20308911 is an odd 8-digits composite number following 20308910
and preceding 20308912 . In scientific notation, it is written as 2.0308911 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 11182080 positive integers (up to 20308911) that are relatively prime to 20308911.
20308911 has 16 divisors, whose sum is 22068288
The reverse of 20308911 is 11980302
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million three hundred eight thousand nine hundred eleven
Scientific notation
2.0308911 × 10^7
Engineering notation
2.0308911 × 10^6
Prime Factorization
21 × 53 × 71 × 257
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20308911
Product of the distinct prime numbers
The prime factorization of 20308911 is 21 × 53 × 71 × 257.
Since it has a total of 4 prime factors.
4 , 10 , 61 , 14 , 973 , 133 , 2722 , 9704 , 99120 , 99699 , 365055 , 812034 , 1437052 , 8938064 , 10458045 , 44504925 , 760283111 , 169981775 , 1288035931 , 5137845324
n×2
40617822
n×3
60926733
n×4
81235644
n×5
101544555
n÷2
10154455.5
n÷3
6769637
n÷3
5077227.75
n÷5
4061782.2
n2
412451866005921
n3
8.3764482384982E+21
n4
1.7011654177177E+29
n5
3.4548817064706E+36
2 √n
4506.5409129398
3 √n
272.83215003798
4 √n
67.130774708324
5 √n
28.942585656748
1 , 21 , 53 , 71 , 257 , 1113 , 1491 , 3763 , 5397 , 13621 , 18247 , 79023 , 286041 , 383187 , 967091 , 20308911
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20308910
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20308911 can be divided by 16 positive divisors.
The sum of these divisors (counting 20308911) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101011110001110101111
3
Ternary
1102012210120220
4
Quaternary
1031132032233
5
Quinary
20144341121
6
Senary
2003142423
8
Octal
115361657
10
Decimal
20308911
12
Duodecimal
6974a13
16
Hexadecimal
135e3af
20
Vigesimal
66ic5b
36
Base36
c3agf
md5
20792c7486cdbfb695f5935610d20292
sha1
aa6225f91a7152bfd142df8b9866e6f86c0aa09e
sha256
9024bb722376775386bf365074e4e47b01d2ceecd5914d21dd0004ae3f518bc6
sha512
18d5c8d1a77f1aebfcc00ef2fd06182be4dbac1d6b737fcff17c49d697c08fa1fe97aaf909c00f4683cec7f25c439bf9dc066816db5296323d018c53534c920d
ripemd-160
0572c49cf1aac041d9249657927fabe0fc34876f
Diameter
40617822
Circumference
127604651.20002
Area
1.2957557522036E+15
Volume
3.5087184332321E+22
Surface area
5.1830230088144E+15
Circumference
127604651.20002
Perimeter
81235644
Area
412451866005921
Diagonal
28721137.373228
Surface area
2474711196035526
Volume
8.3764482384982E+21
Space diagonal
35176065.698394
Perimeter
60926733
Area
1.7859689689971E+14
Altitude
17588032.849197
Surface area
1.7859689689971E+14
Volume
9.8717389195003E+20
Height
9573712.4577427