12891856 (number)

12891856 is an even 8-digits composite number following 12891855 and preceding 12891857. In scientific notation, it is written as 1.2891856 × 10^7. The sum of its digits is 40. It has a total of 5 prime factors and 10 positive divisors. There are 6445920 positive integers (up to 12891856) that are relatively prime to 12891856.

Interesting facts

Basic properties

Name

Name twelve million eight hundred ninety-one thousand eight hundred fifty-six

Notation

Scientific notation 1.2891856 × 10^7
Engineering notation 1.2891856 × 10^6

Prime Factorization of 12891856

Prime Factorization 2 × 2 × 2 × 2 × 805741

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 1611482
Product of the distinct prime numbers

The prime factorization of 12891856 is 2 × 2 × 2 × 2 × 805741. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12891856)

Multiplication

n×y
n×2 25783712
n×3 38675568
n×4 51567424
n×5 64459280

Division

n÷y
n÷2 6445928
n÷3 4297285.3333333
n÷3 3222964
n÷5 2578371.2

Exponentiation

ny
n2 166199951124736
n3 2.1426258371071E+21
n4 2.7622423753865E+28
n5 3.561043094058E+35

Nth Root

y√n
2√n 3590.5230816693
3√n 234.47964538284
4√n 59.920973637528
5√n 26.427926431418

Divisors of 12891856

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12891855
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12891856 can be divided by 10 positive divisors. The sum of these divisors (counting 12891856) is 1, the average is 0.1.

Base conversion 12891856

Base System Value
2 Binary 110001001011011011010000
3 Ternary 220020222022011
4 Quaternary 301023123100
5 Quinary 11300014411
6 Senary 1140152304
8 Octal 61133320
10 Decimal 12891856
12 Duodecimal 4398694
16 Hexadecimal c4b6d0
20 Vigesimal 40b9cg
36 Base36 7obf4

Cryptographic Hash Functions

md5 25685a346ccc42af7e4490cf72211e2e
sha1 eb721495ff68f638538e3c7b809a6c57c6598092
sha256 4fc9b81beb17c75a699d279fa440d25650efba2749370e4eb30538d42da55995
sha512 4241e0aae325afe955decd272291e047ddb064bf04f0f6691520b34570f70feb1b91b39a05defbebe5fd489aeeb2f6f8b0cf4fe1a1e4992c8f1116dbb1658916
ripemd-160 d6600679280d4f0c48d3afeb0c68ac128187c04d

12891856 as geometric shapes

Circle

Radius = n
Diameter 25783712
Circumference 81001920.201475
Area 5.2213254548045E+14

Sphere

Radius = n
Volume 8.9750101189966E+21
Surface area 2.0885301819218E+15
Circumference 81001920.201475

Square

Length = n
Perimeter 51567424
Area 166199951124736
Diagonal 18231837.599361

Cube

Length = n
Surface area 997199706748416
Volume 2.1426258371071E+21
Space diagonal 22329349.595862

Equilateral Triangle

Length = n
Perimeter 38675568
Area 71966689890877
Altitude 11164674.797931

Triangular Pyramid

Length = n
Surface area 71966689890877
Volume 2.5251087649399E+20
Height 6077279.199787