213870

213,870 is an even composite number composed of four prime numbers multiplied together.

What does the number 213870 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

213870 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 213870:

2 × 3 × 5 × 7129

See below for interesting mathematical facts about the number 213870 from the Numbermatics database.

Names of 213870

Cardinal: 213870 can be written as Two hundred thirteen thousand, eight hundred seventy.

Scientific notation

Scientific notation: 2.1387 × 10⁵

Factors of 213870

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 7139

Divisors of 213870

Number of divisors d(n): 16
Complete list of divisors:
1 2 3 5 6 10 15 30 7129 14258 21387 35645 42774 71290 106935 213870
Sum of all divisors σ(n): 513360
Sum of proper divisors (its aliquot sum) s(n): 299490
213870 is an abundant number, because the sum of its proper divisors (299490) is greater than itself. Its abundance is 85620

Bases of 213870

Binary: 110100001101101110₂
Hexadecimal: 0x3436E
Base-36: 4L0U

Squares and roots of 213870

213870 squared (213870²) is 45740376900
213870 cubed (213870³) is 9782494407603000
The square root of 213870 is 462.4608091503
The cube root of 213870 is 59.8021259259

Scales and comparisons

How big is 213870?

213,870 seconds is equal to 2 days, 11 hours, 24 minutes, 30 seconds.
To count from 1 to 213,870 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 213870 cubic inches would be around 5 feet tall.

Recreational maths with 213870

213870 backwards is 078312
The number of decimal digits it has is: 6
The sum of 213870's digits is 21
More coming soon!

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The information we have on file for 213870 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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