12912389 (number)

12912389 is an odd 8-digits composite number following 12912388 and preceding 12912390. In scientific notation, it is written as 1.2912389 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 10959696 positive integers (up to 12912389) that are relatively prime to 12912389.

Interesting facts

Basic properties

Name

Name twelve million nine hundred twelve thousand three hundred eighty-nine

Notation

Scientific notation 1.2912389 × 10^7
Engineering notation 1.2912389 × 10^6

Prime Factorization of 12912389

Prime Factorization 7 × 103 × 17909

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12912389
Product of the distinct prime numbers

The prime factorization of 12912389 is 7 × 103 × 17909. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12912389)

Multiplication

n×y
n×2 25824778
n×3 38737167
n×4 51649556
n×5 64561945

Division

n÷y
n÷2 6456194.5
n÷3 4304129.6666667
n÷3 3228097.25
n÷5 2582477.8

Exponentiation

ny
n2 166729789687321
n3 2.1528799023309E+21
n4 2.7798822769178E+28
n5 3.5894921333769E+35

Nth Root

y√n
2√n 3593.3812767364
3√n 234.6040654494
4√n 59.944818597911
5√n 26.436339482774

Divisors of 12912389

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 -12912388
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 12912389 can be divided by 8 positive divisors. The sum of these divisors (counting 12912389) is 1, the average is 0.125.

Base conversion 12912389

Base System Value
2 Binary 110001010000011100000101
3 Ternary 220022000110122
4 Quaternary 301100130011
5 Quinary 11301144024
6 Senary 1140431325
8 Octal 61203405
10 Decimal 12912389
12 Duodecimal 43a8545
16 Hexadecimal c50705
20 Vigesimal 40e0j9
36 Base36 7or9h

Cryptographic Hash Functions

md5 39af38611ec042257ebcf689e7e88b2e
sha1 b85ec32c5715f4c0ca761495bf5906b6fe6f8baa
sha256 66b270f80a3f7f9e25487021c03b96fb0566bd4771cf80afd13416c899737053
sha512 d7f0c0e4057edc3ff96fb3a6dd63a3a3c108acb81b6c994ff56706339cd44973ed3a993e6e156460a6b0eb25d42983cae32206ca34d9bdeefb758f7e77286d53
ripemd-160 6080478c5dbbbace3a8f4d9d14d5f04595a82ebb

12912389 as geometric shapes

Circle

Radius = n
Diameter 25824778
Circumference 81130932.845387
Area 5.2379708241626E+14

Sphere

Radius = n
Volume 9.0179622469651E+21
Surface area 2.095188329665E+15
Circumference 81130932.845387

Square

Length = n
Perimeter 51649556
Area 166729789687321
Diagonal 18260875.646437

Cube

Length = n
Surface area 1000378738123926
Volume 2.1528799023309E+21
Space diagonal 22364913.795093

Equilateral Triangle

Length = n
Perimeter 38737167
Area 72196116718428
Altitude 11182456.897547

Triangular Pyramid

Length = n
Surface area 72196116718428
Volume 2.5371932966973E+20
Height 6086958.5488124