20561625 is an odd 8-digits composite number following 20561624
and preceding 20561626 . In scientific notation, it is written as 2.0561625 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 9374400 positive integers (up to 20561625) that are relatively prime to 20561625.
20561625 has 24 divisors, whose sum is 28521240
The reverse of 20561625 is 52616502
Previous prime number is 245
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million five hundred sixty-one thousand six hundred twenty-five
Scientific notation
2.0561625 × 10^7
Engineering notation
2.0561625 × 10^6
Prime Factorization
9 × 5 × 5 × 245 × 373
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4112325
Product of the distinct prime numbers
The prime factorization of 20561625 is 9 × 5 × 5 × 245 × 373.
Since it has a total of 5 prime factors.
1 , 4 , 82 , 49 , 311 , 873 , 5673 , 2506 , 76410 , 71889 , 242398 , 605272 , 9664222 , 631904 , 58050480 , 32490963 , 930889468 , 27015096 , 4706663044 , 1002810210
n×2
41123250
n×3
61684875
n×4
82246500
n×5
102808125
n÷2
10280812.5
n÷3
6853875
n÷3
5140406.25
n÷5
4112325
n2
422780422640625
n3
8.693052507678E+21
n4
1.7874328576819E+29
n5
3.6752524132333E+36
2 √n
4534.4928051547
3 √n
273.95915085352
4 √n
67.338642733238
5 √n
29.014259222734
1 , 5 , 9 , 25 , 45 , 225 , 245 , 373 , 1225 , 1865 , 2205 , 3357 , 6125 , 9325 , 11025 , 16785 , 55125 , 83925 , 91385 , 456925 , 822465 , 2284625 , 4112325 , 20561625
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
-20561624
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 20561625 can be divided by 24 positive divisors.
The sum of these divisors (counting 20561625) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001110011011111011011001
3
Ternary
1102200122020200
4
Quaternary
1032123323121
5
Quinary
20230433000
6
Senary
2012412413
8
Octal
116337331
10
Decimal
20561625
12
Duodecimal
6a77109
16
Hexadecimal
139bed9
20
Vigesimal
68a415
36
Base36
c8pg9
md5
1037ba0c0d976975730aa4a32a8488a1
sha1
d3331a9d3a2720aada77411c171028eb565fe62c
sha256
593881a9fca8947abb09108c788a8e34b89f2a4de0714c4e06ec1b1b1d1d18b8
sha512
6290c48ca0dd61aedd321555811499897c7188e6f7ed4b91c7f2f7a3dae88031ea433bf2819bde7ee2cb029289610d8349a9242ca844947b0447b0234d5b48c7
ripemd-160
7a190af71b575c1ff7fe2c33a38a41043aa1f271
Diameter
41123250
Circumference
129192500.09174
Area
1.3282038698494E+15
Volume
3.6413373193856E+22
Surface area
5.3128154793975E+15
Circumference
129192500.09174
Perimeter
82246500
Area
422780422640625
Diagonal
29078528.93943
Surface area
2536682535843750
Volume
8.693052507678E+21
Space diagonal
35613779.186178
Perimeter
61684875
Area
1.8306929311475E+14
Altitude
17806889.593089
Surface area
1.8306929311475E+14
Volume
1.0244860628983E+21
Height
9692842.9798099