161620194 is an even 9-digits composite number following 161620193
and preceding 161620195 . In scientific notation, it is written as 1.61620194 × 10^8.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 50885712 positive integers (up to 161620194) that are relatively prime to 161620194.
161620194 has 16 divisors, whose sum is 247419648
The reverse of 161620194 is 491026161
Previous prime number is 367
Is Prime? no
Number parity even
Number length 9
Sum of Digits 30
Digital Root 3
Name
one hundred sixty-one million six hundred twenty thousand one hundred ninety-four
Scientific notation
1.61620194 × 10^8
Engineering notation
1.61620194 × 10^6
Prime Factorization
2 × 57 × 367 × 3863
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
161620194
Product of the distinct prime numbers
The prime factorization of 161620194 is 2 × 57 × 367 × 3863.
Since it has a total of 4 prime factors.
7 , 5 , 14 , 57 , 125 , 747 , 1136 , 5699 , 57793 , 20958 , 177507 , 244994 , 2625096 , 1595623 , 65900163 , 77492906 , 38444106 , 64667166 , 5211434037 , 3443562582
n×2
323240388
n×3
484860582
n×4
646480776
n×5
808100970
n÷2
80810097
n÷3
53873398
n÷3
40405048.5
n÷5
32324038.8
n2
26121087108597636
n3
4.2216951659824E+24
n4
6.8231119173495E+32
n5
1.1027526717657E+41
2 √n
12712.99311728
3 √n
544.70982392493
4 √n
112.75190959483
5 √n
43.822699292409
1 , 2 , 57 , 114 , 367 , 734 , 3863 , 7726 , 20919 , 41838 , 220191 , 440382 , 1417721 , 2835442 , 80810097 , 161620194
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
-161620193
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 161620194 can be divided by 16 positive divisors.
The sum of these divisors (counting 161620194) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000100010000011100010
3
Ternary
102021010011020010
4
Quaternary
21220202003202
5
Quinary
312333321234
6
Senary
24012025350
8
Octal
1150420342
10
Decimal
161620194
12
Duodecimal
46162256
16
Hexadecimal
9a220e2
20
Vigesimal
2aa2a9e
36
Base36
2o82xu
md5
2dcf4811a5d727a7b509ee813717e74c
sha1
5ecff502a603af798a79638209e4e4d198c65daa
sha256
5d389fed7b96702b5c39b67f8b66310cf6c61b21dd8fabbc9b212b4267e82c5f
sha512
89c258917cbf1f36ac7b278dadc0e81fad2fa898948d8adeae3d1ab41b3c3407368b1a64cc2d127485132813186f5cc52e5659f05e041a97f9feaf4e0c585528
ripemd-160
bd541847a7027eee3082f2934432600e748012c6
Diameter
323240388
Circumference
1015489628.2843
Area
8.2061815364149E+16
Volume
1.7683795358861E+25
Surface area
3.282472614566E+17
Circumference
1015489628.2843
Perimeter
646480776
Area
26121087108597636
Diagonal
228565470.30817
Surface area
156726522651585816
Volume
4.2216951659824E+24
Space diagonal
279934387.53714
Perimeter
484860582
Area
1.1310762505256E+16
Altitude
139967193.76857
Surface area
1.1310762505256E+16
Volume
4.9753154666144E+23
Height
76188490.102724