128121824

128,121,824 is an even composite number composed of three prime numbers multiplied together.

What does the number 128121824 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 24 divisors.

128121824 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 128121824:

2⁵ × 37 × 108211

(2 × 2 × 2 × 2 × 2 × 37 × 108211)

See below for interesting mathematical facts about the number 128121824 from the Numbermatics database.

Names of 128121824

Cardinal: 128121824 can be written as One hundred twenty-eight million, one hundred twenty-one thousand, eight hundred twenty-four.

Scientific notation

Scientific notation: 1.28121824 × 10⁸

Factors of 128121824

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 7
Sum of prime factors: 108250

Divisors of 128121824

Number of divisors d(n): 24
Complete list of divisors:
1 2 4 8 16 32 37 74 148 296 592 1184 108211 216422 432844 865688 1731376 3462752 4003807 8007614 16015228 32030456 64060912 128121824
Sum of all divisors σ(n): 259059528
Sum of proper divisors (its aliquot sum) s(n): 130937704
128121824 is an abundant number, because the sum of its proper divisors (130937704) is greater than itself. Its abundance is 2815880

Bases of 128121824

Binary: 111101000101111101111100000₂
Hexadecimal: 0x7A2FBE0
Base-36: 24A3FK

Squares and roots of 128121824

128121824 squared (128121824²) is 16415201785086976
128121824 cubed (128121824³) is 2103145594033399363764224
The square root of 128121824 is 11319.0911295917
The cube root of 128121824 is 504.1282532427

Scales and comparisons

How big is 128121824?

128,121,824 seconds is equal to 4 years, 3 weeks, 5 days, 21 hours, 23 minutes, 44 seconds.
To count from 1 to 128,121,824 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 128121824 cubic inches would be around 42 feet tall.

Recreational maths with 128121824

128121824 backwards is 428121821
The number of decimal digits it has is: 9
The sum of 128121824's digits is 29
More coming soon!

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The information we have on file for 128121824 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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