7628421

7,628,421 is an odd composite number composed of three prime numbers multiplied together.

What does the number 7628421 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

7628421 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 7628421:

3 × 29 × 87683

See below for interesting mathematical facts about the number 7628421 from the Numbermatics database.


Names of 7628421

  • Cardinal: 7628421 can be written as Seven million, six hundred twenty-eight thousand, four hundred twenty-one.

Scientific notation

  • Scientific notation: 7.628421 × 106

Factors of 7628421

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 3
  • Sum of prime factors: 87715

Divisors of 7628421

  • Number of divisors d(n): 8
  • Complete list of divisors:
  • Sum of all divisors σ(n): 10522080
  • Sum of proper divisors (its aliquot sum) s(n): 2893659
  • 7628421 is a deficient number, because the sum of its proper divisors (2893659) is less than itself. Its deficiency is 4734762

Bases of 7628421

  • Binary: 111010001100110100001012
  • Hexadecimal: 0x746685
  • Base-36: 4JI4L

Squares and roots of 7628421

  • 7628421 squared (76284212) is 58192806953241
  • 7628421 cubed (76284213) is 443919230611049662461
  • The square root of 7628421 is 2761.9596304073
  • The cube root of 7628421 is 196.8542902883

Scales and comparisons

How big is 7628421?
  • 7,628,421 seconds is equal to 12 weeks, 4 days, 7 hours, 21 seconds.
  • To count from 1 to 7,628,421 would take you about eighteen 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 7628421 cubic inches would be around 16.4 feet tall.

Recreational maths with 7628421

  • 7628421 backwards is 1248267
  • The number of decimal digits it has is: 7
  • The sum of 7628421's digits is 30
  • More coming soon!

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"Number 7628421 - Facts about the integer". Numbermatics.com. 2021. Web. 9 December 2021.

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Numbermatics. (2021). Number 7628421 - Facts about the integer. Retrieved 9 December 2021, from https://numbermatics.com/n/7628421/

Chicago style:
Numbermatics. 2021. "Number 7628421 - Facts about the integer". https://numbermatics.com/n/7628421/

The information we have on file for 7628421 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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