12912909 (number)

12912909 is an odd 8-digits composite number following 12912908 and preceding 12912910. In scientific notation, it is written as 1.2912909 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 8346240 positive integers (up to 12912909) that are relatively prime to 12912909.

Interesting facts

Basic properties

Name

Name twelve million nine hundred twelve thousand nine hundred nine

Notation

Scientific notation 1.2912909 × 10^7
Engineering notation 1.2912909 × 10^6

Prime Factorization of 12912909

Prime Factorization 123 × 277 × 379

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12912909
Product of the distinct prime numbers

The prime factorization of 12912909 is 123 × 277 × 379. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12912909)

Multiplication

n×y
n×2 25825818
n×3 38738727
n×4 51651636
n×5 64564545

Division

n÷y
n÷2 6456454.5
n÷3 4304303
n÷3 3228227.25
n÷5 2582581.8

Exponentiation

ny
n2 166743218842281
n3 2.1531400112775E+21
n4 2.7803301029885E+28
n5 3.5902149609851E+35

Nth Root

y√n
2√n 3593.4536312578
3√n 234.60721468529
4√n 59.945422104259
5√n 26.436552405031

Divisors of 12912909

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 -12912908
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 12912909 can be divided by 8 positive divisors. The sum of these divisors (counting 12912909) is 1, the average is 0.125.

Base conversion 12912909

Base System Value
2 Binary 110001010000100100001101
3 Ternary 220022001011220
4 Quaternary 301100210031
5 Quinary 11301203114
6 Senary 1140433553
8 Octal 61204415
10 Decimal 12912909
12 Duodecimal 43a88b9
16 Hexadecimal c5090d
20 Vigesimal 40e259
36 Base36 7ornx

Cryptographic Hash Functions

md5 42f01e16c721fb4b1bb9a849f19ab91b
sha1 15f38fbd9ce997ed2bd85728b01069a9fb8f8dc5
sha256 8e4e712383b1986321c139a28d5030a44da0bcfc688177291f0f8987c54b4f62
sha512 99103489d75a19afcfcfc20d4c9904f538fa1817e6f59333efa29cb9f79536d50b86e2dfcfbc465d9a9bd50d6f9324168b35fedabd2c03a854a4432c67623d02
ripemd-160 8719276cc6b821aa8aff88d7635434832d18d5a4

12912909 as geometric shapes

Circle

Radius = n
Diameter 25825818
Circumference 81134200.101747
Area 5.2383927135083E+14

Sphere

Radius = n
Volume 9.0190517887727E+21
Surface area 2.0953570854033E+15
Circumference 81134200.101747

Square

Length = n
Perimeter 51651636
Area 166743218842281
Diagonal 18261611.03749

Cube

Length = n
Surface area 1000459313053686
Volume 2.1531400112775E+21
Space diagonal 22365814.461513

Equilateral Triangle

Length = n
Perimeter 38738727
Area 72201931713102
Altitude 11182907.230757

Triangular Pyramid

Length = n
Surface area 72201931713102
Volume 2.5374998380306E+20
Height 6087203.6791632