1681421

1,681,421 is an odd composite number composed of two prime numbers multiplied together.

What does the number 1681421 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

1681421 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 1681421:

7 × 240203

See below for interesting mathematical facts about the number 1681421 from the Numbermatics database.


Names of 1681421

  • Cardinal: 1681421 can be written as One million, six hundred eighty-one thousand, four hundred twenty-one.

Scientific notation

  • Scientific notation: 1.681421 × 106

Factors of 1681421

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 240210

Divisors of 1681421

  • Number of divisors d(n): 4
  • Complete list of divisors:
  • Sum of all divisors σ(n): 1921632
  • Sum of proper divisors (its aliquot sum) s(n): 240211
  • 1681421 is a deficient number, because the sum of its proper divisors (240211) is less than itself. Its deficiency is 1441210

Bases of 1681421

  • Binary: 1100110101000000011012
  • Hexadecimal: 0x19A80D
  • Base-36: 101E5

Squares and roots of 1681421

  • 1681421 squared (16814212) is 2827176579241
  • 1681421 cubed (16814213) is 4753674071043981461
  • The square root of 1681421 is 1296.6961864677
  • The cube root of 1681421 is 118.9119467253

Scales and comparisons

How big is 1681421?
  • 1,681,421 seconds is equal to 2 weeks, 5 days, 11 hours, 3 minutes, 41 seconds.
  • To count from 1 to 1,681,421 would take you about four 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 1681421 cubic inches would be around 9.9 feet tall.

Recreational maths with 1681421

  • 1681421 backwards is 1241861
  • The number of decimal digits it has is: 7
  • The sum of 1681421's digits is 23
  • More coming soon!

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"Number 1681421 - Facts about the integer". Numbermatics.com. 2024. Web. 28 March 2024.

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Numbermatics. (2024). Number 1681421 - Facts about the integer. Retrieved 28 March 2024, from https://numbermatics.com/n/1681421/

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Numbermatics. 2024. "Number 1681421 - Facts about the integer". https://numbermatics.com/n/1681421/

The information we have on file for 1681421 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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