20311906 is an even 8-digits composite number following 20311905
and preceding 20311907 . In scientific notation, it is written as 2.0311906 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 9558528 positive integers (up to 20311906) that are relatively prime to 20311906.
20311906 has 8 divisors, whose sum is 32260140
The reverse of 20311906 is 60911302
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million three hundred eleven thousand nine hundred six
Scientific notation
2.0311906 × 10^7
Engineering notation
2.0311906 × 10^6
Prime Factorization
2 × 17 × 597409
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20311906
Product of the distinct prime numbers
The prime factorization of 20311906 is 2 × 17 × 597409.
Since it has a total of 3 prime factors.
9 , 2 , 38 , 23 , 318 , 10 , 7580 , 1112 , 51896 , 867 , 163073 , 989663 , 9868048 , 9786202 , 99089436 , 83434061 , 121842863 , 720022006 , 2189884834 , 605884824
n×2
40623812
n×3
60935718
n×4
81247624
n×5
101559530
n÷2
10155953
n÷3
6770635.3333333
n÷3
5077976.5
n÷5
4062381.2
n2
412573525352836
n3
8.3801546650554E+21
n4
1.7021691382207E+29
n5
3.4574299531639E+36
2 √n
4506.8731954649
3 √n
272.84556109885
4 √n
67.133249552401
5 √n
28.943439251815
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
-20311905
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 20311906 can be divided by 8 positive divisors.
The sum of these divisors (counting 20311906) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101011110111101100010
3
Ternary
1102012221200211
4
Quaternary
1031132331202
5
Quinary
20144440111
6
Senary
2003204334
8
Octal
115367542
10
Decimal
20311906
12
Duodecimal
69766aa
16
Hexadecimal
135ef62
20
Vigesimal
66ijf6
36
Base36
c3crm
md5
0e547c976905b75590fc28feb5310a15
sha1
d5a745af015df70c3de01db553776df045c39f3f
sha256
e52dc89699eda42ef9d56cbb6cbcbeb3c2af6fc51f0fda3bf6a7b861e8399c45
sha512
415be836ffb23b53f64cac3c07be134d9b17a956bdb88c2c91cd04b68a4cca04bba781d21f4ada97103a48e8c77f63d60401fea694ef7e19e688c6c165de9ef0
ripemd-160
6948809b9fe2039ec3e2410d08abb98f7c868f36
Diameter
40623812
Circumference
127623469.34001
Area
1.2961379563141E+15
Volume
3.5102709775579E+22
Surface area
5.1845518252564E+15
Circumference
127623469.34001
Perimeter
81247624
Area
412573525352836
Diagonal
28725372.942847
Surface area
2475441152117016
Volume
8.3801546650554E+21
Space diagonal
35181253.190563
Perimeter
60935718
Area
1.7864957694223E+14
Altitude
17590626.595282
Surface area
1.7864957694223E+14
Volume
9.8761069850879E+20
Height
9575124.3142825