2105909 is an odd 7-digits composite number following 2105908
and preceding 2105910 . In scientific notation, it is written as 2.105909 × 10^6.
The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors.
There are 1827072 positive integers (up to 2105909) that are relatively prime to 2105909.
2105909 has 12 divisors, whose sum is 2417796
The reverse of 2105909 is 9095012
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 26
Digital Root 8
Name
two million one hundred five thousand nine hundred nine
Scientific notation
2.105909 × 10^6
Engineering notation
2.105909 × 10^6
Prime Factorization
13 × 13 × 17 × 733
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
161993
Product of the distinct prime numbers
The prime factorization of 2105909 is 13 × 13 × 17 × 733.
Since it has a total of 4 prime factors.
3 , 4 , 29 , 26 , 813 , 297 , 2666 , 4818 , 63158 , 53362 , 599721 , 294491 , 4713868 , 7911344 , 35819877 , 68386359 , 202149278 , 384423659 , 9846500724 , 4508913616
n×2
4211818
n×3
6317727
n×4
8423636
n×5
10529545
n÷2
1052954.5
n÷3
701969.66666667
n÷3
526477.25
n÷5
421181.8
n2
4434852716281
n3
9.3393962488906E+18
n4
1.9667918615105E+25
n5
4.1418846822817E+31
2 √n
1451.1750411305
3 √n
128.1779142138
4 √n
38.094291450695
5 √n
18.394497154098
1 , 13 , 17 , 169 , 221 , 733 , 2873 , 9529 , 12461 , 123877 , 161993 , 2105909
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2105908
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2105909 can be divided by 12 positive divisors.
The sum of these divisors (counting 2105909) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000000010001000110101
3
Ternary
10221222202122
4
Quaternary
20002020311
5
Quinary
1014342114
6
Senary
113045325
8
Octal
10021065
10
Decimal
2105909
12
Duodecimal
856845
16
Hexadecimal
202235
20
Vigesimal
d34f9
36
Base36
194xh
md5
09c92b5dbb6ee0f5c68ea73613655918
sha1
aaf54481ce185243cb8632ee11d009725cfc0aaa
sha256
3c8e0e3c235ccc4302ba70822c93dceb69dd5584ef49976ee99f446f477adcc8
sha512
ef1230b6c971bb7f6a416b34f2674687592940efd1977d5f6d9b32f7665442e4f78e4436e8fa2548b90aefedbfa1e196277d7d1b08d31d6fae4b955fca91f715
ripemd-160
8497179fd9539707c6ead99487bed5692b438282
Diameter
4211818
Circumference
13231816.487057
Area
13932500713221
Volume
3.9120771525972E+19
Surface area
55730002852885
Circumference
13231816.487057
Perimeter
8423636
Area
4434852716281
Diagonal
2978205.0689236
Surface area
26609116297686
Volume
9.3393962488906E+18
Space diagonal
3647541.3841166
Perimeter
6317727
Area
1920347557170.9
Altitude
1823770.6920583
Surface area
1920347557170.9
Volume
1.1006584032965E+18
Height
992735.02297452