155561 (number)

155561 is an odd 6-digits composite number following 155560 and preceding 155562. In scientific notation, it is written as 1.55561 × 10^5. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 131040 positive integers (up to 155561) that are relatively prime to 155561.

Interesting facts

Basic properties

Name

Name one hundred fifty-five thousand five hundred sixty-one

Notation

Scientific notation 1.55561 × 10^5
Engineering notation 1.55561 × 10^3

Prime Factorization of 155561

Prime Factorization 7 × 71 × 313

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 155561
Product of the distinct prime numbers

The prime factorization of 155561 is 7 × 71 × 313. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 155561)

Multiplication

n×y
n×2 311122
n×3 466683
n×4 622244
n×5 777805

Division

n÷y
n÷2 77780.5
n÷3 51853.666666667
n÷3 38890.25
n÷5 31112.2

Exponentiation

ny
n2 24199224721
n3 3764455596823481
n4 5.8560247709746E+20
n5 9.1096906939758E+25

Nth Root

y√n
2√n 394.412220906
3√n 53.781582304638
4√n 19.859814221336
5√n 10.923961107526

Divisors of 155561

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -155560
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 155561 can be divided by 8 positive divisors. The sum of these divisors (counting 155561) is 1, the average is 0.125.

Base conversion 155561

Base System Value
2 Binary 100101111110101001
3 Ternary 21220101112
4 Quaternary 211332221
5 Quinary 14434221
6 Senary 3200105
8 Octal 457651
10 Decimal 155561
12 Duodecimal 76035
16 Hexadecimal 25fa9
20 Vigesimal j8i1
36 Base36 3c15

Cryptographic Hash Functions

md5 ca6190a885072bb9403d4b79940bab3b
sha1 8b2679f42b68db17419c116f3529476b9ab5bd76
sha256 6caead0192f6d520d700284a45a788e5828a544784ad0d6f467f7bbc0d7ccbe4
sha512 374009e2953eeee3245391039ca45058869fd659a6219b423edc9cf347fdc48a75069849df0c668209dd706e1d45fc9c8e50394c91708e667fdea4b01511eda2
ripemd-160 7a9f9c48a2760dd603920b1fb8b645ffc2f8967e

155561 as geometric shapes

Circle

Radius = n
Diameter 311122
Circumference 977418.58957016
Area 76024106606.062

Sphere

Radius = n
Volume 1.5768514730328E+16
Surface area 304096426424.25
Circumference 977418.58957016

Square

Length = n
Perimeter 622244
Area 24199224721
Diagonal 219996.47597632

Cube

Length = n
Surface area 145195348326
Volume 3764455596823481
Space diagonal 269439.55567622

Equilateral Triangle

Length = n
Perimeter 466683
Area 10478571680.137
Altitude 134719.77783811

Triangular Pyramid

Length = n
Surface area 10478571680.137
Volume 4.4364534666492E+14
Height 73332.158658774