13139145

13,139,145 is an odd composite number composed of three prime numbers multiplied together.

What does the number 13139145 look like?

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

13139145 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 13139145:

3³ × 5 × 97327

(3 × 3 × 3 × 5 × 97327)

See below for interesting mathematical facts about the number 13139145 from the Numbermatics database.

Names of 13139145

Cardinal: 13139145 can be written as Thirteen million, one hundred thirty-nine thousand, one hundred forty-five.

Scientific notation

Scientific notation: 1.3139145 × 10⁷

Factors of 13139145

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 97335

Divisors of 13139145

Number of divisors d(n): 16
Complete list of divisors:
1 3 5 9 15 27 45 135 97327 291981 486635 875943 1459905 2627829 4379715 13139145
Sum of all divisors σ(n): 23358720
Sum of proper divisors (its aliquot sum) s(n): 10219575
13139145 is a deficient number, because the sum of its proper divisors (10219575) is less than itself. Its deficiency is 2919570

Bases of 13139145

Binary: 110010000111110011001001₂
Hexadecimal: 0xC87CC9
Base-36: 7TM89

Squares and roots of 13139145

13139145 squared (13139145²) is 172637131331025
13139145 cubed (13139145³) is 2268304300942380473625
The square root of 13139145 is 3624.7958563207
The cube root of 13139145 is 235.9694073627

Scales and comparisons

How big is 13139145?

13,139,145 seconds is equal to 21 weeks, 5 days, 1 hour, 45 minutes, 45 seconds.
To count from 1 to 13,139,145 would take you about thirty-two 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 13139145 cubic inches would be around 19.7 feet tall.

Recreational maths with 13139145

13139145 backwards is 54193131
13139145 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 13139145's digits is 27
More coming soon!

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The information we have on file for 13139145 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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