161720135 is an odd 9-digits composite number following 161720134
and preceding 161720136 . In scientific notation, it is written as 1.61720135 × 10^8.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 129376104 positive integers (up to 161720135) that are relatively prime to 161720135.
161720135 has 4 divisors, whose sum is 194064168
The reverse of 161720135 is 531027161
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 26
Digital Root 8
Name
one hundred sixty-one million seven hundred twenty thousand one hundred thirty-five
Scientific notation
1.61720135 × 10^8
Engineering notation
1.61720135 × 10^6
Prime Factorization
5 × 32344027
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
161720135
Product of the distinct prime numbers
The prime factorization of 161720135 is 5 × 32344027.
Since it has a total of 2 prime factors.
10 , 7 , 85 , 39 , 646 , 975 , 934 , 3291 , 98414 , 55516 , 396586 , 671460 , 3518085 , 2731184 , 51704710 , 48010210 , 704605025 , 927409336 , 1726664488 , 7488721157
n×2
323440270
n×3
485160405
n×4
646880540
n×5
808600675
n÷2
80860067.5
n÷3
53906711.666667
n÷3
40430033.75
n÷5
32344027
n2
26153402064418225
n3
4.229531712567E+24
n4
6.8400043954312E+32
n5
1.1061664342297E+41
2 √n
12716.923173472
3 √n
544.82207810537
4 √n
112.76933614007
5 √n
43.828117676558
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161720134
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161720135 can be divided by 4 positive divisors.
The sum of these divisors (counting 161720135) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000111010011101000111
3
Ternary
102021022020022122
4
Quaternary
21220322131013
5
Quinary
312400021020
6
Senary
24014120155
8
Octal
1150723507
10
Decimal
161720135
12
Duodecimal
461b005b
16
Hexadecimal
9a3a747
20
Vigesimal
2aaf06f
36
Base36
2oa81z
md5
981b1028c670bceefb4ee5caed4f94e5
sha1
494f5ff96c606845a3a7e5f5cbc2eaba45340e6e
sha256
fe55d36bba3bf6d526e0848d6773ff37347a9c822f7439fd09b56deae47ba7f6
sha512
02478407bccaa737d1b908b8fb36068b1bda6420b283ccd3e32f52e2c2078018d32c5ffde7f6e40b75d01f2b4cb72a1a342ce0afe20e28766697135b1fb2a5b7
ripemd-160
f064325e9a6fa56e93c808aad1ea7332a2dfcc08
Diameter
323440270
Circumference
1016117576.1071
Area
8.2163335791956E+16
Volume
1.7716621008434E+25
Surface area
3.2865334316783E+17
Circumference
1016117576.1071
Perimeter
646880540
Area
26153402064418225
Diagonal
228706808.22581
Surface area
156920412386509350
Volume
4.229531712567E+24
Space diagonal
280107490.4269
Perimeter
485160405
Area
1.1324755291587E+16
Altitude
140053745.21345
Surface area
1.1324755291587E+16
Volume
4.9845509253328E+23
Height
76235602.741936