155540

155,540 is an even composite number composed of five prime numbers multiplied together.

What does the number 155540 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 48 divisors.

155540 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 155540:

2² × 5 × 7 × 11 × 101

(2 × 2 × 5 × 7 × 11 × 101)

See below for interesting mathematical facts about the number 155540 from the Numbermatics database.

Names of 155540

Cardinal: 155540 can be written as One hundred fifty-five thousand, five hundred forty.

Scientific notation

Scientific notation: 1.5554 × 10⁵

Factors of 155540

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 126

Divisors of 155540

Number of divisors d(n): 48
Complete list of divisors:
1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 101 110 140 154 202 220 308 385 404 505 707 770 1010 1111 1414 1540 2020 2222 2828 3535 4444 5555 7070 7777 11110 14140 15554 22220 31108 38885 77770 155540
Sum of all divisors σ(n): 411264
Sum of proper divisors (its aliquot sum) s(n): 255724
155540 is an abundant number, because the sum of its proper divisors (255724) is greater than itself. Its abundance is 100184

Bases of 155540

Binary: 100101111110010100₂
Hexadecimal: 0x25F94
Base-36: 3C0K

Squares and roots of 155540

155540 squared (155540²) is 24192691600
155540 cubed (155540³) is 3762931251464000
The square root of 155540 is 394.3855981143
The cube root of 155540 is 53.7791621093

Scales and comparisons

How big is 155540?

155,540 seconds is equal to 1 day, 19 hours, 12 minutes, 20 seconds.
To count from 1 to 155,540 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 155540 cubic inches would be around 4.5 feet tall.

Recreational maths with 155540

155540 backwards is 045551
155540 is a Harshad number.
The number of decimal digits it has is: 6
The sum of 155540's digits is 20
More coming soon!

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The information we have on file for 155540 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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