139870

139,870 is an even composite number composed of four prime numbers multiplied together.

What does the number 139870 look like?

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

139870 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 139870:

2 × 5 × 71 × 197

See below for interesting mathematical facts about the number 139870 from the Numbermatics database.

Names of 139870

Cardinal: 139870 can be written as One hundred thirty-nine thousand, eight hundred seventy.

Scientific notation

Scientific notation: 1.3987 × 10⁵

Factors of 139870

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 275

Divisors of 139870

Number of divisors d(n): 16
Complete list of divisors:
1 2 5 10 71 142 197 355 394 710 985 1970 13987 27974 69935 139870
Sum of all divisors σ(n): 256608
Sum of proper divisors (its aliquot sum) s(n): 116738
139870 is a deficient number, because the sum of its proper divisors (116738) is less than itself. Its deficiency is 23132

Bases of 139870

Binary: 100010001001011110₂
Hexadecimal: 0x2225E
Base-36: 2ZXA

Squares and roots of 139870

139870 squared (139870²) is 19563616900
139870 cubed (139870³) is 2736363095803000
The square root of 139870 is 373.9919785237
The cube root of 139870 is 51.9088640357

Scales and comparisons

How big is 139870?

139,870 seconds is equal to 1 day, 14 hours, 51 minutes, 10 seconds.
To count from 1 to 139,870 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 139870 cubic inches would be around 4.3 feet tall.

Recreational maths with 139870

139870 backwards is 078931
The number of decimal digits it has is: 6
The sum of 139870's digits is 28
More coming soon!

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The information we have on file for 139870 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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