12856945 (number)

12856945 is an odd 8-digits composite number following 12856944 and preceding 12856946. In scientific notation, it is written as 1.2856945 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 10007424 positive integers (up to 12856945) that are relatively prime to 12856945.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2856945 × 10^7
Engineering notation 1.2856945 × 10^6

Prime Factorization of 12856945

Prime Factorization 5 × 37 × 69497

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12856945
Product of the distinct prime numbers

The prime factorization of 12856945 is 5 × 37 × 69497. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12856945)

Multiplication

n×y
n×2 25713890
n×3 38570835
n×4 51427780
n×5 64284725

Division

n÷y
n÷2 6428472.5
n÷3 4285648.3333333
n÷3 3214236.25
n÷5 2571389

Exponentiation

ny
n2 165301034733025
n3 2.1252663120056E+21
n4 2.7324432083809E+28
n5 3.5130872045776E+35

Nth Root

y√n
2√n 3585.6582380366
3√n 234.26779796636
4√n 59.880366047951
5√n 26.413597596995

Divisors of 12856945

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 -12856944
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 12856945 can be divided by 8 positive divisors. The sum of these divisors (counting 12856945) is 1, the average is 0.125.

Base conversion 12856945

Base System Value
2 Binary 110001000010111001110001
3 Ternary 220012012102011
4 Quaternary 301002321301
5 Quinary 11242410240
6 Senary 1135322521
8 Octal 61027161
10 Decimal 12856945
12 Duodecimal 4380441
16 Hexadecimal c42e71
20 Vigesimal 407275
36 Base36 7nkhd

Cryptographic Hash Functions

md5 94691a8311c13895ab155877da7e5367
sha1 b2afd3c151974d789929419b7153a7d88d6ace13
sha256 b2e84a5e632c2d328acc2426e1c94faf4d1b92d091c5cb8bae1f5c3c7b97ba32
sha512 440e1c9a949d22981d605fa1f77485c96036bfc0bfdfdeb6704de33e48c066305b6ab258aede33acc0327bfcd6ffa13f795a252fb965e3a4b1607f889aa29347
ripemd-160 42820e051540b253a6edf548fdbc41b4b0e39679

12856945 as geometric shapes

Circle

Radius = n
Diameter 25713890
Circumference 80782567.919216
Area 5.1930851634806E+14

Sphere

Radius = n
Volume 8.9022947102915E+21
Surface area 2.0772340653923E+15
Circumference 80782567.919216

Square

Length = n
Perimeter 51427780
Area 165301034733025
Diagonal 18182465.989685

Cube

Length = n
Surface area 991806208398150
Volume 2.1252663120056E+21
Space diagonal 22268881.970119

Equilateral Triangle

Length = n
Perimeter 38570835
Area 71577447675327
Altitude 11134440.985059

Triangular Pyramid

Length = n
Surface area 71577447675327
Volume 2.5046503684108E+20
Height 6060821.9965617