201801808 is an even 9-digits composite number following 201801807
and preceding 201801809 . In scientific notation, it is written as 2.01801808 × 10^8.
The sum of its digits is 28. It has a total of 6 prime factors and 20 positive divisors.
There are 93139200 positive integers (up to 201801808) that are relatively prime to 201801808.
201801808 has 20 divisors, whose sum is 421067668
The reverse of 201801808 is 808108102
Previous prime number is 13
Is Prime? no
Number parity even
Number length 9
Sum of Digits 28
Digital Root 1
Name
two hundred one million eight hundred one thousand eight hundred eight
Scientific notation
2.01801808 × 10^8
Engineering notation
2.01801808 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 13 × 970201
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
25225226
Product of the distinct prime numbers
The prime factorization of 201801808 is 2 × 2 × 2 × 2 × 13 × 970201.
Since it has a total of 6 prime factors.
6 , 5 , 81 , 11 , 139 , 27 , 8962 , 5572 , 18281 , 32590 , 612057 , 489038 , 7305854 , 45719 , 9119417 , 72428518 , 362812741 , 953794166 , 4168884893 , 5693314461
n×2
403603616
n×3
605405424
n×4
807207232
n×5
1009009040
n÷2
100900904
n÷3
67267269.333333
n÷3
50450452
n÷5
40360361.6
n2
40723969712068864
n3
8.2181707168327E+24
n4
1.6584417091095E+33
n5
3.3467653536091E+41
2 √n
14205.69632225
3 √n
586.55447292108
4 √n
119.18765171884
5 √n
45.812607448535
1 , 2 , 4 , 8 , 13 , 16 , 26 , 52 , 104 , 208 , 970201 , 1940402 , 3880804 , 7761608 , 12612613 , 15523216 , 25225226 , 50450452 , 100900904 , 201801808
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-201801807
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 201801808 can be divided by 20 positive divisors.
The sum of these divisors (counting 201801808) is 1, the average is 0.05.
Base
System
Value
2
Binary
1100000001110100000001010000
3
Ternary
112001201121001001
4
Quaternary
30001310001100
5
Quinary
403130124213
6
Senary
32005151344
8
Octal
1401640120
10
Decimal
201801808
12
Duodecimal
576bb554
16
Hexadecimal
c074050
20
Vigesimal
33154a8
36
Base36
3c5b9s
md5
0a6aa990859638a02fd45699d2f1420a
sha1
8ab7c7592148c7c400f7e702a60b098ce38db523
sha256
590186aefdb0d8aede6c1b816d085e7491cd6d3343da6eaa582382b7e8859cb4
sha512
d6736ab6fdaf89e1d22f7069acdea06a56020ac28575febc84deaa48adaf74530f9ff77a1543c7b38239c8a609d5436c3aef40811aa5d8207d0c2777502abf71
ripemd-160
78d8f554d208461b2684aa6117f3ae1e4ad68c72
Diameter
403603616
Circumference
1267958154.9879
Area
1.2793812407245E+17
Volume
3.4424192999931E+25
Surface area
5.117524962898E+17
Circumference
1267958154.9879
Perimeter
807207232
Area
40723969712068864
Diagonal
285390853.78501
Surface area
244343818272413184
Volume
8.2181707168327E+24
Space diagonal
349530984.51526
Perimeter
605405424
Area
1.76339961568E+16
Altitude
174765492.25763
Surface area
1.76339961568E+16
Volume
9.6852070713686E+23
Height
95130284.595004