12856815 (number)

12856815 is an odd 8-digits composite number following 12856814 and preceding 12856816. In scientific notation, it is written as 1.2856815 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 6856944 positive integers (up to 12856815) that are relatively prime to 12856815.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2856815 × 10^7
Engineering notation 1.2856815 × 10^6

Prime Factorization of 12856815

Prime Factorization 3 × 15 × 285707

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12856815
Product of the distinct prime numbers

The prime factorization of 12856815 is 3 × 15 × 285707. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12856815)

Multiplication

n×y
n×2 25713630
n×3 38570445
n×4 51427260
n×5 64284075

Division

n÷y
n÷2 6428407.5
n÷3 4285605
n÷3 3214203.75
n÷5 2571363

Exponentiation

ny
n2 165297691944225
n3 2.1252018452539E+21
n4 2.7323326962088E+28
n5 3.5129095993608E+35

Nth Root

y√n
2√n 3585.6401102174
3√n 234.2670083823
4√n 59.880214680789
5√n 26.413544181793

Divisors of 12856815

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 -12856814
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 12856815 can be divided by 8 positive divisors. The sum of these divisors (counting 12856815) is 1, the average is 0.125.

Base conversion 12856815

Base System Value
2 Binary 110001000010110111101111
3 Ternary 220012012020100
4 Quaternary 301002313233
5 Quinary 11242404230
6 Senary 1135322143
8 Octal 61026757
10 Decimal 12856815
12 Duodecimal 4380353
16 Hexadecimal c42def
20 Vigesimal 40720f
36 Base36 7nkdr

Cryptographic Hash Functions

md5 74bb76932ad89dad592bba2df1824af5
sha1 c9c3809a0706e19ad44ecaee446b70ef28e4d9f2
sha256 34baa52f3279661bcea294614dac51ae7d5c93a46210c64b6999353a4784f9fb
sha512 5b26c6546ee13e4dd2f81804d3dbdbf2f83c2a143a0b2686735af505da3573a68fbf16589d66ee3939e7ba37e5a4b094c222979d46d562e9c44dbea7a80710f4
ripemd-160 931e1825c51217d95a113fceee573a987198eb8d

12856815 as geometric shapes

Circle

Radius = n
Diameter 25713630
Circumference 80781751.105126
Area 5.1929801466733E+14

Sphere

Radius = n
Volume 8.9020246725935E+21
Surface area 2.0771920586693E+15
Circumference 80781751.105126

Square

Length = n
Perimeter 51427260
Area 165297691944225
Diagonal 18182282.141922

Cube

Length = n
Surface area 991786151665350
Volume 2.1252018452539E+21
Space diagonal 22268656.803514

Equilateral Triangle

Length = n
Perimeter 38570445
Area 71576000205317
Altitude 11134328.401757

Triangular Pyramid

Length = n
Surface area 71576000205317
Volume 2.5045743936153E+20
Height 6060760.7139739