20688568 is an even 8-digits composite number following 20688567
and preceding 20688569 . In scientific notation, it is written as 2.0688568 × 10^7.
The sum of its digits is 43. It has a total of 6 prime factors and 32 positive divisors.
There are 9715680 positive integers (up to 20688568) that are relatively prime to 20688568.
20688568 has 32 divisors, whose sum is 41184000
The reverse of 20688568 is 86588602
Previous prime number is 131
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty million six hundred eighty-eight thousand five hundred sixty-eight
Scientific notation
2.0688568 × 10^7
Engineering notation
2.0688568 × 10^6
Prime Factorization
2 × 2 × 2 × 19 × 131 × 1039
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5172142
Product of the distinct prime numbers
The prime factorization of 20688568 is 2 × 2 × 2 × 19 × 131 × 1039.
Since it has a total of 6 prime factors.
6 , 9 , 94 , 4 , 363 , 549 , 4537 , 2336 , 1454 , 12195 , 98652 , 218830 , 6812005 , 6993866 , 33702138 , 139822 , 352063821 , 505714392 , 2202567810 , 3243864327
n×2
41377136
n×3
62065704
n×4
82754272
n×5
103442840
n÷2
10344284
n÷3
6896189.3333333
n÷3
5172142
n÷5
4137713.6
n2
428016845890624
n3
8.8550556213537E+21
n4
1.8319842036616E+29
n5
3.7901129772378E+36
2 √n
4548.4687533279
3 √n
274.52178264948
4 √n
67.44233650555
5 √n
29.049996622398
1 , 2 , 4 , 8 , 19 , 38 , 76 , 131 , 152 , 262 , 524 , 1039 , 1048 , 2078 , 2489 , 4156 , 4978 , 8312 , 9956 , 19741 , 19912 , 39482 , 78964 , 136109 , 157928 , 272218 , 544436 , 1088872 , 2586071 , 5172142 , 10344284 , 20688568
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20688567
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20688568 can be divided by 32 positive divisors.
The sum of these divisors (counting 20688568) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001110111010111010111000
3
Ternary
1102221002101021
4
Quaternary
1032322322320
5
Quinary
20244013233
6
Senary
2015232224
8
Octal
116727270
10
Decimal
20688568
12
Duodecimal
6b18674
16
Hexadecimal
13baeb8
20
Vigesimal
696188
36
Base36
cbfeg
md5
c43d6e44b7f095bb9311f56696b06a5c
sha1
43157738b46f4e53ca25a07e9c77341bfbd631cd
sha256
2e16b0a1d2dcb3becab20f75288675806b8b55412b50efb32e6014c69e5c1797
sha512
d33c52050dd686b57f3d471102ae06987094b157f4c0adfb8bf9ba9ace332ee7df257fb8e4a45d3efbfeb6e4e872be800b99430a96c7b03e97ba37c2daa91c40
ripemd-160
1c3079682e24b7845dedcded9e0568bc6d0aba35
Diameter
41377136
Circumference
129990106.48419
Area
1.3446545786627E+15
Volume
3.7091970249565E+22
Surface area
5.3786183146506E+15
Circumference
129990106.48419
Perimeter
82754272
Area
428016845890624
Diagonal
29258053.451678
Surface area
2568101075343744
Volume
8.8550556213537E+21
Space diagonal
35833650.911844
Perimeter
62065704
Area
1.8533673089448E+14
Altitude
17916825.455922
Surface area
1.8533673089448E+14
Volume
1.0435783129405E+21
Height
9752684.4838927