12856909 (number)

12856909 is an odd 8-digits composite number following 12856908 and preceding 12856910. In scientific notation, it is written as 1.2856909 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 11275200 positive integers (up to 12856909) that are relatively prime to 12856909.

Interesting facts

Basic properties

Name

Name twelve million eight hundred fifty-six thousand nine hundred nine

Notation

Scientific notation 1.2856909 × 10^7
Engineering notation 1.2856909 × 10^6

Prime Factorization of 12856909

Prime Factorization 31 × 13 × 61 × 523

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12856909
Product of the distinct prime numbers

The prime factorization of 12856909 is 31 × 13 × 61 × 523. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12856909)

Multiplication

n×y
n×2 25713818
n×3 38570727
n×4 51427636
n×5 64284545

Division

n÷y
n÷2 6428454.5
n÷3 4285636.3333333
n÷3 3214227.25
n÷5 2571381.8

Exponentiation

ny
n2 165300109034281
n3 2.1252484595438E+21
n4 2.7324126046745E+28
n5 3.5130380208753E+35

Nth Root

y√n
2√n 3585.6532180343
3√n 234.26757931284
4√n 59.880324131006
5√n 26.413582805136

Divisors of 12856909

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 -12856908
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 12856909 can be divided by 16 positive divisors. The sum of these divisors (counting 12856909) is 1, the average is 0.0625.

Base conversion 12856909

Base System Value
2 Binary 110001000010111001001101
3 Ternary 220012012100211
4 Quaternary 301002321031
5 Quinary 11242410114
6 Senary 1135322421
8 Octal 61027115
10 Decimal 12856909
12 Duodecimal 4380411
16 Hexadecimal c42e4d
20 Vigesimal 407259
36 Base36 7nkgd

Cryptographic Hash Functions

md5 57bff81974f4ee3d298f13d79941b8e7
sha1 85ba1d82eb2ba64cbad505c61f05a957e1bcbf45
sha256 0233064a9ad5201c76ad97dcd480d00c823e0498a389fa2a905cf7df98cafd68
sha512 de3785d806be37c425ba00cf336701b986893e4f22dea35290b3c9a9b9822753bf595b363a3b0d5e58742862fdfd7720272b4af349ab2986ed564b34923734ab
ripemd-160 bf5f97f58617f2a0c21fd2e22050521346ca5e17

12856909 as geometric shapes

Circle

Radius = n
Diameter 25713818
Circumference 80782341.724545
Area 5.1930560817969E+14

Sphere

Radius = n
Volume 8.9022199300746E+21
Surface area 2.0772224327188E+15
Circumference 80782341.724545

Square

Length = n
Perimeter 51427636
Area 165300109034281
Diagonal 18182415.077997

Cube

Length = n
Surface area 991800654205686
Volume 2.1252484595438E+21
Space diagonal 22268819.61629

Equilateral Triangle

Length = n
Perimeter 38570727
Area 71577046836012
Altitude 11134409.808145

Triangular Pyramid

Length = n
Surface area 71577046836012
Volume 2.5046293290828E+20
Height 6060805.0259989