201809909 is an odd 9-digits composite number following 201809908
and preceding 201809910 . In scientific notation, it is written as 2.01809909 × 10^8.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 172902240 positive integers (up to 201809909) that are relatively prime to 201809909.
201809909 has 8 divisors, whose sum is 230743488
The reverse of 201809909 is 909908102
Previous prime number is 2857
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
two hundred one million eight hundred nine thousand nine hundred nine
Scientific notation
2.01809909 × 10^8
Engineering notation
2.01809909 × 10^6
Prime Factorization
7 × 2857 × 10091
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
201809909
Product of the distinct prime numbers
The prime factorization of 201809909 is 7 × 2857 × 10091.
Since it has a total of 3 prime factors.
1 , 10 , 34 , 25 , 399 , 921 , 4519 , 7567 , 91948 , 57375 , 607615 , 395909 , 6786020 , 7771652 , 94027347 , 64593068 , 151848172 , 247392956 , 8763663707 , 4971764038
n×2
403619818
n×3
605429727
n×4
807239636
n×5
1009049545
n÷2
100904954.5
n÷3
67269969.666667
n÷3
50452477.25
n÷5
40361981.8
n2
40727239370588281
n3
8.2191604711996E+24
n4
1.6587080267492E+33
n5
3.3474371593582E+41
2 √n
14205.981451487
3 √n
586.5623215693
4 √n
119.18884784864
5 √n
45.812975256908
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-201809908
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 201809909 can be divided by 8 positive divisors.
The sum of these divisors (counting 201809909) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100000001110101111111110101
3
Ternary
112001202000011002
4
Quaternary
30001311333311
5
Quinary
403130404114
6
Senary
32005253045
8
Octal
1401657765
10
Decimal
201809909
12
Duodecimal
57704185
16
Hexadecimal
c075ff5
20
Vigesimal
33164f9
36
Base36
3c5hit
md5
1e54e394315dacd46fee0dc0d4bc3224
sha1
bff4098f88cf371a9c0120d1e668dfb6034de7a6
sha256
4fad2155a60c5094671d1273793a202cddc4b56b0e3b865df1294aad8754a30a
sha512
0e24b4620b330dd6e57b6137131ba8156b55e1772fa09da5efbe1ba1f0a7e03a6736215a98f87a2f6482a93b6ee2d97637f3759a9660b1a0ce59821c03e0eff4
ripemd-160
1655969593dff032e87e8ffe78ba2a5f2e704763
Diameter
403619818
Circumference
1268009055.072
Area
1.2794839600763E+17
Volume
3.4428338873329E+25
Surface area
5.1179358403053E+17
Circumference
1268009055.072
Perimeter
807239636
Area
40727239370588281
Diagonal
285402310.32908
Surface area
244363436223529686
Volume
8.2191604711996E+24
Space diagonal
349545015.85885
Perimeter
605429727
Area
1.763541196047E+16
Altitude
174772507.92943
Surface area
1.763541196047E+16
Volume
9.6863735080761E+23
Height
95134103.443027