128401

128,401 is an odd composite number composed of four prime numbers multiplied together.

What does the number 128401 look like?

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

128401 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 128401:

7 × 13 × 17 × 83

See below for interesting mathematical facts about the number 128401 from the Numbermatics database.

Names of 128401

Cardinal: 128401 can be written as One hundred twenty-eight thousand, four hundred one.

Scientific notation

Scientific notation: 1.28401 × 10⁵

Factors of 128401

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 120

Divisors of 128401

Number of divisors d(n): 16
Complete list of divisors:
1 7 13 17 83 91 119 221 581 1079 1411 1547 7553 9877 18343 128401
Sum of all divisors σ(n): 169344
Sum of proper divisors (its aliquot sum) s(n): 40943
128401 is a deficient number, because the sum of its proper divisors (40943) is less than itself. Its deficiency is 87458

Bases of 128401

Binary: 11111010110010001₂
Hexadecimal: 0x1F591
Base-36: 2R2P

Squares and roots of 128401

128401 squared (128401²) is 16486816801
128401 cubed (128401³) is 2116923764065201
The square root of 128401 is 358.3308527045
The cube root of 128401 is 50.4494150855

Scales and comparisons

How big is 128401?

128,401 seconds is equal to 1 day, 11 hours, 40 minutes, 1 second.
To count from 1 to 128,401 would take you about eleven hours.

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 128401 cubic inches would be around 4.2 feet tall.

Recreational maths with 128401

128401 backwards is 104821
The number of decimal digits it has is: 6
The sum of 128401's digits is 16
More coming soon!

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The information we have on file for 128401 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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