218138864

218,138,864 is an even composite number composed of two prime numbers multiplied together.

What does the number 218138864 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 10 divisors.

218138864 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of ten divisors.

Prime factorization of 218138864:

2⁴ × 13633679

(2 × 2 × 2 × 2 × 13633679)

See below for interesting mathematical facts about the number 218138864 from the Numbermatics database.

Names of 218138864

Cardinal: 218138864 can be written as Two hundred eighteen million, one hundred thirty-eight thousand, eight hundred sixty-four.

Scientific notation

Scientific notation: 2.18138864 × 10⁸

Factors of 218138864

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 5
Sum of prime factors: 13633681

Divisors of 218138864

Number of divisors d(n): 10
Complete list of divisors:
1 2 4 8 16 13633679 27267358 54534716 109069432 218138864
Sum of all divisors σ(n): 422644080
Sum of proper divisors (its aliquot sum) s(n): 204505216
218138864 is a deficient number, because the sum of its proper divisors (204505216) is less than itself. Its deficiency is 13633648

Bases of 218138864

Binary: 1101000000001000100011110000₂
Hexadecimal: 0xD0088F0
Base-36: 3LVH0W

Squares and roots of 218138864

218138864 squared (218138864²) is 47584563987210496
218138864 cubed (218138864³) is 10380042732105408126316544
The square root of 218138864 is 14769.5248400209
The cube root of 218138864 is 601.9739285183

Scales and comparisons

How big is 218138864?

218,138,864 seconds is equal to 6 years, 48 weeks, 4 days, 18 hours, 7 minutes, 44 seconds.
To count from 1 to 218,138,864 would take you about ten years!

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 218138864 cubic inches would be around 50.2 feet tall.

Recreational maths with 218138864

218138864 backwards is 468831812
The number of decimal digits it has is: 9
The sum of 218138864's digits is 41
More coming soon!

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The information we have on file for 218138864 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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