161085142 is an even 9-digits composite number following 161085141
and preceding 161085143 . In scientific notation, it is written as 1.61085142 × 10^8.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 80523432 positive integers (up to 161085142) that are relatively prime to 161085142.
161085142 has 8 divisors, whose sum is 241685136
The reverse of 161085142 is 241580161
Previous prime number is 6247
Is Prime? no
Number parity even
Number length 9
Sum of Digits 28
Digital Root 1
Name
one hundred sixty-one million eighty-five thousand one hundred forty-two
Scientific notation
1.61085142 × 10^8
Engineering notation
1.61085142 × 10^6
Prime Factorization
2 × 6247 × 12893
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
161085142
Product of the distinct prime numbers
The prime factorization of 161085142 is 2 × 6247 × 12893.
Since it has a total of 3 prime factors.
6 , 10 , 14 , 5 , 39 , 961 , 7964 , 6863 , 30132 , 21119 , 161147 , 408714 , 9756376 , 7555986 , 48135939 , 61070711 , 320209815 , 280958059 , 77161795 , 886850925
n×2
322170284
n×3
483255426
n×4
644340568
n×5
805425710
n÷2
80542571
n÷3
53695047.333333
n÷3
40271285.5
n÷5
32217028.4
n2
25948422973160164
n3
4.1799053993076E+24
n4
6.7332065479403E+32
n5
1.0846195328903E+41
2 √n
12691.932161811
3 √n
544.10806271286
4 √n
112.65847576552
5 √n
43.793645331143
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
-161085141
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 161085142 can be divided by 8 positive divisors.
The sum of these divisors (counting 161085142) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110011111011011010110
3
Ternary
102020002222021101
4
Quaternary
21212133123112
5
Quinary
312214211032
6
Senary
23552340314
8
Octal
1146373326
10
Decimal
161085142
12
Duodecimal
45b4469a
16
Hexadecimal
999f6d6
20
Vigesimal
2a6fch2
36
Base36
2nwm3a
md5
cb449d20aedf1f73996d7a12c2a3ff98
sha1
070d457fae13e04d5bf4d3e8259457c7a3575c61
sha256
51bb7da65be6d95dbd5683aa7fcee077f32f17630319b1ad303416b0c3ea26c3
sha512
7206b95bde08c867cc4c29c6b7bb574d03a592aebe41f56f62ac5fece6c1aaab97f3ee49b93dcc5b2243a246c53f8614d53eb9a779b9a4baea46d88d10f43e0d
ripemd-160
99454d13eba0f72a92d564b9bf69dfb906c66d77
Diameter
322170284
Circumference
1012127797.4193
Area
8.1519374984721E+16
Volume
1.7508746793553E+25
Surface area
3.2607749993888E+17
Circumference
1012127797.4193
Perimeter
644340568
Area
25948422973160164
Diagonal
227808792.5132
Surface area
155690537838960984
Volume
4.1799053993076E+24
Space diagonal
279007650.28845
Perimeter
483255426
Area
1.123599674145E+16
Altitude
139503825.14422
Surface area
1.123599674145E+16
Volume
4.9260657542811E+23
Height
75936264.171065