201638161 is an odd 9-digits composite number following 201638160
and preceding 201638162 . In scientific notation, it is written as 2.01638161 × 10^8.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 200733732 positive integers (up to 201638161) that are relatively prime to 201638161.
201638161 has 4 divisors, whose sum is 202542592
The reverse of 201638161 is 161836102
Previous prime number is 223
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
two hundred one million six hundred thirty-eight thousand one hundred sixty-one
Scientific notation
2.01638161 × 10^8
Engineering notation
2.01638161 × 10^6
Prime Factorization
223 × 904207
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
201638161
Product of the distinct prime numbers
The prime factorization of 201638161 is 223 × 904207.
Since it has a total of 2 prime factors.
1 , 9 , 89 , 88 , 573 , 495 , 1527 , 3774 , 88135 , 15822 , 708691 , 462741 , 7057337 , 2801549 , 7341743 , 82161865 , 676990417 , 503384630 , 4437143952 , 5055415737
n×2
403276322
n×3
604914483
n×4
806552644
n×5
1008190805
n÷2
100819080.5
n÷3
67212720.333333
n÷3
50409540.25
n÷5
40327632.2
n2
40657947971461921
n3
8.1981938589993E+24
n4
1.6530687332501E+33
n5
3.3332173937915E+41
2 √n
14199.935246331
3 √n
586.39587863999
4 √n
119.16348117746
5 √n
45.80517488004
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
-201638160
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 201638161 can be divided by 4 positive divisors.
The sum of these divisors (counting 201638161) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100000001001100000100010001
3
Ternary
112001102021120001
4
Quaternary
30001030010101
5
Quinary
403104410121
6
Senary
32001450001
8
Octal
1401140421
10
Decimal
201638161
12
Duodecimal
57640901
16
Hexadecimal
c04c111
20
Vigesimal
3304f81
36
Base36
3c1t01
md5
747b219269910f58eb4fa3dec27e24e6
sha1
61c94c14f2acf2817967630aac311e5993333ee6
sha256
080d29cc50ec5b762cde3fa9008508f96a135a38925a14e059ebeac6b8bb60e3
sha512
514a92c46b2a5b1faf1483d14f0b1ec8fb883a0766b9f97f124c0312168e59dc90fae2a945ec7abdb7c45c0eedc8976661981dbef0abf48cc01553a85ee5ea39
ripemd-160
74ac656df4d6a61f71874b38b8cbbc739653bfd3
Diameter
403276322
Circumference
1266929930.5619
Area
1.2773071065718E+17
Volume
3.4340514133516E+25
Surface area
5.1092284262872E+17
Circumference
1266929930.5619
Perimeter
806552644
Area
40657947971461921
Diagonal
285159421.97817
Surface area
243947687828771526
Volume
8.1981938589993E+24
Space diagonal
349247539.59675
Perimeter
604914483
Area
1.7605407904516E+16
Altitude
174623769.79838
Surface area
1.7605407904516E+16
Volume
9.6616641186338E+23
Height
95053140.65939