128431472

128,431,472 is an even composite number composed of four prime numbers multiplied together.

What does the number 128431472 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 40 divisors.

128431472 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty divisors.

Prime factorization of 128431472:

2⁴ × 13 × 137 × 4507

(2 × 2 × 2 × 2 × 13 × 137 × 4507)

See below for interesting mathematical facts about the number 128431472 from the Numbermatics database.

Names of 128431472

Cardinal: 128431472 can be written as One hundred twenty-eight million, four hundred thirty-one thousand, four hundred seventy-two.

Scientific notation

Scientific notation: 1.28431472 × 10⁸

Factors of 128431472

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 4659

Divisors of 128431472

Number of divisors d(n): 40
Complete list of divisors:
1 2 4 8 13 16 26 52 104 137 208 274 548 1096 1781 2192 3562 4507 7124 9014 14248 18028 28496 36056 58591 72112 117182 234364 468728 617459 937456 1234918 2469836 4939672 8026967 9879344 16053934 32107868 64215736 128431472
Sum of all divisors σ(n): 269993136
Sum of proper divisors (its aliquot sum) s(n): 141561664
128431472 is an abundant number, because the sum of its proper divisors (141561664) is greater than itself. Its abundance is 13130192

Bases of 128431472

Binary: 111101001111011010101110000₂
Hexadecimal: 0x7A7B570
Base-36: 24GQCW

Squares and roots of 128431472

128431472 squared (128431472²) is 16494643000086784
128431472 cubed (128431472³) is 2118431280615641796866048
The square root of 128431472 is 11332.7610051567
The cube root of 128431472 is 504.5340563859

Scales and comparisons

How big is 128431472?

128,431,472 seconds is equal to 4 years, 4 weeks, 2 days, 11 hours, 24 minutes, 32 seconds.
To count from 1 to 128,431,472 would take you about six years!

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 128431472 cubic inches would be around 42 feet tall.

Recreational maths with 128431472

128431472 backwards is 274134821
The number of decimal digits it has is: 9
The sum of 128431472's digits is 32
More coming soon!

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The information we have on file for 128431472 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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