12909105 (number)

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.

Interesting facts

Basic properties

Name

Name twelve million nine hundred nine thousand one hundred five

Notation

Scientific notation 1.2909105 × 10^7
Engineering notation 1.2909105 × 10^6

Prime Factorization of 12909105

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.

Most popular turbo-numbers

Basic calculations (n = 12909105)

Multiplication

n×y
n×2 25818210
n×3 38727315
n×4 51636420
n×5 64545525

Division

n÷y
n÷2 6454552.5
n÷3 4303035
n÷3 3227276.25
n÷5 2581821

Exponentiation

ny
n2 166644991901025
n3 2.1512376981745E+21
n4 2.7770553325693E+28
n5 3.5849298878947E+35

Nth Root

y√n
2√n 3592.9242964471
3√n 234.58417486021
4√n 59.941006802081
5√n 26.434994638342

Divisors of 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 conversion 12909105

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

Cryptographic Hash Functions

md5 d0bca679c7c22d607d6ea272e4fdbfb6
sha1 971eac929b669d24320d4f268bdf8b1a89079f88
sha256 53b2e32d4ca5b586b6d8abff17497ce711fd6c654d6ec5f8cb998ca513368e5c
sha512 020096ab407c4ec489ba81ca00463b4eb613230217623e7d9c98320682328dd03af527554ff40297db810ca0c8c4a057964bf00c720647e937d42ea140cd90dc
ripemd-160 439a5c0d5a536e985d7a006efdcf76e452156fdf

12909105 as geometric shapes

Circle

Radius = n
Diameter 25818210
Circumference 81110298.864839
Area 5.2353068231379E+14

Sphere

Radius = n
Volume 9.0110833982805E+21
Surface area 2.0941227292552E+15
Circumference 81110298.864839

Square

Length = n
Perimeter 51636420
Area 166644991901025
Diagonal 18256231.369098

Cube

Length = n
Surface area 999869951406150
Volume 2.1512376981745E+21
Space diagonal 22359225.740241

Equilateral Triangle

Length = n
Perimeter 38727315
Area 72159398199870
Altitude 11179612.870121

Triangular Pyramid

Length = n
Surface area 72159398199870
Volume 2.5352579405389E+20
Height 6085410.4563661