20508938 is an even 8-digits composite number following 20508937
and preceding 20508939 . In scientific notation, it is written as 2.0508938 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 10004320 positive integers (up to 20508938) that are relatively prime to 20508938.
20508938 has 8 divisors, whose sum is 31513860
The reverse of 20508938 is 83980502
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million five hundred eight thousand nine hundred thirty-eight
Scientific notation
2.0508938 × 10^7
Engineering notation
2.0508938 × 10^6
Prime Factorization
2 × 41 × 250109
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20508938
Product of the distinct prime numbers
The prime factorization of 20508938 is 2 × 41 × 250109.
Since it has a total of 3 prime factors.
2 , 9 , 4 , 27 , 407 , 203 , 9735 , 1958 , 32414 , 90206 , 305102 , 368236 , 4419333 , 3252193 , 92358430 , 58819280 , 621697147 , 803870022 , 5306281401 , 8338201602
n×2
41017876
n×3
61526814
n×4
82035752
n×5
102544690
n÷2
10254469
n÷3
6836312.6666667
n÷3
5127234.5
n÷5
4101787.6
n2
420616537887844
n3
8.6263984973164E+21
n4
1.7691827194476E+29
n5
3.6284058703821E+36
2 √n
4528.6794984852
3 √n
273.72495354064
4 √n
67.295464174677
5 √n
28.999374761844
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20508937
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20508938 can be divided by 8 positive divisors.
The sum of these divisors (counting 20508938) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110001111000100001010
3
Ternary
1102120221222022
4
Quaternary
1032033010022
5
Quinary
20222241223
6
Senary
2011324442
8
Octal
116170412
10
Decimal
20508938
12
Duodecimal
6a50722
16
Hexadecimal
138f10a
20
Vigesimal
683c6i
36
Base36
c7ksq
md5
80fd4eb528dc035c52c28665aabf94bc
sha1
d1304dc8204e95d6afda8fa30a74562603e63d79
sha256
66ff307f4b4883a8778bbf53a967026816d8760db16b72aa1d7bd8085e0d744f
sha512
8f73adf5db83722af32e6bfce7221d9d65e67bd4353290f9ea31a4aac25724d6ee0bfb1b678983677702f36455bb705e0a9940999e5ce86308690decc7757c87
ripemd-160
da2f84aa95920cedad830bdec3b675bfd1fd988f
Diameter
41017876
Circumference
128861457.90746
Area
1.3214058254068E+15
Volume
3.6134173528143E+22
Surface area
5.2856233016273E+15
Circumference
128861457.90746
Perimeter
82035752
Area
420616537887844
Diagonal
29004018.269469
Surface area
2523699227327064
Volume
8.6263984973164E+21
Space diagonal
35522522.62528
Perimeter
61526814
Area
1.8213230353137E+14
Altitude
17761261.31264
Surface area
1.8213230353137E+14
Volume
1.016630812445E+21
Height
9668006.089823