205142 (number)

205142 is an even 6-digits composite number following 205141 and preceding 205143. In scientific notation, it is written as 2.05142 × 10^5. The sum of its digits is 14. It has a total of 3 prime factors and 8 positive divisors. There are 87912 positive integers (up to 205142) that are relatively prime to 205142.

Interesting facts

Basic properties

Name

Name two hundred five thousand one hundred forty-two

Notation

Scientific notation 2.05142 × 10^5
Engineering notation 2.05142 × 10^3

Prime Factorization of 205142

Prime Factorization 2 × 7 × 14653

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 205142
Product of the distinct prime numbers

The prime factorization of 205142 is 2 × 7 × 14653. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 205142)

Multiplication

n×y
n×2 410284
n×3 615426
n×4 820568
n×5 1025710

Division

n÷y
n÷2 102571
n÷3 68380.666666667
n÷3 51285.5
n÷5 41028.4

Exponentiation

ny
n2 42083240164
n3 8633040053723288
n4 1.7709991027009E+21
n5 3.6330629792627E+26

Nth Root

y√n
2√n 452.92604252792
3√n 58.977296636823
4√n 21.282059170295
5√n 11.545451388817

Divisors of 205142

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 -205141
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 205142 can be divided by 8 positive divisors. The sum of these divisors (counting 205142) is 1, the average is 0.125.

Base conversion 205142

Base System Value
2 Binary 110010000101010110
3 Ternary 101102101212
4 Quaternary 302011112
5 Quinary 23031032
6 Senary 4221422
8 Octal 620526
10 Decimal 205142
12 Duodecimal 9a872
16 Hexadecimal 32156
20 Vigesimal 15ch2
36 Base36 4eae

Cryptographic Hash Functions

md5 eeb6987c77a6959934ce1d22ee249604
sha1 a0bd55ded6d29ee87da242920dcaa5c560430ccc
sha256 ec13413f42bd996cd9afcc954fd2ad7e7b0fb04c80fdd300d74df0bac572c47c
sha512 0379aa5cb602abe501967c6d6c8899f58ecc1d34be209330f6cf820d0f3dbb39a32a313c31433c2fbacead12f2456c7d45e0682e85ecaa6cdc72c8c6b37639c0
ripemd-160 8c15f28ef19e2b1fa215c4fa9b33efad8d098cea

205142 as geometric shapes

Circle

Radius = n
Diameter 410284
Circumference 1288945.2002854
Area 132208398138.48

Sphere

Radius = n
Volume 3.6161993614565E+16
Surface area 528833592553.91
Circumference 1288945.2002854

Square

Length = n
Perimeter 820568
Area 42083240164
Diagonal 290114.59861234

Cube

Length = n
Surface area 252499440984
Volume 8633040053723288
Space diagonal 355316.36676629

Equilateral Triangle

Length = n
Perimeter 615426
Area 18222577527.793
Altitude 177658.18338315

Triangular Pyramid

Length = n
Surface area 18222577527.793
Volume 1.0174135273738E+15
Height 96704.866204114