1381021

1,381,021 is an odd composite number composed of three prime numbers multiplied together.

What does the number 1381021 look like?

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

1381021 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 1381021:

53 × 71 × 367

See below for interesting mathematical facts about the number 1381021 from the Numbermatics database.


Names of 1381021

  • Cardinal: 1381021 can be written as One million, three hundred eighty-one thousand and twenty-one.

Scientific notation

  • Scientific notation: 1.381021 × 106

Factors of 1381021

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 3
  • Sum of prime factors: 491

Divisors of 1381021

  • Number of divisors d(n): 8
  • Complete list of divisors:
  • Sum of all divisors σ(n): 1430784
  • Sum of proper divisors (its aliquot sum) s(n): 49763
  • 1381021 is a deficient number, because the sum of its proper divisors (49763) is less than itself. Its deficiency is 1331258

Bases of 1381021

  • Binary: 1010100010010100111012
  • Hexadecimal: 0x15129D
  • Base-36: TLLP

Squares and roots of 1381021

  • 1381021 squared (13810212) is 1907219002441
  • 1381021 cubed (13810213) is 2633909493970072261
  • The square root of 1381021 is 1175.1684985567
  • The cube root of 1381021 is 111.3610783001

Scales and comparisons

How big is 1381021?
  • 1,381,021 seconds is equal to 2 weeks, 1 day, 23 hours, 37 minutes, 1 second.
  • To count from 1 to 1,381,021 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 1381021 cubic inches would be around 9.3 feet tall.

Recreational maths with 1381021

  • 1381021 backwards is 1201831
  • The number of decimal digits it has is: 7
  • The sum of 1381021's digits is 16
  • More coming soon!

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The information we have on file for 1381021 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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