20656688 is an even 8-digits composite number following 20656687
and preceding 20656689 . In scientific notation, it is written as 2.0656688 × 10^7.
The sum of its digits is 41. It has a total of 6 prime factors and 20 positive divisors.
There are 9326592 positive integers (up to 20656688) that are relatively prime to 20656688.
20656688 has 20 divisors, whose sum is 40106808
The reverse of 20656688 is 88665602
Previous prime number is 611
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million six hundred fifty-six thousand six hundred eighty-eight
Scientific notation
2.0656688 × 10^7
Engineering notation
2.0656688 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 611 × 2113
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2582086
Product of the distinct prime numbers
The prime factorization of 20656688 is 2 × 2 × 2 × 2 × 611 × 2113.
Since it has a total of 6 prime factors.
3 , 1 , 91 , 51 , 472 , 380 , 2115 , 7638 , 65393 , 34441 , 813365 , 247643 , 7703695 , 224500 , 53024960 , 52642746 , 11728035 , 382700280 , 6910854146 , 605466126
n×2
41313376
n×3
61970064
n×4
82626752
n×5
103283440
n÷2
10328344
n÷3
6885562.6666667
n÷3
5164172
n÷5
4131337.6
n2
426698759129344
n3
8.814183137322E+21
n4
1.8207183104252E+29
n5
3.7610010074341E+36
2 √n
4544.9629261414
3 √n
274.38070226127
4 √n
67.41634020133
5 √n
29.041038194169
1 , 2 , 4 , 8 , 16 , 611 , 1222 , 2113 , 2444 , 4226 , 4888 , 8452 , 9776 , 16904 , 33808 , 1291043 , 2582086 , 5164172 , 10328344 , 20656688
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20656687
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20656688 can be divided by 20 positive divisors.
The sum of these divisors (counting 20656688) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001110110011001000110000
3
Ternary
1102212110122112
4
Quaternary
1032303020300
5
Quinary
20242003223
6
Senary
2014424452
8
Octal
116631060
10
Decimal
20656688
12
Duodecimal
6b02128
16
Hexadecimal
13b3230
20
Vigesimal
6921e8
36
Base36
caqsw
md5
9ff01e93ae6c2fe1364ba07b5962b7b9
sha1
0b0e0a40be7e68934614e2de4a38fa835d04b233
sha256
5fad5078345cb1ac91e4d75b8d35349a14bbe5736bf8b07b4aa768f1f22958e5
sha512
249a2672a80526ac504353e3feef7b3744605d4e9bee938a393dea8bc9e3b1643496e399b31b603a495eb1f9a758cb2a94413ac9a4cdb8e19389a00e0455e233
ripemd-160
d645182529cbd78a9764644896ad54105938411b
Diameter
41313376
Circumference
129789798.53659
Area
1.3405136869766E+15
Volume
3.6920763988808E+22
Surface area
5.3620547479065E+15
Circumference
129789798.53659
Perimeter
82626752
Area
426698759129344
Diagonal
29212968.32331
Surface area
2560192554776064
Volume
8.814183137322E+21
Space diagonal
35778433.132098
Perimeter
61970064
Area
1.8476598258465E+14
Altitude
17889216.566049
Surface area
1.8476598258465E+14
Volume
1.0387614445034E+21
Height
9737656.1077699