139890

139,890 is an even composite number composed of four prime numbers multiplied together.

What does the number 139890 look like?

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

139890 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 139890:

2 × 3 × 5 × 4663

See below for interesting mathematical facts about the number 139890 from the Numbermatics database.

Names of 139890

Cardinal: 139890 can be written as One hundred thirty-nine thousand, eight hundred ninety.

Scientific notation

Scientific notation: 1.3989 × 10⁵

Factors of 139890

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 4673

Divisors of 139890

Number of divisors d(n): 16
Complete list of divisors:
1 2 3 5 6 10 15 30 4663 9326 13989 23315 27978 46630 69945 139890
Sum of all divisors σ(n): 335808
Sum of proper divisors (its aliquot sum) s(n): 195918
139890 is an abundant number, because the sum of its proper divisors (195918) is greater than itself. Its abundance is 56028

Bases of 139890

Binary: 100010001001110010₂
Hexadecimal: 0x22272
Base-36: 2ZXU

Squares and roots of 139890

139890 squared (139890²) is 19569212100
139890 cubed (139890³) is 2737537080669000
The square root of 139890 is 374.0187161093
The cube root of 139890 is 51.9113380659

Scales and comparisons

How big is 139890?

139,890 seconds is equal to 1 day, 14 hours, 51 minutes, 30 seconds.
To count from 1 to 139,890 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 139890 cubic inches would be around 4.3 feet tall.

Recreational maths with 139890

139890 backwards is 098931
139890 is a Harshad number.
The number of decimal digits it has is: 6
The sum of 139890's digits is 30
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The information we have on file for 139890 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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