12909213 is an odd 8-digits composite number following 12909212
and preceding 12909214 . In scientific notation, it is written as 1.2909213 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 8551872 positive integers (up to 12909213) that are relatively prime to 12909213.
12909213 has 16 divisors, whose sum is 17962560
The reverse of 12909213 is 31290921
Previous prime number is 197
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twelve million nine hundred nine thousand two hundred thirteen
Scientific notation
1.2909213 × 10^7
Engineering notation
1.2909213 × 10^6
Prime Factorization
27 × 3 × 197 × 809
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12909213
Product of the distinct prime numbers
The prime factorization of 12909213 is 27 × 3 × 197 × 809.
Since it has a total of 4 prime factors.
7 , 5 , 61 , 49 , 120 , 467 , 7630 , 3743 , 71981 , 46332 , 959570 , 695381 , 5949464 , 4918113 , 46464709 , 85676756 , 683807043 , 581778267 , 2461597628 , 2025809676
n×2
25818426
n×3
38727639
n×4
51636852
n×5
64546065
n÷2
6454606.5
n÷3
4303071
n÷3
3227303.25
n÷5
2581842.6
n2
166647780279369
n3
2.1512916916036E+21
n4
2.7771482672041E+28
n5
3.5850798513918E+35
2 √n
3592.9393259558
3 √n
234.58482905016
4 √n
59.941132171121
5 √n
26.435038870221
1 , 3 , 27 , 81 , 197 , 591 , 809 , 2427 , 5319 , 15957 , 21843 , 65529 , 159373 , 478119 , 4303071 , 12909213
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12909212
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12909213 can be divided by 16 positive divisors.
The sum of these divisors (counting 12909213) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001001111101010011101
3
Ternary
220021212010000
4
Quaternary
301033222131
5
Quinary
11301043323
6
Senary
1140404513
8
Octal
61175235
10
Decimal
12909213
12
Duodecimal
43a6739
16
Hexadecimal
c4fa9d
20
Vigesimal
40dd0d
36
Base36
7oot9
md5
b96eeeacb4f966c48b0aa506dc4123b7
sha1
14609699e77e493f7ddf672d07bca9ac0bc094e1
sha256
2da08e24b535e9a00d7cfb28ff16e4d15cf9662999318ce897ed9f96dc0f4783
sha512
fefd29f186be08a5bea6966e1073aea9976674e8ff2333589d5bf3e8b400b30e605e9ef7160f3c7c0be8afcc078aaa8cc520cb38d73861cfd6edc44a608d24f8
ripemd-160
139054a29ffa59a108cf5423e6c519f19948d980
Diameter
25818426
Circumference
81110977.448852
Area
5.2353944226271E+14
Volume
9.0113095654274E+21
Surface area
2.0941577690508E+15
Circumference
81110977.448852
Perimeter
51636852
Area
166647780279369
Diagonal
18256384.104163
Surface area
999886681676214
Volume
2.1512916916036E+21
Space diagonal
22359412.801729
Perimeter
38727639
Area
72160605603110
Altitude
11179706.400864
Surface area
72160605603110
Volume
2.5353215724053E+20
Height
6085461.3680544