213720

213,720 is an even composite number composed of five prime numbers multiplied together.

What does the number 213720 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 64 divisors.

213720 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.

Prime factorization of 213720:

2³ × 3 × 5 × 13 × 137

(2 × 2 × 2 × 3 × 5 × 13 × 137)

See below for interesting mathematical facts about the number 213720 from the Numbermatics database.

Names of 213720

Cardinal: 213720 can be written as Two hundred thirteen thousand, seven hundred twenty.

Scientific notation

Scientific notation: 2.1372 × 10⁵

Factors of 213720

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 7
Sum of prime factors: 160

Divisors of 213720

Number of divisors d(n): 64
Complete list of divisors:
1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 52 60 65 78 104 120 130 137 156 195 260 274 312 390 411 520 548 685 780 822 1096 1370 1560 1644 1781 2055 2740 3288 3562 4110 5343 5480 7124 8220 8905 10686 14248 16440 17810 21372 26715 35620 42744 53430 71240 106860 213720
Sum of all divisors σ(n): 695520
Sum of proper divisors (its aliquot sum) s(n): 481800
213720 is an abundant number, because the sum of its proper divisors (481800) is greater than itself. Its abundance is 268080

Bases of 213720

Binary: 110100001011011000₂
Hexadecimal: 0x342D8
Base-36: 4KWO

Squares and roots of 213720

213720 squared (213720²) is 45676238400
213720 cubed (213720³) is 9761925670848000
The square root of 213720 is 462.2986047999
The cube root of 213720 is 59.7881417037

Scales and comparisons

How big is 213720?

213,720 seconds is equal to 2 days, 11 hours, 22 minutes.
To count from 1 to 213,720 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 213720 cubic inches would be around 5 feet tall.

Recreational maths with 213720

213720 backwards is 027312
213720 is a Harshad number.
The number of decimal digits it has is: 6
The sum of 213720's digits is 15
More coming soon!

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The information we have on file for 213720 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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