139872991

139,872,991 is an odd composite number composed of three prime numbers multiplied together.

What does the number 139872991 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

139872991 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 139872991:

17 × 827 × 9949

See below for interesting mathematical facts about the number 139872991 from the Numbermatics database.

Names of 139872991

Cardinal: 139872991 can be written as One hundred thirty-nine million, eight hundred seventy-two thousand, nine hundred ninety-one.

Scientific notation

Scientific notation: 1.39872991 × 10⁸

Factors of 139872991

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 3
Sum of prime factors: 10793

Divisors of 139872991

Number of divisors d(n): 8
Complete list of divisors:
1 17 827 9949 14059 169133 8227823 139872991
Sum of all divisors σ(n): 148294800
Sum of proper divisors (its aliquot sum) s(n): 8421809
139872991 is a deficient number, because the sum of its proper divisors (8421809) is less than itself. Its deficiency is 131451182

Bases of 139872991

Binary: 1000010101100100101011011111₂
Hexadecimal: 0x8564ADF
Base-36: 2B9YOV

Squares and roots of 139872991

139872991 squared (139872991²) is 19564453611286081
139872991 cubed (139872991³) is 2736538643891335506138271
The square root of 139872991 is 11826.7912385397
The cube root of 139872991 is 519.0923404193

Scales and comparisons

How big is 139872991?

139,872,991 seconds is equal to 4 years, 23 weeks, 1 day, 21 hours, 36 minutes, 31 seconds.
To count from 1 to 139,872,991 would take you about six years!

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 139872991 cubic inches would be around 43.3 feet tall.

Recreational maths with 139872991

139872991 backwards is 199278931
The number of decimal digits it has is: 9
The sum of 139872991's digits is 49
More coming soon!

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The information we have on file for 139872991 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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