20688025 is an odd 8-digits composite number following 20688024
and preceding 20688026 . In scientific notation, it is written as 2.0688025 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 6 positive divisors.
There are 16550400 positive integers (up to 20688025) that are relatively prime to 20688025.
20688025 has 6 divisors, whose sum is 25653182
The reverse of 20688025 is 52088602
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million six hundred eighty-eight thousand twenty-five
Scientific notation
2.0688025 × 10^7
Engineering notation
2.0688025 × 10^6
Prime Factorization
5 × 5 × 827521
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
4137605
Product of the distinct prime numbers
The prime factorization of 20688025 is 5 × 5 × 827521.
Since it has a total of 3 prime factors.
1 , 10 , 11 , 23 , 779 , 474 , 7375 , 3399 , 45197 , 5303 , 169448 , 768281 , 1764073 , 3243193 , 93904073 , 15573829 , 651894520 , 983222380 , 9555302827 , 628055218
n×2
41376050
n×3
62064075
n×4
82752100
n×5
103440125
n÷2
10344012.5
n÷3
6896008.3333333
n÷3
5172006.25
n÷5
4137605
n2
427994378400625
n3
8.8543584002116E+21
n4
1.8317918794254E+29
n5
3.7896156196349E+36
2 √n
4548.4090625185
3 √n
274.5193808942
4 √n
67.441893971911
5 √n
29.049844129352
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20688024
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20688025 can be divided by 6 positive divisors.
The sum of these divisors (counting 20688025) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001110111010110010011001
3
Ternary
1102221001122011
4
Quaternary
1032322302121
5
Quinary
20244004100
6
Senary
2015225521
8
Octal
116726231
10
Decimal
20688025
12
Duodecimal
6b182a1
16
Hexadecimal
13bac99
20
Vigesimal
696015
36
Base36
cbezd
md5
573afac10783c4d13e1c04dc09905f9d
sha1
ffb63dfdcf5e9b7e702497edd8bff1e9a1dece78
sha256
af8ca47b31fad6280751497ce37c88b29c28e824b4f85618de567b53748e3e27
sha512
d1fe6593db39d76d14d3014f66148b005b789c00fc137eeba29a3e7b516a9dd2a7776e95ec85430394338863ec370c8cf9668b10917319100bfb72523d292165
ripemd-160
0f6e4c1cda7ec330761817a3b74a9191d3b9c6e4
Diameter
41376050
Circumference
129986694.71456
Area
1.3445839949611E+15
Volume
3.7089049736474E+22
Surface area
5.3783359798445E+15
Circumference
129986694.71456
Perimeter
82752100
Area
427994378400625
Diagonal
29257285.533714
Surface area
2567966270403750
Volume
8.8543584002116E+21
Space diagonal
35832710.408255
Perimeter
62064075
Area
1.8532700218594E+14
Altitude
17916355.204128
Surface area
1.8532700218594E+14
Volume
1.0434961446409E+21
Height
9752428.5112379