161720134 is an even 9-digits composite number following 161720133
and preceding 161720135 . In scientific notation, it is written as 1.61720134 × 10^8.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 76512384 positive integers (up to 161720134) that are relatively prime to 161720134.
161720134 has 16 divisors, whose sum is 255654000
The reverse of 161720134 is 431027161
Previous prime number is 1049
Is Prime? no
Number parity even
Number length 9
Sum of Digits 25
Digital Root 7
Name
one hundred sixty-one million seven hundred twenty thousand one hundred thirty-four
Scientific notation
1.61720134 × 10^8
Engineering notation
1.61720134 × 10^6
Prime Factorization
2 × 19 × 1049 × 4057
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
161720134
Product of the distinct prime numbers
The prime factorization of 161720134 is 2 × 19 × 1049 × 4057.
Since it has a total of 4 prime factors.
4 , 7 , 21 , 39 , 329 , 115 , 7609 , 8316 , 90684 , 66982 , 715195 , 316236 , 3416274 , 8855740 , 25479786 , 95849000 , 446455691 , 277165010 , 6409137124 , 6421532129
n×2
323440268
n×3
485160402
n×4
646880536
n×5
808600670
n÷2
80860067
n÷3
53906711.333333
n÷3
40430033.5
n÷5
32344026.8
n2
26153401740977956
n3
4.2295316341068E+24
n4
6.8400042262499E+32
n5
1.1061664000297E+41
2 √n
12716.923134155
3 √n
544.8220769824
4 √n
112.76933596574
5 √n
43.828117622355
1 , 2 , 19 , 38 , 1049 , 2098 , 4057 , 8114 , 19931 , 39862 , 77083 , 154166 , 4255793 , 8511586 , 80860067 , 161720134
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161720133
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161720134 can be divided by 16 positive divisors.
The sum of these divisors (counting 161720134) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000111010011101000110
3
Ternary
102021022020022121
4
Quaternary
21220322131012
5
Quinary
312400021014
6
Senary
24014120154
8
Octal
1150723506
10
Decimal
161720134
12
Duodecimal
461b005a
16
Hexadecimal
9a3a746
20
Vigesimal
2aaf06e
36
Base36
2oa81y
md5
fc9da5d281f358d6e232cbc5d455e84d
sha1
5b876aab5566ffd87513f0df0451bb051692305e
sha256
5b9afff9e10dc0aeb4408eaead25c155fb56e2b3c06742a4c834b1cddd6dbba2
sha512
47e734617243079be973fb6e5462ea81328f691698a4822eb6a0813985b7ea38fdfb091489f052cb70f0cc196006f3b9a6f9568e65555c47c0551625b0cdfc14
ripemd-160
55393954792c3d13592d1ee4cb0c7a37a8952d15
Diameter
323440268
Circumference
1016117569.8239
Area
8.2163334775839E+16
Volume
1.7716620679781E+25
Surface area
3.2865333910336E+17
Circumference
1016117569.8239
Perimeter
646880536
Area
26153401740977956
Diagonal
228706806.81159
Surface area
156920410445867736
Volume
4.2295316341068E+24
Space diagonal
280107488.69485
Perimeter
485160402
Area
1.1324755151534E+16
Altitude
140053744.34742
Surface area
1.1324755151534E+16
Volume
4.9845508328665E+23
Height
76235602.270531