161856113 is an odd 9-digits composite number following 161856112
and preceding 161856114 . In scientific notation, it is written as 1.61856113 × 10^8.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 161817600 positive integers (up to 161856113) that are relatively prime to 161856113.
161856113 has 4 divisors, whose sum is 161894628
The reverse of 161856113 is 311658161
Previous prime number is 4801
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred sixty-one million eight hundred fifty-six thousand one hundred thirteen
Scientific notation
1.61856113 × 10^8
Engineering notation
1.61856113 × 10^6
Prime Factorization
4801 × 33713
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
161856113
Product of the distinct prime numbers
The prime factorization of 161856113 is 4801 × 33713.
Since it has a total of 2 prime factors.
9 , 2 , 83 , 51 , 796 , 493 , 4456 , 4478 , 86845 , 43120 , 165745 , 770663 , 5841116 , 3220140 , 21559524 , 92460045 , 214913134 , 473457872 , 9614220924 , 256838959
n×2
323712226
n×3
485568339
n×4
647424452
n×5
809280565
n÷2
80928056.5
n÷3
53952037.666667
n÷3
40464028.25
n÷5
32371222.6
n2
26197401315468769
n3
4.2402095476229E+24
n4
6.8630383568372E+32
n5
1.1108247118076E+41
2 √n
12722.268390503
3 √n
544.97473496211
4 √n
112.79303343072
5 √n
43.835485536334
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
-161856112
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 161856113 can be divided by 4 positive divisors.
The sum of these divisors (counting 161856113) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101001011011101001110001
3
Ternary
102021120010211212
4
Quaternary
21221123221301
5
Quinary
312413343423
6
Senary
24021045505
8
Octal
1151335161
10
Decimal
161856113
12
Duodecimal
46256895
16
Hexadecimal
9a5ba71
20
Vigesimal
2abc05d
36
Base36
2od4z5
md5
1b6066239975f84bb85213845ebae38d
sha1
952ee901391a62ec2ce80fa6a85754ac3cd07cad
sha256
dde7a886710ee27281507b0ccc0771d2977ec3af1a498324a9476eeb7e9584da
sha512
0dc2c260719e8b1e165263975940567c6ae40d6e34dbc558d3e61dd22036bea162f8bd7fce1ecf7c9133def6c7b898b93fe199d49679644dd8d1e9a1a2ed5592
ripemd-160
8bb2b3d716abf9913e8fa7fdcf169d2b2424fddf
Diameter
323712226
Circumference
1016971951.0788
Area
8.230156351582E+16
Volume
1.7761348219324E+25
Surface area
3.2920625406328E+17
Circumference
1016971951.0788
Perimeter
647424452
Area
26197401315468769
Diagonal
228899110.15759
Surface area
157184407892812614
Volume
4.2402095476229E+24
Space diagonal
280343011.23161
Perimeter
485568339
Area
1.1343807526166E+16
Altitude
140171505.6158
Surface area
1.1343807526166E+16
Volume
4.9971348746268E+23
Height
76299703.385864