121428

121,428 is an even composite number composed of three prime numbers multiplied together.

What does the number 121428 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 18 divisors.

121428 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eighteen divisors.

Prime factorization of 121428:

2² × 3² × 3373

(2 × 2 × 3 × 3 × 3373)

See below for interesting mathematical facts about the number 121428 from the Numbermatics database.

Names of 121428

Cardinal: 121428 can be written as One hundred twenty-one thousand, four hundred twenty-eight.

Scientific notation

Scientific notation: 1.21428 × 10⁵

Factors of 121428

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 3378

Divisors of 121428

Number of divisors d(n): 18
Complete list of divisors:
1 2 3 4 6 9 12 18 36 3373 6746 10119 13492 20238 30357 40476 60714 121428
Sum of all divisors σ(n): 307034
Sum of proper divisors (its aliquot sum) s(n): 185606
121428 is an abundant number, because the sum of its proper divisors (185606) is greater than itself. Its abundance is 64178

Bases of 121428

Binary: 11101101001010100₂
Hexadecimal: 0x1DA54
Base-36: 2LP0

Squares and roots of 121428

121428 squared (121428²) is 14744759184
121428 cubed (121428³) is 1790426618194752
The square root of 121428 is 348.4652062975
The cube root of 121428 is 49.5191233119

Scales and comparisons

How big is 121428?

121,428 seconds is equal to 1 day, 9 hours, 43 minutes, 48 seconds.
To count from 1 to 121,428 would take you about nine 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 121428 cubic inches would be around 4.1 feet tall.

Recreational maths with 121428

121428 backwards is 824121
121428 is a Harshad number.
The number of decimal digits it has is: 6
The sum of 121428's digits is 18
More coming soon!

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The information we have on file for 121428 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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