20861121 is an odd 8-digits composite number following 20861120
and preceding 20861122 . In scientific notation, it is written as 2.0861121 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 13427792 positive integers (up to 20861121) that are relatively prime to 20861121.
20861121 has 8 divisors, whose sum is 28774080
The reverse of 20861121 is 12116802
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million eight hundred sixty-one thousand one hundred twenty-one
Scientific notation
2.0861121 × 10^7
Engineering notation
2.0861121 × 10^6
Prime Factorization
3 × 29 × 239783
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20861121
Product of the distinct prime numbers
The prime factorization of 20861121 is 3 × 29 × 239783.
Since it has a total of 3 prime factors.
7 , 10 , 75 , 36 , 32 , 256 , 8464 , 3484 , 6609 , 81287 , 492170 , 195500 , 9739910 , 5263172 , 46372148 , 87477859 , 378757479 , 565307582 , 410994101 , 4368007980
n×2
41722242
n×3
62583363
n×4
83444484
n×5
104305605
n÷2
10430560.5
n÷3
6953707
n÷3
5215280.25
n÷5
4172224.2
n2
435186369376641
n3
9.0784755091168E+21
n4
1.8938717609122E+29
n5
3.9508287962873E+36
2 √n
4567.3976179002
3 √n
275.28288686174
4 √n
67.582524500792
5 √n
29.098294059128
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
-20861120
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 20861121 can be divided by 8 positive divisors.
The sum of these divisors (counting 20861121) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111100101000011000001
3
Ternary
1110020212002010
4
Quaternary
1033211003001
5
Quinary
20320023441
6
Senary
2023043133
8
Octal
117450301
10
Decimal
20861121
12
Duodecimal
6ba04a9
16
Hexadecimal
13e50c1
20
Vigesimal
6a7cg1
36
Base36
cf4jl
md5
432badb979da5bd08dcbe211d8c47116
sha1
b5b1193530db0caa66074d3d28362866fe1f942e
sha256
8ce80214b86716bf80eb83a552e5aa0f7676cac7e20db90147e6e8c34dc0fb94
sha512
5597ba89196bbb9e8b06d5d88d45f8d2e4a853562314d3724e190a033f9b737d4209095e47a2868de7883db2d0dc296d4d851d1b24d2e23237c7060008452315
ripemd-160
c366f228765a757923a3135e723105cb6bd2918c
Diameter
41722242
Circumference
131074288.9585
Area
1.3671783009761E+15
Volume
3.8027829286982E+22
Surface area
5.4687132039043E+15
Circumference
131074288.9585
Perimeter
83444484
Area
435186369376641
Diagonal
29502080.244506
Surface area
2611118216259846
Volume
9.0784755091168E+21
Space diagonal
36132521.474842
Perimeter
62583363
Area
1.8844122563044E+14
Altitude
18066260.737421
Surface area
1.8844122563044E+14
Volume
1.0699085992221E+21
Height
9834026.7481687