20504705 is an odd 8-digits composite number following 20504704
and preceding 20504706 . In scientific notation, it is written as 2.0504705 × 10^7.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 14344128 positive integers (up to 20504705) that are relatively prime to 20504705.
20504705 has 8 divisors, whose sum is 22315776
The reverse of 20504705 is 50740502
Previous prime number is 95
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million five hundred four thousand seven hundred five
Scientific notation
2.0504705 × 10^7
Engineering notation
2.0504705 × 10^6
Prime Factorization
13 × 95 × 16603
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20504705
Product of the distinct prime numbers
The prime factorization of 20504705 is 13 × 95 × 16603.
Since it has a total of 3 prime factors.
6 , 10 , 13 , 48 , 65 , 391 , 9368 , 8438 , 75880 , 47759 , 441561 , 647852 , 143980 , 5874657 , 57163107 , 56850527 , 663518045 , 396944614 , 2764803772 , 2536145461
n×2
41009410
n×3
61514115
n×4
82018820
n×5
102523525
n÷2
10252352.5
n÷3
6834901.6666667
n÷3
5126176.25
n÷5
4100941
n2
420442927137025
n3
8.6210581902812E+21
n4
1.7677225497955E+29
n5
3.6246629405404E+36
2 √n
4528.2121195898
3 √n
273.70612016738
4 √n
67.291991496684
5 √n
28.998177581482
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
-20504704
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 20504705 can be divided by 8 positive divisors.
The sum of these divisors (counting 20504705) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110001110000010000001
3
Ternary
1102120202011112
4
Quaternary
1032032002001
5
Quinary
20222122310
6
Senary
2011253105
8
Octal
116160201
10
Decimal
20504705
12
Duodecimal
6a4a195
16
Hexadecimal
138e081
20
Vigesimal
6831f5
36
Base36
c7hj5
md5
34730f6a9d417176d7da10c5906ca2fb
sha1
b0545124da69263f0aa7b1b67ed101685e010226
sha256
6dba0eddb8b219d3e4e68467275ba74f61b21e59713d9f677cb2ed2c3460faee
sha512
d216a77cf93db2aa88170d70dfded917f5aed4b814299dc48f9f91f13cb5f25f36c265836064c49f49474605b81ce2664d5023419a6b19eff5c0c19244c315c5
ripemd-160
ee53ff758f1f531d45de4d8359d70a86d223f736
Diameter
41009410
Circumference
128834861.18405
Area
1.3208604111475E+15
Volume
3.6111804102343E+22
Surface area
5.2834416445899E+15
Circumference
128834861.18405
Perimeter
82018820
Area
420442927137025
Diagonal
28998031.903459
Surface area
2522657562822150
Volume
8.6210581902812E+21
Space diagonal
35515190.854212
Perimeter
61514115
Area
1.8205712787108E+14
Altitude
17757595.427106
Surface area
1.8205712787108E+14
Volume
1.0160014512253E+21
Height
9666010.6344865