1389728

1,389,728 is an even composite number composed of three prime numbers multiplied together.

What does the number 1389728 look like?

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

1389728 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 1389728:

2⁵ × 137 × 317

(2 × 2 × 2 × 2 × 2 × 137 × 317)

See below for interesting mathematical facts about the number 1389728 from the Numbermatics database.

Names of 1389728

Cardinal: 1389728 can be written as One million, three hundred eighty-nine thousand, seven hundred twenty-eight.

Scientific notation

Scientific notation: 1.389728 × 10⁶

Factors of 1389728

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 7
Sum of prime factors: 456

Divisors of 1389728

Number of divisors d(n): 24
Complete list of divisors:
1 2 4 8 16 32 137 274 317 548 634 1096 1268 2192 2536 4384 5072 10144 43429 86858 173716 347432 694864 1389728
Sum of all divisors σ(n): 2764692
Sum of proper divisors (its aliquot sum) s(n): 1374964
1389728 is a deficient number, because the sum of its proper divisors (1374964) is less than itself. Its deficiency is 14764

Bases of 1389728

Binary: 101010011010010100000₂
Hexadecimal: 0x1534A0
Base-36: TSBK

Squares and roots of 1389728

1389728 squared (1389728²) is 1931343913984
1389728 cubed (1389728³) is 2684042714893156352
The square root of 1389728 is 1178.8672529169
The cube root of 1389728 is 111.5946229687

Scales and comparisons

How big is 1389728?

1,389,728 seconds is equal to 2 weeks, 2 days, 2 hours, 2 minutes, 8 seconds.
To count from 1 to 1,389,728 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 1389728 cubic inches would be around 9.3 feet tall.

Recreational maths with 1389728

1389728 backwards is 8279831
The number of decimal digits it has is: 7
The sum of 1389728's digits is 38
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/1389728/?utm_source=shared">Number 1389728 - 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/1389728/?utm_source=shared]Number 1389728 - Facts about the integer[/url]

Cite this page

MLA style:
"Number 1389728 - Facts about the integer". Numbermatics.com. 2024. Web. 4 June 2024.

APA style:
Numbermatics. (2024). Number 1389728 - Facts about the integer. Retrieved 4 June 2024, from https://numbermatics.com/n/1389728/

Chicago style:
Numbermatics. 2024. "Number 1389728 - Facts about the integer". https://numbermatics.com/n/1389728/

The information we have on file for 1389728 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 1389728, math, Factors of 1389728, curriculum, school, college, exams, university, Prime factorization of 1389728, STEM, science, technology, engineering, physics, economics, calculator, one million, three hundred eighty-nine thousand, seven hundred twenty-eight.