12856638 (number)

12856638 is an even 8-digits composite number following 12856637 and preceding 12856639. In scientific notation, it is written as 1.2856638 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 4285544 positive integers (up to 12856638) that are relatively prime to 12856638.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2856638 × 10^7
Engineering notation 1.2856638 × 10^6

Prime Factorization of 12856638

Prime Factorization 2 × 3 × 2142773

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12856638
Product of the distinct prime numbers

The prime factorization of 12856638 is 2 × 3 × 2142773. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12856638)

Multiplication

n×y
n×2 25713276
n×3 38569914
n×4 51426552
n×5 64283190

Division

n÷y
n÷2 6428319
n÷3 4285546
n÷3 3214159.5
n÷5 2571327.6

Exponentiation

ny
n2 165293140663044
n3 2.1251140733878E+21
n4 2.7321822350253E+28
n5 3.5126677945751E+35

Nth Root

y√n
2√n 3585.615428347
3√n 234.26593332468
4√n 59.880008586731
5√n 26.413471454246

Divisors of 12856638

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 -12856637
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 12856638 can be divided by 8 positive divisors. The sum of these divisors (counting 12856638) is 1, the average is 0.125.

Base conversion 12856638

Base System Value
2 Binary 110001000010110100111110
3 Ternary 220012011222210
4 Quaternary 301002310332
5 Quinary 11242403023
6 Senary 1135321250
8 Octal 61026476
10 Decimal 12856638
12 Duodecimal 4380226
16 Hexadecimal c42d3e
20 Vigesimal 4071bi
36 Base36 7nk8u

Cryptographic Hash Functions

md5 74b05923cf346818addf010821a19480
sha1 dfc1b190d0fff54188c865dcc6e2488395e0f290
sha256 640c6e125cb28594654f981013d4f0d3e0c441a99100b0ec629b40c6c08b8bd6
sha512 98a86f5fc3f4af5ef298c8f8b1a0228c1161e94e5cbbe80867045092db9595db619393b278c39c87ac965a4b2aefa3dc83da5c72ef36a948d6997634af6d7665
ripemd-160 3223f7055d7022a6fe60db3e27e71fbbcca9d225

12856638 as geometric shapes

Circle

Radius = n
Diameter 25713276
Circumference 80780638.981327
Area 5.192837163958E+14

Sphere

Radius = n
Volume 8.9016570146607E+21
Surface area 2.0771348655832E+15
Circumference 80780638.981327

Square

Length = n
Perimeter 51426552
Area 165293140663044
Diagonal 18182031.826121

Cube

Length = n
Surface area 991758843978264
Volume 2.1251140733878E+21
Space diagonal 22268350.230521

Equilateral Triangle

Length = n
Perimeter 38569914
Area 71574029442755
Altitude 11134175.11526

Triangular Pyramid

Length = n
Surface area 71574029442755
Volume 2.5044709534792E+20
Height 6060677.2753738