20565481 is an odd 8-digits composite number following 20565480
and preceding 20565482 . In scientific notation, it is written as 2.0565481 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 19934880 positive integers (up to 20565481) that are relatively prime to 20565481.
20565481 has 8 divisors, whose sum is 21203424
The reverse of 20565481 is 18456502
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million five hundred sixty-five thousand four hundred eighty-one
Scientific notation
2.0565481 × 10^7
Engineering notation
2.0565481 × 10^6
Prime Factorization
43 × 137 × 3491
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20565481
Product of the distinct prime numbers
The prime factorization of 20565481 is 43 × 137 × 3491.
Since it has a total of 3 prime factors.
7 , 2 , 60 , 65 , 161 , 412 , 4165 , 206 , 47357 , 24503 , 770206 , 450240 , 983453 , 4348559 , 2101511 , 86032937 , 617786046 , 203364259 , 4812510515 , 86118052
n×2
41130962
n×3
61696443
n×4
82261924
n×5
102827405
n÷2
10282740.5
n÷3
6855160.3333333
n÷3
5141370.25
n÷5
4113096.2
n2
422939008761361
n3
8.6979441488406E+21
n4
1.7887740513204E+29
n5
3.6786998765723E+36
2 √n
4534.9179705922
3 √n
273.97627531809
4 √n
67.341799579401
5 √n
29.015347372061
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
-20565480
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 20565481 can be divided by 8 positive divisors.
The sum of these divisors (counting 20565481) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110011100110111101001
3
Ternary
1102200211112111
4
Quaternary
1032130313221
5
Quinary
20231043411
6
Senary
2012442321
8
Octal
116346751
10
Decimal
20565481
12
Duodecimal
6a793a1
16
Hexadecimal
139cde9
20
Vigesimal
68ade1
36
Base36
c8sfd
md5
f4390c7e747d1a561b60d826b40bc2e9
sha1
ce180c528eba110754dd501f2d2eba074df6e40b
sha256
101691a12714ed810ac4d086b53005ac5f226d1bc9dee2d5da68d697a4abe2f0
sha512
b226863160027e416b7c187665de32421306258bc3a0e04dd390ea7504c76b184b66294c395db5a4d2efd24539fcbd136e1f7670156dad2ef8ba16d48f7b1837
ripemd-160
de4d52a4832a4aec2d48b06711988d323b9d2126
Diameter
41130962
Circumference
129216728.05428
Area
1.3287020828412E+15
Volume
3.6433863252443E+22
Surface area
5.314808331365E+15
Circumference
129216728.05428
Perimeter
82261924
Area
422939008761361
Diagonal
29083982.146926
Surface area
2537634052568166
Volume
8.6979441488406E+21
Space diagonal
35620457.974092
Perimeter
61696443
Area
1.8313796291937E+14
Altitude
17810228.987046
Surface area
1.8313796291937E+14
Volume
1.0250625483378E+21
Height
9694660.7156421