20508975 is an odd 8-digits composite number following 20508974
and preceding 20508976 . In scientific notation, it is written as 2.0508975 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 10938000 positive integers (up to 20508975) that are relatively prime to 20508975.
20508975 has 8 divisors, whose sum is 23699520
The reverse of 20508975 is 57980502
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million five hundred eight thousand nine hundred seventy-five
Scientific notation
2.0508975 × 10^7
Engineering notation
2.0508975 × 10^6
Prime Factorization
25 × 9 × 91151
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20508975
Product of the distinct prime numbers
The prime factorization of 20508975 is 25 × 9 × 91151.
Since it has a total of 3 prime factors.
2 , 3 , 12 , 65 , 53 , 355 , 8976 , 4944 , 14656 , 26242 , 688784 , 380793 , 5875171 , 1839320 , 28253894 , 98690765 , 33498168 , 497935803 , 7614447274 , 7404018924
n×2
41017950
n×3
61526925
n×4
82035900
n×5
102544875
n÷2
10254487.5
n÷3
6836325
n÷3
5127243.75
n÷5
4101795
n2
420618055550625
n3
8.6264451858364E+21
n4
1.7691954865519E+29
n5
3.6284386003805E+36
2 √n
4528.6835835594
3 √n
273.72511814883
4 √n
67.295494526449
5 √n
28.999385225342
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
-20508974
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 20508975 can be divided by 8 positive divisors.
The sum of these divisors (counting 20508975) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110001111000100101111
3
Ternary
1102120222000200
4
Quaternary
1032033010233
5
Quinary
20222241400
6
Senary
2011324543
8
Octal
116170457
10
Decimal
20508975
12
Duodecimal
6a50753
16
Hexadecimal
138f12f
20
Vigesimal
683c8f
36
Base36
c7ktr
md5
2cd26bd06d3d977c433ef4d893b60e96
sha1
caaeed2d07d06735530ed1347179a5101d5700a1
sha256
4951e42750eb6c89e30fc3a6466ee7297abbcf4d8333df8ace6d254c9f437d99
sha512
df3aafb25638e0d207f2f4151a481745274627d2f70c2ab6dad46c3e45eb381cd4e3a68cd04bca98a15d66699a67903a46078b0f105b71f3baee03f1e929bdf3
ripemd-160
3d4b586e4e52581f191d186718f6f0b7df2ec122
Diameter
41017950
Circumference
128861690.38531
Area
1.3214105932851E+15
Volume
3.6134369096558E+22
Surface area
5.2856423731403E+15
Circumference
128861690.38531
Perimeter
82035900
Area
420618055550625
Diagonal
29004070.595371
Surface area
2523708333303750
Volume
8.6264451858364E+21
Space diagonal
35522586.71116
Perimeter
61526925
Area
1.8213296069863E+14
Altitude
17761293.35558
Surface area
1.8213296069863E+14
Volume
1.0166363147398E+21
Height
9668023.5317903