421681

421,681 is an odd composite number composed of three prime numbers multiplied together.

What does the number 421681 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

421681 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 421681:

13 × 163 × 199

See below for interesting mathematical facts about the number 421681 from the Numbermatics database.

Names of 421681

Cardinal: 421681 can be written as Four hundred twenty-one thousand, six hundred eighty-one.

Scientific notation

Scientific notation: 4.21681 × 10⁵

Factors of 421681

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 3
Sum of prime factors: 375

Divisors of 421681

Number of divisors d(n): 8
Complete list of divisors:
1 13 163 199 2119 2587 32437 421681
Sum of all divisors σ(n): 459200
Sum of proper divisors (its aliquot sum) s(n): 37519
421681 is a deficient number, because the sum of its proper divisors (37519) is less than itself. Its deficiency is 384162

Bases of 421681

Binary: 1100110111100110001₂
Hexadecimal: 0x66F31
Base-36: 91DD

Squares and roots of 421681

421681 squared (421681²) is 177814865761
421681 cubed (421681³) is 74981150408964241
The square root of 421681 is 649.3696943961
The cube root of 421681 is 74.9885019411

Scales and comparisons

How big is 421681?

421,681 seconds is equal to 4 days, 21 hours, 8 minutes, 1 second.
To count from 1 to 421,681 would take you about four 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 421681 cubic inches would be around 6.2 feet tall.

Recreational maths with 421681

421681 backwards is 186124
The number of decimal digits it has is: 6
The sum of 421681's digits is 22
More coming soon!

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The information we have on file for 421681 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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