161746138 is an even 9-digits composite number following 161746137
and preceding 161746139 . In scientific notation, it is written as 1.61746138 × 10^8.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 80873068 positive integers (up to 161746138) that are relatively prime to 161746138.
161746138 has 4 divisors, whose sum is 242619210
The reverse of 161746138 is 831647161
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred sixty-one million seven hundred forty-six thousand one hundred thirty-eight
Scientific notation
1.61746138 × 10^8
Engineering notation
1.61746138 × 10^6
Prime Factorization
2 × 80873069
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
161746138
Product of the distinct prime numbers
The prime factorization of 161746138 is 2 × 80873069.
Since it has a total of 2 prime factors.
7 , 9 , 75 , 62 , 875 , 227 , 242 , 699 , 91654 , 95177 , 945236 , 55918 , 360169 , 2199572 , 83010940 , 88534375 , 770581410 , 330745159 , 6801745830 , 8323295274
n×2
323492276
n×3
485238414
n×4
646984552
n×5
808730690
n÷2
80873069
n÷3
53915379.333333
n÷3
40436534.5
n÷5
32349227.6
n2
26161813157915044
n3
4.2315722413703E+24
n4
6.8444046770966E+32
n5
1.1070560234295E+41
2 √n
12717.945510184
3 √n
544.85127720966
4 √n
112.77386891556
5 √n
43.829527011583
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
-161746137
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 161746138 can be divided by 4 positive divisors.
The sum of these divisors (counting 161746138) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101001000000110011011010
3
Ternary
102021100112222201
4
Quaternary
21221000303122
5
Quinary
312401334023
6
Senary
24014440414
8
Octal
1151006332
10
Decimal
161746138
12
Duodecimal
4620310a
16
Hexadecimal
9a40cda
20
Vigesimal
2aai56i
36
Base36
2oas4a
md5
0b20fcaefdb8de69ad0cf6a40d60180f
sha1
db4cd228c6118e34c8614343bba6299c764948eb
sha256
29a9b242f338006be6b10d0b6c2751c61fec8ce30d780960e8f53e3edf33838a
sha512
b8a60f96fd3f9eeca7833001474d33887867cdc1066a19b715dc77893d2eac55ddacc18ba19d53d3ae51d4630216d6e2999045483bd1029e53bb320d5d576e67
ripemd-160
d4603803138e612ac2f429a93f342289e60b6aa1
Diameter
323492276
Circumference
1016280957.7746
Area
8.2189760021495E+16
Volume
1.7725168355498E+25
Surface area
3.2875904008598E+17
Circumference
1016280957.7746
Perimeter
646984552
Area
26161813157915044
Diagonal
228743582.02107
Surface area
156970878947490264
Volume
4.2315722413703E+24
Space diagonal
280152528.94405
Perimeter
485238414
Area
1.1328397401908E+16
Altitude
140076264.47202
Surface area
1.1328397401908E+16
Volume
4.9869557115895E+23
Height
76247860.67369