139518813

139,518,813 is an odd composite number composed of four prime numbers multiplied together.

What does the number 139518813 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

139518813 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 139518813:

3 × 7 × 17 × 390809

See below for interesting mathematical facts about the number 139518813 from the Numbermatics database.

Names of 139518813

Cardinal: 139518813 can be written as One hundred thirty-nine million, five hundred eighteen thousand, eight hundred thirteen.

Scientific notation

Scientific notation: 1.39518813 × 10⁸

Factors of 139518813

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 390836

Divisors of 139518813

Number of divisors d(n): 16
Complete list of divisors:
1 3 7 17 21 51 119 357 390809 1172427 2735663 6643753 8206989 19931259 46506271 139518813
Sum of all divisors σ(n): 225106560
Sum of proper divisors (its aliquot sum) s(n): 85587747
139518813 is a deficient number, because the sum of its proper divisors (85587747) is less than itself. Its deficiency is 53931066

Bases of 139518813

Binary: 1000010100001110001101011101₂
Hexadecimal: 0x850E35D
Base-36: 2B2DEL

Squares and roots of 139518813

139518813 squared (139518813²) is 19465499180928969
139518813 cubed (139518813³) is 2715803340175681992193797
The square root of 139518813 is 11811.8082019647
The cube root of 139518813 is 518.6538319239

Scales and comparisons

How big is 139518813?

139,518,813 seconds is equal to 4 years, 22 weeks, 4 days, 19 hours, 13 minutes, 33 seconds.
To count from 1 to 139,518,813 would take you about six years!

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 139518813 cubic inches would be around 43.2 feet tall.

Recreational maths with 139518813

139518813 backwards is 318815931
The number of decimal digits it has is: 9
The sum of 139518813's digits is 39
More coming soon!

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The information we have on file for 139518813 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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