1288728

1,288,728 is an even composite number composed of four prime numbers multiplied together.

What does the number 1288728 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 48 divisors.

1288728 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 1288728:

2³ × 3² × 7 × 2557

(2 × 2 × 2 × 3 × 3 × 7 × 2557)

See below for interesting mathematical facts about the number 1288728 from the Numbermatics database.

Names of 1288728

Cardinal: 1288728 can be written as One million, two hundred eighty-eight thousand, seven hundred twenty-eight.

Scientific notation

Scientific notation: 1.288728 × 10⁶

Factors of 1288728

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 2569

Divisors of 1288728

Number of divisors d(n): 48
Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 252 504 2557 5114 7671 10228 15342 17899 20456 23013 30684 35798 46026 53697 61368 71596 92052 107394 143192 161091 184104 214788 322182 429576 644364 1288728
Sum of all divisors σ(n): 3990480
Sum of proper divisors (its aliquot sum) s(n): 2701752
1288728 is an abundant number, because the sum of its proper divisors (2701752) is greater than itself. Its abundance is 1413024

Bases of 1288728

Binary: 100111010101000011000₂
Hexadecimal: 0x13AA18
Base-36: RME0

Squares and roots of 1288728

1288728 squared (1288728²) is 1660819857984
1288728 cubed (1288728³) is 2140345053940004352
The square root of 1288728 is 1135.2215642773
The cube root of 1288728 is 108.8229316571

Scales and comparisons

How big is 1288728?

1,288,728 seconds is equal to 2 weeks, 21 hours, 58 minutes, 48 seconds.
To count from 1 to 1,288,728 would take you about three weeks!

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 1288728 cubic inches would be around 9.1 feet tall.

Recreational maths with 1288728

1288728 backwards is 8278821
1288728 is a Harshad number.
The number of decimal digits it has is: 7
The sum of 1288728's digits is 36
More coming soon!

Copy this link to share with anyone:

Share this page on social media:

Link to this page

HTML: To link to this page, just copy and paste the link below into your blog, web page or email.

<a href="https://numbermatics.com/n/1288728/?utm_source=shared">Number 1288728 - Facts about the integer</a>

BBCODE: To link to this page in a forum post or comment box, just copy and paste the link code below:

[url=https://numbermatics.com/n/1288728/?utm_source=shared]Number 1288728 - Facts about the integer[/url]

Cite this page

MLA style:
"Number 1288728 - Facts about the integer". Numbermatics.com. 2024. Web. 24 April 2024.

APA style:
Numbermatics. (2024). Number 1288728 - Facts about the integer. Retrieved 24 April 2024, from https://numbermatics.com/n/1288728/

Chicago style:
Numbermatics. 2024. "Number 1288728 - Facts about the integer". https://numbermatics.com/n/1288728/

The information we have on file for 1288728 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!

Keywords: Divisors of 1288728, math, Factors of 1288728, curriculum, school, college, exams, university, Prime factorization of 1288728, STEM, science, technology, engineering, physics, economics, calculator, one million, two hundred eighty-eight thousand, seven hundred twenty-eight.