1399221

1,399,221 is an odd composite number composed of three prime numbers multiplied together.

What does the number 1399221 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 16 divisors.

1399221 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 1399221:

3³ × 29 × 1787

(3 × 3 × 3 × 29 × 1787)

See below for interesting mathematical facts about the number 1399221 from the Numbermatics database.

Names of 1399221

Cardinal: 1399221 can be written as One million, three hundred ninety-nine thousand, two hundred twenty-one.

Scientific notation

Scientific notation: 1.399221 × 10⁶

Factors of 1399221

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 1819

Divisors of 1399221

Number of divisors d(n): 16
Complete list of divisors:
1 3 9 27 29 87 261 783 1787 5361 16083 48249 51823 155469 466407 1399221
Sum of all divisors σ(n): 2145600
Sum of proper divisors (its aliquot sum) s(n): 746379
1399221 is a deficient number, because the sum of its proper divisors (746379) is less than itself. Its deficiency is 652842

Bases of 1399221

Binary: 101010101100110110101₂
Hexadecimal: 0x1559B5
Base-36: TZN9

Squares and roots of 1399221

1399221 squared (1399221²) is 1957819406841
1399221 cubed (1399221³) is 2739422028259470861
The square root of 1399221 is 1182.8867232327
The cube root of 1399221 is 111.8481413425

Scales and comparisons

How big is 1399221?

1,399,221 seconds is equal to 2 weeks, 2 days, 4 hours, 40 minutes, 21 seconds.
To count from 1 to 1,399,221 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 1399221 cubic inches would be around 9.3 feet tall.

Recreational maths with 1399221

1399221 backwards is 1229931
1399221 is a Harshad number.
The number of decimal digits it has is: 7
The sum of 1399221's digits is 27
More coming soon!

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The information we have on file for 1399221 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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