20809568 is an even 8-digits composite number following 20809567
and preceding 20809569 . In scientific notation, it is written as 2.0809568 × 10^7.
The sum of its digits is 38. It has a total of 7 prime factors and 24 positive divisors.
There are 9604224 positive integers (up to 20809568) that are relatively prime to 20809568.
20809568 has 24 divisors, whose sum is 44121168
The reverse of 20809568 is 86590802
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million eight hundred nine thousand five hundred sixty-eight
Scientific notation
2.0809568 × 10^7
Engineering notation
2.0809568 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 13 × 50023
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1300598
Product of the distinct prime numbers
The prime factorization of 20809568 is 2 × 2 × 2 × 2 × 2 × 13 × 50023.
Since it has a total of 7 prime factors.
1 , 9 , 88 , 38 , 764 , 910 , 1348 , 4491 , 51029 , 47290 , 373229 , 697914 , 3155414 , 9256061 , 42236328 , 12836067 , 384051363 , 327719345 , 942601640 , 573155843
n×2
41619136
n×3
62428704
n×4
83238272
n×5
104047840
n÷2
10404784
n÷3
6936522.6666667
n÷3
5202392
n÷5
4161913.6
n2
433038120346624
n3
9.0113362119453E+21
n4
1.8752201367334E+29
n5
3.9022520950322E+36
2 √n
4561.7505411848
3 √n
275.05593572919
4 √n
67.540732459641
5 √n
29.083898002387
1 , 2 , 4 , 8 , 13 , 16 , 26 , 32 , 52 , 104 , 208 , 416 , 50023 , 100046 , 200092 , 400184 , 650299 , 800368 , 1300598 , 1600736 , 2601196 , 5202392 , 10404784 , 20809568
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20809567
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20809568 can be divided by 24 positive divisors.
The sum of these divisors (counting 20809568) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111011000011101100000
3
Ternary
1110011020100202
4
Quaternary
1033120131200
5
Quinary
20311401233
6
Senary
2022004332
8
Octal
117303540
10
Decimal
20809568
12
Duodecimal
6b766a8
16
Hexadecimal
13d8760
20
Vigesimal
6a13i8
36
Base36
ce0rk
md5
52eed04cd2c80bbd374319ad8de5a1dc
sha1
d39ef01523d35fe1798cadaee4102ec49b64d367
sha256
826f9f23ac907a6309813614fba13ec2c9bca4e86abc953313daf2bbb1f2aa42
sha512
7ee4397c2c7000bd2029af508174788cf120b659c5f4779e9008b565ccf1b06d92edb0d86697a9907aca1fbb8862df2eeeb592713d5f56d64aa9bc750f434f95
ripemd-160
ca1df511e052a13bca96adac2b762c74ed8c7d75
Diameter
41619136
Circumference
130750371.90635
Area
1.3604293776053E+15
Volume
3.7746596856633E+22
Surface area
5.4417175104211E+15
Circumference
130750371.90635
Perimeter
83238272
Area
433038120346624
Diagonal
29429173.292725
Surface area
2598228722079744
Volume
9.0113362119453E+21
Space diagonal
36043229.059559
Perimeter
62428704
Area
1.8751100651362E+14
Altitude
18021614.52978
Surface area
1.8751100651362E+14
Volume
1.0619961571697E+21
Height
9809724.4309084