128442123742458456

128,442,123,742,458,456 is an even composite number composed of six prime numbers multiplied together.

What does the number 128442123742458456 look like?

This visualization shows the relationship between its 6 prime factors (large circles) and 2688 divisors.

128442123742458456 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two thousand, six hundred eighty-eight divisors.

Prime factorization of 128442123742458456:

23 × 36 × 73 × 412 × 673 × 127

(2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 7 × 7 × 7 × 41 × 41 × 67 × 67 × 67 × 127)

See below for interesting mathematical facts about the number 128442123742458456 from the Numbermatics database.


Names of 128442123742458456

  • Cardinal: 128442123742458456 can be written as One hundred twenty-eight quadrillion, four hundred forty-two trillion, one hundred twenty-three billion, seven hundred forty-two million, four hundred fifty-eight thousand, four hundred fifty-six.

Scientific notation

  • Scientific notation: 1.28442123742458456 × 1017

Factors of 128442123742458456

  • Number of distinct prime factors ω(n): 6
  • Total number of prime factors Ω(n): 18
  • Sum of prime factors: 247

Divisors of 128442123742458456

Bases of 128442123742458456

  • Binary: 1110010000101000101101110010101111101110110110010010110002
  • Hexadecimal: 0x1C8516E57DDB258
  • Base-36: Z4OXL2EWDI0

Squares and roots of 128442123742458456

  • 128442123742458456 squared (1284421237424584562) is 16497379151473010207128734885903936
  • 128442123742458456 cubed (1284421237424584563) is 2118958414399750661053525727106705010517700486882816
  • The square root of 128442123742458456 is 358388230.4742420751
  • The cube root of 128442123742458456 is 504548.0042087447

Scales and comparisons

How big is 128442123742458456?
  • 128,442,123,742,458,456 seconds is equal to 4,084,062,237 years, 22 weeks, 4 days, 14 hours, 27 minutes, 36 seconds.
  • To count from 1 to 128,442,123,742,458,456 would take you about twelve billion, two hundred fifty-two million, one hundred eighty-six thousand, seven hundred twelve 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 128442123742458456 cubic inches would be around 42045.7 feet tall.

Recreational maths with 128442123742458456

  • 128442123742458456 backwards is 654854247321244821
  • 128442123742458456 is a Harshad number.
  • The number of decimal digits it has is: 18
  • The sum of 128442123742458456's digits is 72
  • 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.

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

Cite this page

MLA style:
"Number 128442123742458456 - Facts about the integer". Numbermatics.com. 2024. Web. 25 May 2024.

APA style:
Numbermatics. (2024). Number 128442123742458456 - Facts about the integer. Retrieved 25 May 2024, from https://numbermatics.com/n/128442123742458456/

Chicago style:
Numbermatics. 2024. "Number 128442123742458456 - Facts about the integer". https://numbermatics.com/n/128442123742458456/

The information we have on file for 128442123742458456 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 128442123742458456, math, Factors of 128442123742458456, curriculum, school, college, exams, university, Prime factorization of 128442123742458456, STEM, science, technology, engineering, physics, economics, calculator, one hundred twenty-eight quadrillion, four hundred forty-two trillion, one hundred twenty-three billion, seven hundred forty-two million, four hundred fifty-eight thousand, four hundred fifty-six.

Oh no. Javascript is switched off in your browser.
Some bits of this website may not work unless you switch it on.