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.
205142 has 8 divisors, whose sum is 351696
The reverse of 205142 is 241502
Previous prime number is 7
Is Prime? no
Number parity even
Number length 6
Sum of Digits 14
Digital Root 5
Name
two hundred five thousand one hundred forty-two
Scientific notation
2.05142 × 10^5
Engineering notation
2.05142 × 10^3
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.
4 , 4 , 49 , 82 , 965 , 724 , 7957 , 4883 , 35323 , 67278 , 384372 , 227095 , 7010444 , 4810672 , 52265909 , 9322037 , 425021558 , 801690708 , 4708626068 , 3444651309
n×2
410284
n×3
615426
n×4
820568
n×5
1025710
n÷2
102571
n÷3
68380.666666667
n÷3
51285.5
n÷5
41028.4
n2
42083240164
n3
8633040053723288
n4
1.7709991027009E+21
n5
3.6330629792627E+26
2 √n
452.92604252792
3 √n
58.977296636823
4 √n
21.282059170295
5 √n
11.545451388817
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
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
md5
eeb6987c77a6959934ce1d22ee249604
sha1
a0bd55ded6d29ee87da242920dcaa5c560430ccc
sha256
ec13413f42bd996cd9afcc954fd2ad7e7b0fb04c80fdd300d74df0bac572c47c
sha512
0379aa5cb602abe501967c6d6c8899f58ecc1d34be209330f6cf820d0f3dbb39a32a313c31433c2fbacead12f2456c7d45e0682e85ecaa6cdc72c8c6b37639c0
ripemd-160
8c15f28ef19e2b1fa215c4fa9b33efad8d098cea
Diameter
410284
Circumference
1288945.2002854
Area
132208398138.48
Volume
3.6161993614565E+16
Surface area
528833592553.91
Circumference
1288945.2002854
Perimeter
820568
Area
42083240164
Diagonal
290114.59861234
Surface area
252499440984
Volume
8633040053723288
Space diagonal
355316.36676629
Perimeter
615426
Area
18222577527.793
Altitude
177658.18338315
Surface area
18222577527.793
Volume
1.0174135273738E+15
Height
96704.866204114