Home » 4th Roots » 4th Root of 8

4th Root of 8

The 4th root of 8 is the number, which multiplied by itself 4 times, is 8. In other words, this number to the power of 4 equals 8.

Besides the real values of

along with an explanation, on this page you can also find what the elements of the 4th root of 8 are called.

In addition to the terminology, we have a calculator you don’t want to miss:



⁴√88 = ±1.6817928305
This 4th Root ⇄ Number Calculator is Really Cool! Click To TweetIf you have been looking for the 4th root of eight, then you are right here, too.

Fourth Root of 8

In this section we provide you with important additional information about the topic of this post:

The term can be written as ⁴√8 or 8^1/4.

As the index 4 is even and 8 is greater than 0, 8 has two real 4th roots:

⁴√8, which is positive and called principal 4th root of 8, and -⁴√8 which is negative.

Together, they are denominated as

Although the principal fourth root of eight is only one of the two 4th roots, the term “4th root of 8” usually refers to the positive number, that is the principal square root.

If you want to know how to find the value of this root, then read our article 4th Root located in the header menu.

There, we also discuss the properties for index n8 = 4 by means of examples: multiplication, division, exponentiation etc.

Next, we have a look at the inverse function.

Inverse of 4th Root of 8

Extracting the 4th root is the inverse operation of ^4:

In the following paragraph, we are going to name the elements of this ∜.

What is the 4th Root of 8?

You already have the answer to that question, and you also know about the inverse operation of 8 4th root.

Keep reading to learn what the parts are called.

  • ⁴√8 is the 4th root of 8 symbol
  • 4 is the index
  • 88 = radicand; the radicand is the number below the radical sign
  • 4th root8 = ±1.6817928305
  • √ is called radical symbol or radical only

4th root of 88 = ±1.6817928305

As a sidenote: All values on this page have been rounded to ten decimal places.

Now you really know all about ⁴√8, including its values, parts and the inverse.

If you need to extract the 4th root of any other real number use our calculator above.

Simply insert the number of which you want to find the 4th root (e.g. 8); the calculation is done automatically.

If you like our information about ⁴√8, then a similar 4th root you may be interested in is, for example: 4th root of 10.

In the following table you can find the n-th root of 8 for n8 = 2,3,4,5,6,7,8,9,10.


The aim of this table is to provide you with an overview of the nth roots of 8.

28Square Root of 8²√8±2.8284271247
38Cube Root of 8³√82
48Forth Root of 8⁴√8±1.6817928305
58Fifth Root of 8⁵√81.5157165665
68Sixth Root of 8⁶√8±1.4142135624
78Seventh Root of 8⁷√81.3459001926
88Eight Root of 8⁸√8±1.2968395547
98Nineth Root of 8⁹√81.2599210499
108Tenth Root of 8¹⁰√8±1.2311444133

A few lines down from here we review the FAQs.

Fourth Root of Eight

If you have been searching for what’s the fourth root of eight or 4-th root of 8, then you are reading the right post as well.

The same is true if you typed 4 root of 8 or 8 4 root in the search engine of your preference, just to name a few similar terms.

If something remains unclear do not hesitate getting in touch with us.

We are constantly trying to improve our site, and truly appreciate your feedback.

Ahead is the wrap-up of our information.


To sum up, the fourth roots of 8 are ±1.6817928305.

Finding the 4th root of the number 8 is the inverse operation of rising the ⁴√8 to the power of 4. That is to say, (±1.6817928305)48 = 8.

Further information related to ⁴√8 can be found on our page 4th Root.

Note that you can also locate roots like ⁴√8 by means of the search form in the menu and in the sidebar of this site.

If our article about the fourth √ 8 has been useful to you , then press some of the share buttons located at the bottom of this page.

If you have any questions about the 4-th root of 8, fill in the comment form below.

Websites which are related to this one can be found in the “recommended sites” section in the sidebar.

Last, but not least, don’t forget to install our absolutely free PWA app (see menu or sidebar), or to bookmark us.

And come back soon!

Thanks for your visit.