139420

139,420 is an even composite number composed of three prime numbers multiplied together.

What does the number 139420 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

139420 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 139420:

2² × 5 × 6971

(2 × 2 × 5 × 6971)

See below for interesting mathematical facts about the number 139420 from the Numbermatics database.

Names of 139420

Cardinal: 139420 can be written as One hundred thirty-nine thousand, four hundred twenty.

Scientific notation

Scientific notation: 1.3942 × 10⁵

Factors of 139420

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 6978

Divisors of 139420

Number of divisors d(n): 12
Complete list of divisors:
1 2 4 5 10 20 6971 13942 27884 34855 69710 139420
Sum of all divisors σ(n): 292824
Sum of proper divisors (its aliquot sum) s(n): 153404
139420 is an abundant number, because the sum of its proper divisors (153404) is greater than itself. Its abundance is 13984

Bases of 139420

Binary: 100010000010011100₂
Hexadecimal: 0x2209C
Base-36: 2ZKS

Squares and roots of 139420

139420 squared (139420²) is 19437936400
139420 cubed (139420³) is 2710037092888000
The square root of 139420 is 373.3898766705
The cube root of 139420 is 51.8531358965

Scales and comparisons

How big is 139420?

139,420 seconds is equal to 1 day, 14 hours, 43 minutes, 40 seconds.
To count from 1 to 139,420 would take you about fourteen hours.

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 139420 cubic inches would be around 4.3 feet tall.

Recreational maths with 139420

139420 backwards is 024931
The number of decimal digits it has is: 6
The sum of 139420's digits is 19
More coming soon!

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The information we have on file for 139420 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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