216440

216,440 is an even composite number composed of four prime numbers multiplied together.

What does the number 216440 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 32 divisors.

216440 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 216440:

2³ × 5 × 7 × 773

(2 × 2 × 2 × 5 × 7 × 773)

See below for interesting mathematical facts about the number 216440 from the Numbermatics database.

Names of 216440

Cardinal: 216440 can be written as Two hundred sixteen thousand, four hundred forty.

Scientific notation

Scientific notation: 2.1644 × 10⁵

Factors of 216440

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 787

Divisors of 216440

Number of divisors d(n): 32
Complete list of divisors:
1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 773 1546 3092 3865 5411 6184 7730 10822 15460 21644 27055 30920 43288 54110 108220 216440
Sum of all divisors σ(n): 557280
Sum of proper divisors (its aliquot sum) s(n): 340840
216440 is an abundant number, because the sum of its proper divisors (340840) is greater than itself. Its abundance is 124400

Bases of 216440

Binary: 110100110101111000₂
Hexadecimal: 0x34D78
Base-36: 4N08

Squares and roots of 216440

216440 squared (216440²) is 46846273600
216440 cubed (216440³) is 10139407457984000
The square root of 216440 is 465.2311253559
The cube root of 216440 is 60.0407131085

Scales and comparisons

How big is 216440?

216,440 seconds is equal to 2 days, 12 hours, 7 minutes, 20 seconds.
To count from 1 to 216,440 would take you about two 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 216440 cubic inches would be around 5 feet tall.

Recreational maths with 216440

216440 backwards is 044612
The number of decimal digits it has is: 6
The sum of 216440's digits is 17
More coming soon!

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The information we have on file for 216440 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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