21180140

21,180,140 is an even composite number composed of three prime numbers multiplied together.

What does the number 21180140 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

21180140 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 21180140:

2² × 5 × 1059007

(2 × 2 × 5 × 1059007)

See below for interesting mathematical facts about the number 21180140 from the Numbermatics database.

Names of 21180140

Cardinal: 21180140 can be written as Twenty-one million, one hundred eighty thousand, one hundred forty.

Scientific notation

Scientific notation: 2.118014 × 10⁷

Factors of 21180140

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 1059014

Divisors of 21180140

Number of divisors d(n): 12
Complete list of divisors:
1 2 4 5 10 20 1059007 2118014 4236028 5295035 10590070 21180140
Sum of all divisors σ(n): 44478336
Sum of proper divisors (its aliquot sum) s(n): 23298196
21180140 is an abundant number, because the sum of its proper divisors (23298196) is greater than itself. Its abundance is 2118056

Bases of 21180140

Binary: 1010000110010111011101100₂
Hexadecimal: 0x1432EEC
Base-36: CLYP8

Squares and roots of 21180140

21180140 squared (21180140²) is 448598330419600
21180140 cubed (21180140³) is 9501375442053386744000
The square root of 21180140 is 4602.1886097813
The cube root of 21180140 is 276.6790497837

Scales and comparisons

How big is 21180140?

21,180,140 seconds is equal to 35 weeks, 3 hours, 22 minutes, 20 seconds.
To count from 1 to 21,180,140 would take you about three days!

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 21180140 cubic inches would be around 23.1 feet tall.

Recreational maths with 21180140

21180140 backwards is 04108112
The number of decimal digits it has is: 8
The sum of 21180140's digits is 17
More coming soon!

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The information we have on file for 21180140 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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