1390385

1,390,385 is an odd composite number composed of three prime numbers multiplied together.

What does the number 1390385 look like?

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

1390385 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 1390385:

5 × 487 × 571

See below for interesting mathematical facts about the number 1390385 from the Numbermatics database.


Names of 1390385

  • Cardinal: 1390385 can be written as One million, three hundred ninety thousand, three hundred eighty-five.

Scientific notation

  • Scientific notation: 1.390385 × 106

Factors of 1390385

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 3
  • Sum of prime factors: 1063

Divisors of 1390385

  • Number of divisors d(n): 8
  • Complete list of divisors:
  • Sum of all divisors σ(n): 1674816
  • Sum of proper divisors (its aliquot sum) s(n): 284431
  • 1390385 is a deficient number, because the sum of its proper divisors (284431) is less than itself. Its deficiency is 1105954

Bases of 1390385

  • Binary: 1010100110111001100012
  • Hexadecimal: 0x153731
  • Base-36: TSTT

Squares and roots of 1390385

  • 1390385 squared (13903852) is 1933170448225
  • 1390385 cubed (13903853) is 2687851193655316625
  • The square root of 1390385 is 1179.1458773197
  • The cube root of 1390385 is 111.6122058137

Scales and comparisons

How big is 1390385?
  • 1,390,385 seconds is equal to 2 weeks, 2 days, 2 hours, 13 minutes, 5 seconds.
  • To count from 1 to 1,390,385 would take you about three 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 1390385 cubic inches would be around 9.3 feet tall.

Recreational maths with 1390385

  • 1390385 backwards is 5830931
  • The number of decimal digits it has is: 7
  • The sum of 1390385's digits is 29
  • More coming soon!

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"Number 1390385 - Facts about the integer". Numbermatics.com. 2024. Web. 29 March 2024.

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Numbermatics. (2024). Number 1390385 - Facts about the integer. Retrieved 29 March 2024, from https://numbermatics.com/n/1390385/

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Numbermatics. 2024. "Number 1390385 - Facts about the integer". https://numbermatics.com/n/1390385/

The information we have on file for 1390385 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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