20561105 is an odd 8-digits composite number following 20561104
and preceding 20561106 . In scientific notation, it is written as 2.0561105 × 10^7.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 16322800 positive integers (up to 20561105) that are relatively prime to 20561105.
20561105 has 8 divisors, whose sum is 24862464
The reverse of 20561105 is 50116502
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million five hundred sixty-one thousand one hundred five
Scientific notation
2.0561105 × 10^7
Engineering notation
2.0561105 × 10^6
Prime Factorization
5 × 131 × 31391
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20561105
Product of the distinct prime numbers
The prime factorization of 20561105 is 5 × 131 × 31391.
Since it has a total of 3 prime factors.
2 , 7 , 29 , 12 , 755 , 164 , 8570 , 1449 , 76924 , 35871 , 998678 , 547185 , 4158160 , 6223014 , 7085843 , 65509535 , 977850402 , 12329188 , 7657965188 , 4005674232
n×2
41122210
n×3
61683315
n×4
82244420
n×5
102805525
n÷2
10280552.5
n÷3
6853701.6666667
n÷3
5140276.25
n÷5
4112221
n2
422759038821025
n3
8.6923929868982E+21
n4
1.7872520490488E+29
n5
3.6747877041957E+36
2 √n
4534.4354665162
3 √n
273.95684137393
4 √n
67.338216983495
5 √n
29.014112468113
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
-20561104
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 20561105 can be divided by 8 positive divisors.
The sum of these divisors (counting 20561105) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110011011110011010001
3
Ternary
1102200121112102
4
Quaternary
1032123303101
5
Quinary
20230423410
6
Senary
2012410145
8
Octal
116336321
10
Decimal
20561105
12
Duodecimal
6a76955
16
Hexadecimal
139bcd1
20
Vigesimal
68a2f5
36
Base36
c8p1t
md5
3a97b699755f1e48b896e37c1990c174
sha1
35d092e839890434d53c5ac1fe0590c2562a8bd9
sha256
075ef46542e83601d2267a4d93fa12d0fbb18bd89aaa2841cbd37f88c68d5d94
sha512
6e0b1de80669adede59cf5f4fcf012b38aea18592224ea33391a50b83c9c9e389189d74f1b4f0e17dce8c880993b91b8b0e5505d2ff66bf5db9a1f1f7c611618
ripemd-160
8bb470c931c10ffac6f36b27e80adc7913f208e8
Diameter
41122210
Circumference
129189232.83538
Area
1.3281366905988E+15
Volume
3.6410610599673E+22
Surface area
5.3125467623953E+15
Circumference
129189232.83538
Perimeter
82244420
Area
422759038821025
Diagonal
29077793.548377
Surface area
2536554232926150
Volume
8.6923929868982E+21
Space diagonal
35612878.519758
Perimeter
61683315
Area
1.8306003364925E+14
Altitude
17806439.259879
Surface area
1.8306003364925E+14
Volume
1.024408337629E+21
Height
9692597.8494591