20111909 is an odd 8-digits composite number following 20111908
and preceding 20111910 . In scientific notation, it is written as 2.0111909 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 20102700 positive integers (up to 20111909) that are relatively prime to 20111909.
20111909 has 4 divisors, whose sum is 20121120
The reverse of 20111909 is 90911102
Previous prime number is 3559
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred eleven thousand nine hundred nine
Scientific notation
2.0111909 × 10^7
Engineering notation
2.0111909 × 10^6
Prime Factorization
3559 × 5651
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20111909
Product of the distinct prime numbers
The prime factorization of 20111909 is 3559 × 5651.
Since it has a total of 2 prime factors.
5 , 9 , 15 , 3 , 542 , 565 , 3074 , 3290 , 93626 , 79715 , 698561 , 126349 , 2357382 , 6226327 , 47697945 , 14686918 , 208119390 , 941901652 , 1426184847 , 6042728099
n×2
40223818
n×3
60335727
n×4
80447636
n×5
100559545
n÷2
10055954.5
n÷3
6703969.6666667
n÷3
5027977.25
n÷5
4022381.8
n2
404488883624281
n3
8.1350436189631E+21
n4
1.6361125697562E+29
n5
3.2905347116692E+36
2 √n
4484.6303080633
3 √n
271.94709989834
4 √n
66.96738241908
5 √n
28.88621630926
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
-20111908
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 20111909 can be divided by 4 positive divisors.
The sum of these divisors (counting 20111909) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100101110001000100101
3
Ternary
1101211210100112
4
Quaternary
1030232020211
5
Quinary
20122040114
6
Senary
1555022405
8
Octal
114561045
10
Decimal
20111909
12
Duodecimal
689aa05
16
Hexadecimal
132e225
20
Vigesimal
65djf9
36
Base36
bz2g5
md5
48f774359e6013e8b229b6b9c9e9c10c
sha1
84fc2be14350f2de5dbbb699905430e9b03a54f9
sha256
417176c693580e7ec4911149e37367a3d7d450ebe4bed64a22f3f184167e33b5
sha512
eaa0293f699d2eb5da3c34ad868e42fa9e325467a69e24c104ed772fa75cb615e167a26f8493a6dc1bdeb9f25b2a769beb3b4ef656e3e0219ad00cbd0205b5f5
ripemd-160
c8d9974006328b2cc49516772587f19bdcda629f
Diameter
40223818
Circumference
126366851.12813
Area
1.2707393052528E+15
Volume
3.4075991026623E+22
Surface area
5.0829572210111E+15
Circumference
126366851.12813
Perimeter
80447636
Area
404488883624281
Diagonal
28442534.473014
Surface area
2426933301745686
Volume
8.1350436189631E+21
Space diagonal
34834848.225202
Perimeter
60335727
Area
1.7514882438352E+14
Altitude
17417424.112601
Surface area
1.7514882438352E+14
Volume
9.5872408470286E+20
Height
9480844.8243378