20811211 is an odd 8-digits prime number following 20811210
and preceding 20811212 . In scientific notation, it is written as 2.0811211 × 10^7.
The sum of its digits is 16. It has a total of 1 prime factors and 2 positive divisors.
There are 20811210 positive integers (up to 20811211) that are relatively prime to 20811211.
20811211 has 2 divisors, whose sum is 20811212
The reverse of 20811211 is 11211802
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty million eight hundred eleven thousand two hundred eleven
Scientific notation
2.0811211 × 10^7
Engineering notation
2.0811211 × 10^6
Prime Factorization
20811211
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20811211
Product of the distinct prime numbers
The prime factorization of 20811211 is 20811211.
Since it has a total of 1 prime factors.
5 , 9 , 79 , 32 , 902 , 179 , 9158 , 1667 , 95642 , 9449 , 743960 , 654632 , 4828151 , 5038426 , 94656920 , 29519955 , 246126025 , 913167965 , 4907862101 , 9894013983
n×2
41622422
n×3
62433633
n×4
83244844
n×5
104056055
n÷2
10405605.5
n÷3
6937070.3333333
n÷3
5202802.75
n÷5
4162242.2
n2
433106503286521
n3
9.013470825368E+21
n4
1.8758124318908E+29
n5
3.9037928316502E+36
2 √n
4561.9306220064
3 √n
275.06317446683
4 √n
67.542065574029
5 √n
29.084357246282
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20811212
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10405606
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4561.9307316092
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999903898
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20811211 can be divided by 2 positive divisors.
The sum of these divisors (counting 20811211) is 20811212, the average is 10405606.
Base
System
Value
2
Binary
1001111011000110111001011
3
Ternary
1110011022121121
4
Quaternary
1033120313023
5
Quinary
20311424321
6
Senary
2022020111
8
Octal
117306713
10
Decimal
20811211
12
Duodecimal
6b77637
16
Hexadecimal
13d8dcb
20
Vigesimal
6a180b
36
Base36
ce217
md5
c4b51b6be8cf41f51746e60c5ec77b9e
sha1
740cb8e4cc9b90d410c47586d13dbfddab338992
sha256
067e768f7797212ea78cbeb60196f38baa1551e267db912e20fe50b5789eff02
sha512
45b02274614d8672c293f4883fb66c23854bff9ac9dbf6e81e58ef4e37ca479de95926192541a034ad9a13d63c7b2dd098106f760b71e6665f63c2e21e5f6b71
ripemd-160
047ce06a60c3c0002505d593c7d1d48f528cf4fb
Diameter
41622422
Circumference
130760695.17981
Area
1.3606442089469E+15
Volume
3.7755538304429E+22
Surface area
5.4425768357876E+15
Circumference
130760695.17981
Perimeter
83244844
Area
433106503286521
Diagonal
29431496.845608
Surface area
2598639019719126
Volume
9.013470825368E+21
Space diagonal
36046074.819036
Perimeter
62433633
Area
1.8754061719519E+14
Altitude
18023037.409518
Surface area
1.8754061719519E+14
Volume
1.0622477237741E+21
Height
9810498.948536