155409

155,409 is an odd composite number composed of two prime numbers multiplied together.

What does the number 155409 look like?

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

155409 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 155409:

3 × 51803

See below for interesting mathematical facts about the number 155409 from the Numbermatics database.

Names of 155409

Cardinal: 155409 can be written as One hundred fifty-five thousand, four hundred nine.

Scientific notation

Scientific notation: 1.55409 × 10⁵

Factors of 155409

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 2
Sum of prime factors: 51806

Divisors of 155409

Number of divisors d(n): 4
Complete list of divisors:
1 3 51803 155409
Sum of all divisors σ(n): 207216
Sum of proper divisors (its aliquot sum) s(n): 51807
155409 is a deficient number, because the sum of its proper divisors (51807) is less than itself. Its deficiency is 103602

Bases of 155409

Binary: 100101111100010001₂
Hexadecimal: 0x25F11
Base-36: 3BWX

Squares and roots of 155409

155409 squared (155409²) is 24151957281
155409 cubed (155409³) is 3753431529082929
The square root of 155409 is 394.2194820147
The cube root of 155409 is 53.7640597797

Scales and comparisons

How big is 155409?

155,409 seconds is equal to 1 day, 19 hours, 10 minutes, 9 seconds.
To count from 1 to 155,409 would take you about nineteen 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 155409 cubic inches would be around 4.5 feet tall.

Recreational maths with 155409

155409 backwards is 904551
The number of decimal digits it has is: 6
The sum of 155409's digits is 24
More coming soon!

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The information we have on file for 155409 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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