201809161 is an odd 9-digits prime number following 201809160
and preceding 201809162 . In scientific notation, it is written as 2.01809161 × 10^8.
The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors.
There are 201809160 positive integers (up to 201809161) that are relatively prime to 201809161.
201809161 has 2 divisors, whose sum is 201809162
The reverse of 201809161 is 161908102
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
two hundred one million eight hundred nine thousand one hundred sixty-one
Scientific notation
2.01809161 × 10^8
Engineering notation
2.01809161 × 10^6
Prime Factorization
201809161
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
201809161
Product of the distinct prime numbers
The prime factorization of 201809161 is 201809161.
Since it has a total of 1 prime factors.
8 , 9 , 32 , 82 , 140 , 329 , 2193 , 6929 , 66163 , 12163 , 869458 , 653848 , 9378445 , 6463095 , 78106090 , 57912944 , 382218281 , 751924747 , 3201621691 , 6243422673
n×2
403618322
n×3
605427483
n×4
807236644
n×5
1009045805
n÷2
100904580.5
n÷3
67269720.333333
n÷3
50452290.25
n÷5
40361832.2
n2
40726937463523921
n3
8.2190690796132E+24
n4
1.6586834351578E+33
n5
3.3473751241379E+41
2 √n
14205.955124524
3 √n
586.56159687883
4 √n
119.18873740637
5 √n
45.812941296082
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
201809162
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
100904581
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
14205.955159721
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999900896
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 201809161 can be divided by 2 positive divisors.
The sum of these divisors (counting 201809161) is 201809162, the average is 100904581.
Base
System
Value
2
Binary
1100000001110101110100001001
3
Ternary
112001201222010101
4
Quaternary
30001311310021
5
Quinary
403130343121
6
Senary
32005245401
8
Octal
1401656411
10
Decimal
201809161
12
Duodecimal
57703861
16
Hexadecimal
c075d09
20
Vigesimal
33162i1
36
Base36
3c5gy1
md5
2d52e71ffbbdefae7dd2b63697360050
sha1
e6a52c3699bc2198cd1b5b04d73729ea29db18ba
sha256
0b6f3ef9ceb83e44aa7465e53638b3a23ef69571b887c9f0c9d347c2ee3a8290
sha512
d4b87e51530344955c59d25b0a14ffb436f157cfe27490e85b911a2316aab4107a02883f74d0d8a79cbca7e99e52b4744d85fc700caef59e3dbefa94d3ffba85
ripemd-160
8880277614a7299ea8b9ddb54a1a5a64e7e4281e
Diameter
403618322
Circumference
1268004355.2494
Area
1.2794744753862E+17
Volume
3.4427956053147E+25
Surface area
5.1178979015447E+17
Circumference
1268004355.2494
Perimeter
807236644
Area
40726937463523921
Diagonal
285401252.49734
Surface area
244361624781143526
Volume
8.2190690796132E+24
Space diagonal
349543720.28485
Perimeter
605427483
Area
1.7635281230876E+16
Altitude
174771860.14242
Surface area
1.7635281230876E+16
Volume
9.6862658020587E+23
Height
95133750.832445