20403561 is an odd 8-digits composite number following 20403560
and preceding 20403562 . In scientific notation, it is written as 2.0403561 × 10^7.
The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors.
There are 13602372 positive integers (up to 20403561) that are relatively prime to 20403561.
20403561 has 4 divisors, whose sum is 27204752
The reverse of 20403561 is 16530402
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million four hundred three thousand five hundred sixty-one
Scientific notation
2.0403561 × 10^7
Engineering notation
2.0403561 × 10^6
Prime Factorization
3 × 6801187
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20403561
Product of the distinct prime numbers
The prime factorization of 20403561 is 3 × 6801187.
Since it has a total of 2 prime factors.
2 , 5 , 45 , 52 , 987 , 832 , 5015 , 721 , 50165 , 84871 , 398180 , 356782 , 9717079 , 4414996 , 59592666 , 60352780 , 640217828 , 516602877 , 1731094764 , 1966289044
n×2
40807122
n×3
61210683
n×4
81614244
n×5
102017805
n÷2
10201780.5
n÷3
6801187
n÷3
5100890.25
n÷5
4080712.2
n2
416305301480721
n3
8.4941106133853E+21
n4
1.7331010404095E+29
n5
3.536143279716E+36
2 √n
4517.0301083787
3 √n
273.2553394696
4 √n
67.208854389721
5 √n
28.969512980721
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20403560
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20403561 can be divided by 4 positive divisors.
The sum of these divisors (counting 20403561) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101110101010101101001
3
Ternary
1102101121102110
4
Quaternary
1031311111221
5
Quinary
20210403221
6
Senary
2005152533
8
Octal
115652551
10
Decimal
20403561
12
Duodecimal
69bb749
16
Hexadecimal
1375569
20
Vigesimal
67a8i1
36
Base36
c5bhl
md5
c2e26a46364293352cb843b7aec03256
sha1
5525d3d63615cdeb0c7727ba083e2a389b2300c0
sha256
b587e7528b4e11da5f35c6ff852f51ceba2494d6fed35c3bd1699079a5b0bc21
sha512
2137ff6c5af1b11343c71c9956fc4c8e8631327bc1aaabff50dcb8d1001d73a6ddf602d527a634c4412308c49adbd1f2aeca3f6a4af7a5d7d72865da522524c8
ripemd-160
8c31cbf92b9986c52bff4e88346f784648d04cab
Diameter
40807122
Circumference
128199354.68934
Area
1.3078616767823E+15
Volume
3.558004733572E+22
Surface area
5.2314467071293E+15
Circumference
128199354.68934
Perimeter
81614244
Area
416305301480721
Diagonal
28854992.686907
Surface area
2497831808884326
Volume
8.4941106133853E+21
Space diagonal
35340004.307331
Perimeter
61210683
Area
1.8026548340622E+14
Altitude
17670002.153665
Surface area
1.8026548340622E+14
Volume
1.0010405358122E+21
Height
9618330.8956356