12912409 (number)

12912409 is an odd 8-digits composite number following 12912408 and preceding 12912410. In scientific notation, it is written as 1.2912409 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 12870580 positive integers (up to 12912409) that are relatively prime to 12912409.

Interesting facts

Basic properties

Name

Name twelve million nine hundred twelve thousand four hundred nine

Notation

Scientific notation 1.2912409 × 10^7
Engineering notation 1.2912409 × 10^6

Prime Factorization of 12912409

Prime Factorization 311 × 41519

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12912409
Product of the distinct prime numbers

The prime factorization of 12912409 is 311 × 41519. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12912409)

Multiplication

n×y
n×2 25824818
n×3 38737227
n×4 51649636
n×5 64562045

Division

n÷y
n÷2 6456204.5
n÷3 4304136.3333333
n÷3 3228102.25
n÷5 2582481.8

Exponentiation

ny
n2 166730306183281
n3 2.1528899061338E+21
n4 2.7798994999971E+28
n5 3.5895199322858E+35

Nth Root

y√n
2√n 3593.3840596296
3√n 234.60418657542
4√n 59.944841810031
5√n 26.436347672218

Divisors of 12912409

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12912408
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12912409 can be divided by 4 positive divisors. The sum of these divisors (counting 12912409) is 1, the average is 0.25.

Base conversion 12912409

Base System Value
2 Binary 110001010000011100011001
3 Ternary 220022000111101
4 Quaternary 301100130121
5 Quinary 11301144114
6 Senary 1140431401
8 Octal 61203431
10 Decimal 12912409
12 Duodecimal 43a8561
16 Hexadecimal c50719
20 Vigesimal 40e109
36 Base36 7ora1

Cryptographic Hash Functions

md5 fcd5a32f81da47212c87334f1dcb5992
sha1 8c80e4824faddeefbe34640d2eb5e23f5c49d7c9
sha256 059917cf648dcd2220a40b101c3ecec0ca339922ac8b94a734ae8025a4a8cdf6
sha512 3c6c584b4b2cc9b40e860da18590b5f90118a03d5c7b9386c1361e5fa3e2b77026c12fcb5028628c0536f0ffba0a029614e2e53d234e49566f95142519972856
ripemd-160 6e63893d71fffbf6e7d729566ad229e640f8d662

12912409 as geometric shapes

Circle

Radius = n
Diameter 25824818
Circumference 81131058.509093
Area 5.2379870503617E+14

Sphere

Radius = n
Volume 9.0180041507966E+21
Surface area 2.0951948201447E+15
Circumference 81131058.509093

Square

Length = n
Perimeter 51649636
Area 166730306183281
Diagonal 18260903.930708

Cube

Length = n
Surface area 1000381837099686
Volume 2.1528899061338E+21
Space diagonal 22364948.43611

Equilateral Triangle

Length = n
Perimeter 38737227
Area 72196340367740
Altitude 11182474.218055

Triangular Pyramid

Length = n
Surface area 72196340367740
Volume 2.5372050862921E+20
Height 6086967.9769028