12909105 is an odd 8-digits composite number following 12909104
and preceding 12909106 . In scientific notation, it is written as 1.2909105 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 6258240 positive integers (up to 12909105) that are relatively prime to 12909105.
12909105 has 16 divisors, whose sum is 19474560
The reverse of 12909105 is 50190921
Previous prime number is 55
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twelve million nine hundred nine thousand one hundred five
Scientific notation
1.2909105 × 10^7
Engineering notation
1.2909105 × 10^6
Prime Factorization
3 × 9 × 55 × 8693
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12909105
Product of the distinct prime numbers
The prime factorization of 12909105 is 3 × 9 × 55 × 8693.
Since it has a total of 4 prime factors.
5 , 8 , 36 , 58 , 582 , 463 , 9530 , 9120 , 25766 , 33134 , 347628 , 161773 , 3570599 , 7431739 , 41980410 , 18752480 , 139369110 , 656272990 , 2894679605 , 7279905936
n×2
25818210
n×3
38727315
n×4
51636420
n×5
64545525
n÷2
6454552.5
n÷3
4303035
n÷3
3227276.25
n÷5
2581821
n2
166644991901025
n3
2.1512376981745E+21
n4
2.7770553325693E+28
n5
3.5849298878947E+35
2 √n
3592.9242964471
3 √n
234.58417486021
4 √n
59.941006802081
5 √n
26.434994638342
1 , 3 , 9 , 27 , 55 , 165 , 495 , 1485 , 8693 , 26079 , 78237 , 234711 , 478115 , 1434345 , 4303035 , 12909105
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
-12909104
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 12909105 can be divided by 16 positive divisors.
The sum of these divisors (counting 12909105) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001001111101000110001
3
Ternary
220021211222000
4
Quaternary
301033220301
5
Quinary
11301042410
6
Senary
1140404213
8
Octal
61175061
10
Decimal
12909105
12
Duodecimal
43a6669
16
Hexadecimal
c4fa31
20
Vigesimal
40dcf5
36
Base36
7ooq9
md5
d0bca679c7c22d607d6ea272e4fdbfb6
sha1
971eac929b669d24320d4f268bdf8b1a89079f88
sha256
53b2e32d4ca5b586b6d8abff17497ce711fd6c654d6ec5f8cb998ca513368e5c
sha512
020096ab407c4ec489ba81ca00463b4eb613230217623e7d9c98320682328dd03af527554ff40297db810ca0c8c4a057964bf00c720647e937d42ea140cd90dc
ripemd-160
439a5c0d5a536e985d7a006efdcf76e452156fdf
Diameter
25818210
Circumference
81110298.864839
Area
5.2353068231379E+14
Volume
9.0110833982805E+21
Surface area
2.0941227292552E+15
Circumference
81110298.864839
Perimeter
51636420
Area
166644991901025
Diagonal
18256231.369098
Surface area
999869951406150
Volume
2.1512376981745E+21
Space diagonal
22359225.740241
Perimeter
38727315
Area
72159398199870
Altitude
11179612.870121
Surface area
72159398199870
Volume
2.5352579405389E+20
Height
6085410.4563661