12686209 is an odd 8-digits composite number following 12686208
and preceding 12686210 . In scientific notation, it is written as 1.2686209 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 12430320 positive integers (up to 12686209) that are relatively prime to 12686209.
12686209 has 8 divisors, whose sum is 12944448
The reverse of 12686209 is 90268621
Previous prime number is 197
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twelve million six hundred eighty-six thousand two hundred nine
Scientific notation
1.2686209 × 10^7
Engineering notation
1.2686209 × 10^6
Prime Factorization
71 × 197 × 907
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12686209
Product of the distinct prime numbers
The prime factorization of 12686209 is 71 × 197 × 907.
Since it has a total of 3 prime factors.
2 , 3 , 26 , 65 , 807 , 543 , 3211 , 3248 , 17731 , 66673 , 236173 , 174271 , 581054 , 1459799 , 23420662 , 58427970 , 944796720 , 172490288 , 3560774402 , 1054626287
n×2
25372418
n×3
38058627
n×4
50744836
n×5
63431045
n÷2
6343104.5
n÷3
4228736.3333333
n÷3
3171552.25
n÷5
2537241.8
n2
160939898791681
n3
2.0417171925101E+21
n4
2.5901651023077E+28
n5
3.2859375832381E+35
2 √n
3561.7704867102
3 √n
233.22617369637
4 √n
59.680570428827
5 √n
26.34306918031
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
-12686208
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 12686209 can be divided by 8 positive divisors.
The sum of these divisors (counting 12686209) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000011001001110000001
3
Ternary
212212112012121
4
Quaternary
300121032001
5
Quinary
11221424314
6
Senary
1131524241
8
Octal
60311601
10
Decimal
12686209
12
Duodecimal
42b9681
16
Hexadecimal
c19381
20
Vigesimal
3j5fa9
36
Base36
7jwqp
md5
fe663cca47016af9ebc37322df08af9c
sha1
165baf094b45b7032a368f91b125a48a0ab951c7
sha256
e44e74eed8a51437b425be8722e79d10164ccbf82b982c3f6ae73822db0cc0ac
sha512
21ac62d7ae18fa8a58adbfde2ff90e4dc5050ac5a9b6c4457b960ae042ef8571d7031c5bba0d6c8d520013620b1d850b91c942674a264895778617cbcd22503d
ripemd-160
6f875096337aa1958c4f7e8c72e5974343cac339
Diameter
25372418
Circumference
79709801.992609
Area
5.0560760371343E+14
Volume
8.5523249769303E+21
Surface area
2.0224304148537E+15
Circumference
79709801.992609
Perimeter
50744836
Area
160939898791681
Diagonal
17941008.8229
Surface area
965639392750086
Volume
2.0417171925101E+21
Space diagonal
21973158.543438
Perimeter
38058627
Area
69689020418046
Altitude
10986579.271719
Surface area
69689020418046
Volume
2.4061867868151E+20
Height
5980336.2742999