221390

221,390 is an even composite number composed of four prime numbers multiplied together.

What does the number 221390 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

221390 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 221390:

2 × 5 × 13² × 131

(2 × 5 × 13 × 13 × 131)

See below for interesting mathematical facts about the number 221390 from the Numbermatics database.

Names of 221390

Cardinal: 221390 can be written as Two hundred twenty-one thousand, three hundred ninety.

Scientific notation

Scientific notation: 2.2139 × 10⁵

Factors of 221390

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 151

Divisors of 221390

Number of divisors d(n): 24
Complete list of divisors:
1 2 5 10 13 26 65 130 131 169 262 338 655 845 1310 1690 1703 3406 8515 17030 22139 44278 110695 221390
Sum of all divisors σ(n): 434808
Sum of proper divisors (its aliquot sum) s(n): 213418
221390 is a deficient number, because the sum of its proper divisors (213418) is less than itself. Its deficiency is 7972

Bases of 221390

Binary: 110110000011001110₂
Hexadecimal: 0x360CE
Base-36: 4QTQ

Squares and roots of 221390

221390 squared (221390²) is 49013532100
221390 cubed (221390³) is 10851105871619000
The square root of 221390 is 470.5209878423
The cube root of 221390 is 60.4949794345

Scales and comparisons

How big is 221390?

221,390 seconds is equal to 2 days, 13 hours, 29 minutes, 50 seconds.
To count from 1 to 221,390 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 221390 cubic inches would be around 5 feet tall.

Recreational maths with 221390

221390 backwards is 093122
The number of decimal digits it has is: 6
The sum of 221390's digits is 17
More coming soon!

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The information we have on file for 221390 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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