161856228 is an even 9-digits composite number following 161856227
and preceding 161856229 . In scientific notation, it is written as 1.61856228 × 10^8.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 53474176 positive integers (up to 161856228) that are relatively prime to 161856228.
161856228 has 24 divisors, whose sum is 381009888
The reverse of 161856228 is 822658161
Previous prime number is 113
Is Prime? no
Number parity even
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred sixty-one million eight hundred fifty-six thousand two hundred twenty-eight
Scientific notation
1.61856228 × 10^8
Engineering notation
1.61856228 × 10^6
Prime Factorization
2 × 2 × 3 × 113 × 119363
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
80928114
Product of the distinct prime numbers
The prime factorization of 161856228 is 2 × 2 × 3 × 113 × 119363.
Since it has a total of 5 prime factors.
7 , 3 , 32 , 56 , 397 , 7 , 5068 , 7469 , 93739 , 94941 , 740011 , 227663 , 6807909 , 5593867 , 39377796 , 93730780 , 683001230 , 114930875 , 4695598418 , 4738886407
n×2
323712456
n×3
485568684
n×4
647424912
n×5
809281140
n÷2
80928114
n÷3
53952076
n÷3
40464057
n÷5
32371245.6
n2
26197438542387984
n3
4.2402185857327E+24
n4
6.863057861822E+32
n5
1.1108286580602E+41
2 √n
12722.272910137
3 √n
544.97486403164
4 √n
112.79305346579
5 √n
43.835491765422
1 , 2 , 3 , 4 , 6 , 12 , 113 , 226 , 339 , 452 , 678 , 1356 , 119363 , 238726 , 358089 , 477452 , 716178 , 1432356 , 13488019 , 26976038 , 40464057 , 53952076 , 80928114 , 161856228
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161856227
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161856228 can be divided by 24 positive divisors.
The sum of these divisors (counting 161856228) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101001011011101011100100
3
Ternary
102021120011000010
4
Quaternary
21221123223210
5
Quinary
312413344403
6
Senary
24021050220
8
Octal
1151335344
10
Decimal
161856228
12
Duodecimal
46256970
16
Hexadecimal
9a5bae4
20
Vigesimal
2abc0b8
36
Base36
2od52c
md5
9274f323b0757842382b768908a27bb5
sha1
5199335e59106ec8d5497f8b359dc111aa82c9be
sha256
a40fa8c9bef3ca7cf3d275dd2ce4c90f0f7ceed809bee44540cbbf15ede28885
sha512
17a26f0fdb0816d936f1d29c0fa8be02a70bc4986fce60a287c694db85f82cca714796db21cc02b0aa47e582a2470a372927d5628bec314a1165a199aa2c05ce
ripemd-160
1ea4d51ca1e480b5ac17a83e6c8e7b1e05cb5b5c
Diameter
323712456
Circumference
1016972673.6451
Area
8.2301680467636E+16
Volume
1.776138607807E+25
Surface area
3.2920672187054E+17
Circumference
1016972673.6451
Perimeter
647424912
Area
26197438542387984
Diagonal
228899272.79215
Surface area
157184631254327904
Volume
4.2402185857327E+24
Space diagonal
280343210.41745
Perimeter
485568684
Area
1.1343823645895E+16
Altitude
140171605.20873
Surface area
1.1343823645895E+16
Volume
4.9971455261414E+23
Height
76299757.597384