20690505 is an odd 8-digits composite number following 20690504
and preceding 20690506 . In scientific notation, it is written as 2.0690505 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 10031040 positive integers (up to 20690505) that are relatively prime to 20690505.
20690505 has 16 divisors, whose sum is 26753280
The reverse of 20690505 is 50509602
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million six hundred ninety thousand five hundred five
Scientific notation
2.0690505 × 10^7
Engineering notation
2.0690505 × 10^6
Prime Factorization
15 × 9 × 11 × 13933
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20690505
Product of the distinct prime numbers
The prime factorization of 20690505 is 15 × 9 × 11 × 13933.
Since it has a total of 4 prime factors.
5 , 6 , 48 , 48 , 969 , 880 , 6951 , 5791 , 82681 , 7701 , 340628 , 419084 , 6136123 , 3998 , 64111181 , 44067155 , 33236540 , 277065518 , 810682179 , 375951014
n×2
41381010
n×3
62071515
n×4
82762020
n×5
103452525
n÷2
10345252.5
n÷3
6896835
n÷3
5172626.25
n÷5
4138101
n2
428096997155025
n3
8.857543060121E+21
n4
1.8326703897315E+29
n5
3.7918875862091E+36
2 √n
4548.6816771456
3 √n
274.53034989458
4 √n
67.443915049066
5 √n
29.050540572431
1 , 9 , 11 , 15 , 99 , 135 , 165 , 1485 , 13933 , 125397 , 153263 , 208995 , 1379367 , 1880955 , 2298945 , 20690505
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
-20690504
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 20690505 can be divided by 16 positive divisors.
The sum of these divisors (counting 20690505) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111011011001001001
3
Ternary
1102221012001000
4
Quaternary
1032323121021
5
Quinary
20244044010
6
Senary
2015245213
8
Octal
116733111
10
Decimal
20690505
12
Duodecimal
6b19809
16
Hexadecimal
13bb649
20
Vigesimal
696655
36
Base36
cbgw9
md5
bcd976b6b3d4341136feb5e33b52d116
sha1
1fa1f80a4c70e52f7a57df61c6f8c6a6b4e5d98b
sha256
1f1d11ec356280349c8f251b654cdc57ef88036644a15530ec0ebb5c9f32896d
sha512
02735fa28485ef21defdfdc2bfdb82f860629d4ea821ae46a5df89b5ad6384e37fc7554441c0f94b07bf200220c3ab78600487e48c9c7697947bc07aecbd2f8b
ripemd-160
aba2a1979665d60dcd4a6b3b3ba065d0e9765257
Diameter
41381010
Circumference
130002277.01413
Area
1.3449063812861E+15
Volume
3.7102389608709E+22
Surface area
5.3796255251443E+15
Circumference
130002277.01413
Perimeter
82762020
Area
428096997155025
Diagonal
29260792.783348
Surface area
2568581982930150
Volume
8.857543060121E+21
Space diagonal
35837005.894258
Perimeter
62071515
Area
1.8537143741004E+14
Altitude
17918502.947129
Surface area
1.8537143741004E+14
Volume
1.0438714604106E+21
Height
9753597.5944494