1138820

1,138,820 is an even composite number composed of three prime numbers multiplied together.

What does the number 1138820 look like?

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

1138820 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 1138820:

2² × 5 × 56941

(2 × 2 × 5 × 56941)

See below for interesting mathematical facts about the number 1138820 from the Numbermatics database.

Names of 1138820

Cardinal: 1138820 can be written as One million, one hundred thirty-eight thousand, eight hundred twenty.

Scientific notation

Scientific notation: 1.13882 × 10⁶

Factors of 1138820

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 56948

Divisors of 1138820

Number of divisors d(n): 12
Complete list of divisors:
1 2 4 5 10 20 56941 113882 227764 284705 569410 1138820
Sum of all divisors σ(n): 2391564
Sum of proper divisors (its aliquot sum) s(n): 1252744
1138820 is an abundant number, because the sum of its proper divisors (1252744) is greater than itself. Its abundance is 113924

Bases of 1138820

Binary: 100010110000010000100₂
Hexadecimal: 0x116084
Base-36: OEPW

Squares and roots of 1138820

1138820 squared (1138820²) is 1296910992400
1138820 cubed (1138820³) is 1476948176364968000
The square root of 1138820 is 1067.1550965065
The cube root of 1138820 is 104.4283369691

Scales and comparisons

How big is 1138820?

1,138,820 seconds is equal to 1 week, 6 days, 4 hours, 20 minutes, 20 seconds.
To count from 1 to 1,138,820 would take you about two 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 1138820 cubic inches would be around 8.7 feet tall.

Recreational maths with 1138820

1138820 backwards is 0288311
The number of decimal digits it has is: 7
The sum of 1138820's digits is 23
More coming soon!

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The information we have on file for 1138820 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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