155388

155,388 is an even composite number composed of four prime numbers multiplied together.

What does the number 155388 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

155388 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 155388:

2² × 3 × 23 × 563

(2 × 2 × 3 × 23 × 563)

See below for interesting mathematical facts about the number 155388 from the Numbermatics database.

Names of 155388

Cardinal: 155388 can be written as One hundred fifty-five thousand, three hundred eighty-eight.

Scientific notation

Scientific notation: 1.55388 × 10⁵

Factors of 155388

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 591

Divisors of 155388

Number of divisors d(n): 24
Complete list of divisors:
1 2 3 4 6 12 23 46 69 92 138 276 563 1126 1689 2252 3378 6756 12949 25898 38847 51796 77694 155388
Sum of all divisors σ(n): 379008
Sum of proper divisors (its aliquot sum) s(n): 223620
155388 is an abundant number, because the sum of its proper divisors (223620) is greater than itself. Its abundance is 68232

Bases of 155388

Binary: 100101111011111100₂
Hexadecimal: 0x25EFC
Base-36: 3BWC

Squares and roots of 155388

155388 squared (155388²) is 24145430544
155388 cubed (155388³) is 3751910161371072
The square root of 155388 is 394.1928462061
The cube root of 155388 is 53.7616380063

Scales and comparisons

How big is 155388?

155,388 seconds is equal to 1 day, 19 hours, 9 minutes, 48 seconds.
To count from 1 to 155,388 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 155388 cubic inches would be around 4.5 feet tall.

Recreational maths with 155388

155388 backwards is 883551
The number of decimal digits it has is: 6
The sum of 155388's digits is 30
More coming soon!

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The information we have on file for 155388 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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