128688028

128,688,028 is an even composite number composed of five prime numbers multiplied together.

What does the number 128688028 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 48 divisors.

128688028 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 128688028:

2² × 7 × 17 × 53 × 5101

(2 × 2 × 7 × 17 × 53 × 5101)

See below for interesting mathematical facts about the number 128688028 from the Numbermatics database.

Names of 128688028

Cardinal: 128688028 can be written as One hundred twenty-eight million, six hundred eighty-eight thousand and twenty-eight.

Scientific notation

Scientific notation: 1.28688028 × 10⁸

Factors of 128688028

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 5180

Divisors of 128688028

Number of divisors d(n): 48
Complete list of divisors:
1 2 4 7 14 17 28 34 53 68 106 119 212 238 371 476 742 901 1484 1802 3604 5101 6307 10202 12614 20404 25228 35707 71414 86717 142828 173434 270353 346868 540706 607019 1081412 1214038 1892471 2428076 3784942 4596001 7569884 9192002 18384004 32172007 64344014 128688028
Sum of all divisors σ(n): 277712064
Sum of proper divisors (its aliquot sum) s(n): 149024036
128688028 is an abundant number, because the sum of its proper divisors (149024036) is greater than itself. Its abundance is 20336008

Bases of 128688028

Binary: 111101010111001111110011100₂
Hexadecimal: 0x7AB9F9C
Base-36: 24M8BG

Squares and roots of 128688028

128688028 squared (128688028²) is 16560608550528784
128688028 cubed (128688028³) is 2131152056847487570197952
The square root of 128688028 is 11344.0745766239
The cube root of 128688028 is 504.8697870335

Scales and comparisons

How big is 128688028?

128,688,028 seconds is equal to 4 years, 4 weeks, 5 days, 10 hours, 40 minutes, 28 seconds.
To count from 1 to 128,688,028 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 128688028 cubic inches would be around 42.1 feet tall.

Recreational maths with 128688028

128688028 backwards is 820886821
The number of decimal digits it has is: 9
The sum of 128688028's digits is 43
More coming soon!

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The information we have on file for 128688028 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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