20461918 is an even 8-digits composite number following 20461917
and preceding 20461919 . In scientific notation, it is written as 2.0461918 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 10230958 positive integers (up to 20461918) that are relatively prime to 20461918.
20461918 has 4 divisors, whose sum is 30692880
The reverse of 20461918 is 81916402
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million four hundred sixty-one thousand nine hundred eighteen
Scientific notation
2.0461918 × 10^7
Engineering notation
2.0461918 × 10^6
Prime Factorization
2 × 10230959
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20461918
Product of the distinct prime numbers
The prime factorization of 20461918 is 2 × 10230959.
Since it has a total of 2 prime factors.
8 , 9 , 16 , 27 , 837 , 956 , 4281 , 9368 , 7619 , 23171 , 660394 , 130822 , 5246145 , 4350738 , 71394240 , 92370338 , 394394383 , 981600676 , 4124346724 , 1235096051
n×2
40923836
n×3
61385754
n×4
81847672
n×5
102309590
n÷2
10230959
n÷3
6820639.3333333
n÷3
5115479.5
n÷5
4092383.6
n2
418690088238724
n3
8.5672022529535E+21
n4
1.7530138998935E+29
n5
3.5870026672481E+36
2 √n
4523.4851608025
3 √n
273.51560748564
4 √n
67.256859581774
5 √n
28.98606541558
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
-20461917
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 20461918 can be divided by 4 positive divisors.
The sum of these divisors (counting 20461918) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110000011100101011110
3
Ternary
1102111120110211
4
Quaternary
1032003211132
5
Quinary
20214240133
6
Senary
2010323034
8
Octal
116034536
10
Decimal
20461918
12
Duodecimal
6a2947a
16
Hexadecimal
138395e
20
Vigesimal
67hefi
36
Base36
c6kim
md5
17a9c206201982d2b61927f53c3e5097
sha1
b8820c107b6c5250145d930b64767eef9a69d1d8
sha256
05fa2ccf8c13c45c9d29b29e126bf7dc65502e7d0bb50b1597f8695f4c5d799a
sha512
09409e65c6f667e9caa4fa3c7f33585484e5adacf9d4ec4099a88950c89e2e4c18b6ca45bcc223e848d46421279bf45a4aca51c295ea836ab71088317448d1c7
ripemd-160
b161ccecce4b4cafb61c220021397f9968897d43
Diameter
40923836
Circumference
128566022.53431
Area
1.3153537053416E+15
Volume
3.5886212879596E+22
Surface area
5.2614148213666E+15
Circumference
128566022.53431
Perimeter
81847672
Area
418690088238724
Diagonal
28937521.947766
Surface area
2512140529432344
Volume
8.5672022529535E+21
Space diagonal
35441081.596308
Perimeter
61385754
Area
1.8129812636374E+14
Altitude
17720540.798154
Surface area
1.8129812636374E+14
Volume
1.0096544681434E+21
Height
9645840.6492554