161719497 is an odd 9-digits composite number following 161719496
and preceding 161719498 . In scientific notation, it is written as 1.61719497 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 106596864 positive integers (up to 161719497) that are relatively prime to 161719497.
161719497 has 12 divisors, whose sum is 183734460
The reverse of 161719497 is 794917161
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred sixty-one million seven hundred nineteen thousand four hundred ninety-seven
Scientific notation
1.61719497 × 10^8
Engineering notation
1.61719497 × 10^6
Prime Factorization
9 × 9 × 89 × 22433
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
17968833
Product of the distinct prime numbers
The prime factorization of 161719497 is 9 × 9 × 89 × 22433.
Since it has a total of 4 prime factors.
5 , 6 , 74 , 23 , 874 , 758 , 6674 , 5970 , 20013 , 32263 , 821004 , 649219 , 2967175 , 4544550 , 26439295 , 6660486 , 57272071 , 58964413 , 4074842363 , 9495743214
n×2
323438994
n×3
485158491
n×4
646877988
n×5
808597485
n÷2
80859748.5
n÷3
53906499
n÷3
40429874.25
n÷5
32343899.4
n2
26153195709933009
n3
4.2294816551529E+24
n4
6.8398964584206E+32
n5
1.1061446147879E+41
2 √n
12716.898088764
3 √n
544.8213616476
4 √n
112.7692249187
5 √n
43.828083095356
1 , 9 , 81 , 89 , 801 , 7209 , 22433 , 201897 , 1817073 , 1996537 , 17968833 , 161719497
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161719496
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161719497 can be divided by 12 positive divisors.
The sum of these divisors (counting 161719497) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101000111010010011001001
3
Ternary
102021022012110000
4
Quaternary
21220322103021
5
Quinary
312400010442
6
Senary
24014113213
8
Octal
1150722311
10
Decimal
161719497
12
Duodecimal
461ab809
16
Hexadecimal
9a3a4c9
20
Vigesimal
2aaeieh
36
Base36
2oa7k9
md5
176b33c13f21c19bad040f1f2827218f
sha1
00ecf45f0d769faac1cc1a829830dfa4b5da6c86
sha256
869da4de2a5db325f77c561b1556bfb7bed0f36c916faca3c1aa35d52fd7292c
sha512
9f16b30d289a2636e476434c20fc76e9d901b4c74ee5f921767c23a66361d69d16a2a60f7d41ff96ab3e9ee02f08146571456b47f3c933c897a6daad5a9805b9
ripemd-160
4a30b47903d07369e450e203e4d98fc57d308b06
Diameter
323438994
Circumference
1016113567.4349
Area
8.2162687510222E+16
Volume
1.7716411328428E+25
Surface area
3.2865075004089E+17
Circumference
1016113567.4349
Perimeter
646877988
Area
26153195709933009
Diagonal
228705905.95756
Surface area
156919174259598054
Volume
4.2294816551529E+24
Space diagonal
280106385.37848
Perimeter
485158491
Area
1.1324665937474E+16
Altitude
140053192.68924
Surface area
1.1324665937474E+16
Volume
4.9844919321046E+23
Height
76235301.985852