149987

149,987 is an odd composite number composed of two prime numbers multiplied together.

What does the number 149987 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

149987 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 149987:

127 × 1181

See below for interesting mathematical facts about the number 149987 from the Numbermatics database.

Names of 149987

Cardinal: 149987 can be written as One hundred forty-nine thousand, nine hundred eighty-seven.

Scientific notation

Scientific notation: 1.49987 × 10⁵

Factors of 149987

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 2
Sum of prime factors: 1308

Divisors of 149987

Number of divisors d(n): 4
Complete list of divisors:
1 127 1181 149987
Sum of all divisors σ(n): 151296
Sum of proper divisors (its aliquot sum) s(n): 1309
149987 is a deficient number, because the sum of its proper divisors (1309) is less than itself. Its deficiency is 148678

Bases of 149987

Binary: 100100100111100011₂
Hexadecimal: 0x249E3
Base-36: 37QB

Squares and roots of 149987

149987 squared (149987²) is 22496100169
149987 cubed (149987³) is 3374122576047803
The square root of 149987 is 387.2815513293
The cube root of 149987 is 53.1313934635

Scales and comparisons

How big is 149987?

149,987 seconds is equal to 1 day, 17 hours, 39 minutes, 47 seconds.
To count from 1 to 149,987 would take you about seventeen 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 149987 cubic inches would be around 4.4 feet tall.

Recreational maths with 149987

149987 backwards is 789941
The number of decimal digits it has is: 6
The sum of 149987's digits is 38
More coming soon!

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The information we have on file for 149987 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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