 can be written as Twenty million, seven hundred eighty-seven thousand, one hundred forty.

Scientific notation

Scientific notation: 2.078714 × 10⁷

Factors of 20787140

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 5010

Divisors of 20787140

Number of divisors d(n): 48
Complete list of divisors:
1 2 4 5 10 11 19 20 22 38 44 55 76 95 110 190 209 220 380 418 836 1045 2090 4180 4973 9946 19892 24865 49730 54703 94487 99460 109406 188974 218812 273515 377948 472435 547030 944870 1039357 1094060 1889740 2078714 4157428 5196785 10393570 20787140
Sum of all divisors σ(n): 50137920
Sum of proper divisors (its aliquot sum) s(n): 29350780
20787140 is an abundant number, because the sum of its proper divisors (29350780) is greater than itself. Its abundance is 8563640

Bases of 20787140

Binary: 1001111010010111111000100₂
Hexadecimal: 0x13D2FC4
Base-36: CDJGK

Squares and roots of 20787140

20787140 squared (20787140²) is 432105189379600
20787140 cubed (20787140³) is 8982231066360258344000
The square root of 20787140 is 4559.2916116431
The cube root of 20787140 is 274.9570842121

Scales and comparisons

How big is 20787140?

20,787,140 seconds is equal to 34 weeks, 2 days, 14 hours, 12 minutes, 20 seconds.
To count from 1 to 20,787,140 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 20787140 cubic inches would be around 22.9 feet tall.

Recreational maths with 20787140

20787140 backwards is 04178702
The number of decimal digits it has is: 8
The sum of 20787140's digits is 29
More coming soon!

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The information we have on file for 20787140 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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