139445

139,445 is an odd composite number composed of two prime numbers multiplied together.

What does the number 139445 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

139445 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

Prime factorization of 139445:

5 × 167²

(5 × 167 × 167)

See below for interesting mathematical facts about the number 139445 from the Numbermatics database.

Names of 139445

Cardinal: 139445 can be written as One hundred thirty-nine thousand, four hundred forty-five.

Scientific notation

Scientific notation: 1.39445 × 10⁵

Factors of 139445

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 3
Sum of prime factors: 172

Divisors of 139445

Number of divisors d(n): 6
Complete list of divisors:
1 5 167 835 27889 139445
Sum of all divisors σ(n): 168342
Sum of proper divisors (its aliquot sum) s(n): 28897
139445 is a deficient number, because the sum of its proper divisors (28897) is less than itself. Its deficiency is 110548

Bases of 139445

Binary: 100010000010110101₂
Hexadecimal: 0x220B5
Base-36: 2ZLH

Squares and roots of 139445

139445 squared (139445²) is 19444908025
139445 cubed (139445³) is 2711495199546125
The square root of 139445 is 373.4233522425
The cube root of 139445 is 51.8562350477

Scales and comparisons

How big is 139445?

139,445 seconds is equal to 1 day, 14 hours, 44 minutes, 5 seconds.
To count from 1 to 139,445 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 139445 cubic inches would be around 4.3 feet tall.

Recreational maths with 139445

139445 backwards is 544931
The number of decimal digits it has is: 6
The sum of 139445's digits is 26
More coming soon!

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The information we have on file for 139445 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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