1997987

1,997,987 is an odd composite number composed of two prime numbers multiplied together.

What does the number 1997987 look like?

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

1997987 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 1997987:

23 × 86869

See below for interesting mathematical facts about the number 1997987 from the Numbermatics database.


Names of 1997987

  • Cardinal: 1997987 can be written as One million, nine hundred ninety-seven thousand, nine hundred eighty-seven.

Scientific notation

  • Scientific notation: 1.997987 × 106

Factors of 1997987

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 86892

Divisors of 1997987

  • Number of divisors d(n): 4
  • Complete list of divisors:
  • Sum of all divisors σ(n): 2084880
  • Sum of proper divisors (its aliquot sum) s(n): 86893
  • 1997987 is a deficient number, because the sum of its proper divisors (86893) is less than itself. Its deficiency is 1911094

Bases of 1997987

  • Binary: 1111001111100101000112
  • Hexadecimal: 0x1E7CA3
  • Base-36: 16TNN

Squares and roots of 1997987

  • 1997987 squared (19979872) is 3991952052169
  • 1997987 cubed (19979873) is 7975868304856983803
  • The square root of 1997987 is 1413.5016802255
  • The cube root of 1997987 is 125.9498204487

Scales and comparisons

How big is 1997987?
  • 1,997,987 seconds is equal to 3 weeks, 2 days, 2 hours, 59 minutes, 47 seconds.
  • To count from 1 to 1,997,987 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 1997987 cubic inches would be around 10.5 feet tall.

Recreational maths with 1997987

  • 1997987 backwards is 7897991
  • The number of decimal digits it has is: 7
  • The sum of 1997987's digits is 50
  • More coming soon!

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"Number 1997987 - Facts about the integer". Numbermatics.com. 2024. Web. 6 June 2024.

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Numbermatics. (2024). Number 1997987 - Facts about the integer. Retrieved 6 June 2024, from https://numbermatics.com/n/1997987/

Chicago style:
Numbermatics. 2024. "Number 1997987 - Facts about the integer". https://numbermatics.com/n/1997987/

The information we have on file for 1997987 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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