139978

139,978 is an even composite number composed of four prime numbers multiplied together.

What does the number 139978 look like?

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

139978 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 139978:

2 × 17 × 23 × 179

See below for interesting mathematical facts about the number 139978 from the Numbermatics database.

Names of 139978

Cardinal: 139978 can be written as One hundred thirty-nine thousand, nine hundred seventy-eight.

Scientific notation

Scientific notation: 1.39978 × 10⁵

Factors of 139978

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 221

Divisors of 139978

Number of divisors d(n): 16
Complete list of divisors:
1 2 17 23 34 46 179 358 391 782 3043 4117 6086 8234 69989 139978
Sum of all divisors σ(n): 233280
Sum of proper divisors (its aliquot sum) s(n): 93302
139978 is a deficient number, because the sum of its proper divisors (93302) is less than itself. Its deficiency is 46676

Bases of 139978

Binary: 100010001011001010₂
Hexadecimal: 0x222CA
Base-36: 300A

Squares and roots of 139978

139978 squared (139978²) is 19593840484
139978 cubed (139978³) is 2742706603269352
The square root of 139978 is 374.1363387857
The cube root of 139978 is 51.9222209981

Scales and comparisons

How big is 139978?

139,978 seconds is equal to 1 day, 14 hours, 52 minutes, 58 seconds.
To count from 1 to 139,978 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 139978 cubic inches would be around 4.3 feet tall.

Recreational maths with 139978

139978 backwards is 879931
The number of decimal digits it has is: 6
The sum of 139978's digits is 37
More coming soon!

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The information we have on file for 139978 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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