20505511 is an odd 8-digits composite number following 20505510
and preceding 20505512 . In scientific notation, it is written as 2.0505511 × 10^7.
The sum of its digits is 19. It has a total of 4 prime factors and 16 positive divisors.
There are 18171648 positive integers (up to 20505511) that are relatively prime to 20505511.
20505511 has 16 divisors, whose sum is 22982400
The reverse of 20505511 is 11550502
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million five hundred five thousand five hundred eleven
Scientific notation
2.0505511 × 10^7
Engineering notation
2.0505511 × 10^6
Prime Factorization
13 × 37 × 89 × 479
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20505511
Product of the distinct prime numbers
The prime factorization of 20505511 is 13 × 37 × 89 × 479.
Since it has a total of 4 prime factors.
7 , 6 , 43 , 88 , 557 , 127 , 8032 , 6297 , 28562 , 23716 , 825723 , 773978 , 5708120 , 3812176 , 33242899 , 50814523 , 892861943 , 854539741 , 5541902224 , 4883080150
n×2
41011022
n×3
61516533
n×4
82022044
n×5
102527555
n÷2
10252755.5
n÷3
6835170.3333333
n÷3
5126377.75
n÷5
4101102.2
n2
420475981371121
n3
8.6220748612413E+21
n4
1.7680005091001E+29
n5
3.6253753887357E+36
2 √n
4528.3011163128
3 √n
273.70970640514
4 √n
67.292652766203
5 √n
28.998405550269
1 , 13 , 37 , 89 , 479 , 481 , 1157 , 3293 , 6227 , 17723 , 42631 , 42809 , 230399 , 554203 , 1577347 , 20505511
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20505510
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20505511 can be divided by 16 positive divisors.
The sum of these divisors (counting 20505511) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110001110001110100111
3
Ternary
1102120210021101
4
Quaternary
1032032032213
5
Quinary
20222134021
6
Senary
2011300531
8
Octal
116161647
10
Decimal
20505511
12
Duodecimal
6a4a747
16
Hexadecimal
138e3a7
20
Vigesimal
6833fb
36
Base36
c7i5j
md5
8423be32797e92f6b4478d5a07da4d52
sha1
e100df7da34ef5747ec76cfd97586da3cc4c36f3
sha256
53d756b7583a58d1e090ee45ed49b0e52677ad11f6bc9a9d0af6df63c0c1a3f6
sha512
9c315ed6cd324c08082fc9c731a1af1dd40a78cbba366819ff806fd8498d0c9d2f498dddac7364a1bacac16acc71b6d200dece17c7b1f529b69eccb4046d403d
ripemd-160
7794b950dfc7def507aeaf60dd7e1e3ef10c239a
Diameter
41011022
Circumference
128839925.43141
Area
1.3209642540865E+15
Volume
3.6116062723703E+22
Surface area
5.2838570163459E+15
Circumference
128839925.43141
Perimeter
82022044
Area
420475981371121
Diagonal
28999171.759591
Surface area
2522855888226726
Volume
8.6220748612413E+21
Space diagonal
35516586.887162
Perimeter
61516533
Area
1.8207144077429E+14
Altitude
17758293.443581
Surface area
1.8207144077429E+14
Volume
1.016121267047E+21
Height
9666390.5865302