12890655 (number)

12890655 is an odd 8-digits composite number following 12890654 and preceding 12890656. In scientific notation, it is written as 1.2890655 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 6874992 positive integers (up to 12890655) that are relatively prime to 12890655.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2890655 × 10^7
Engineering notation 1.2890655 × 10^6

Prime Factorization of 12890655

Prime Factorization 9 × 5 × 286459

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12890655
Product of the distinct prime numbers

The prime factorization of 12890655 is 9 × 5 × 286459. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12890655)

Multiplication

n×y
n×2 25781310
n×3 38671965
n×4 51562620
n×5 64453275

Division

n÷y
n÷2 6445327.5
n÷3 4296885
n÷3 3222663.75
n÷5 2578131

Exponentiation

ny
n2 166168986329025
n3 2.1420270744672E+21
n4 2.7612132017616E+28
n5 3.5593846765354E+35

Nth Root

y√n
2√n 3590.3558319476
3√n 234.47236381429
4√n 59.91957803546
5√n 26.427434010118

Divisors of 12890655

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 -12890654
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 12890655 can be divided by 8 positive divisors. The sum of these divisors (counting 12890655) is 1, the average is 0.125.

Base conversion 12890655

Base System Value
2 Binary 110001001011001000011111
3 Ternary 220020220122200
4 Quaternary 301023020133
5 Quinary 11300000110
6 Senary 1140142543
8 Octal 61131037
10 Decimal 12890655
12 Duodecimal 4397a53
16 Hexadecimal c4b21f
20 Vigesimal 40b6cf
36 Base36 7oahr

Cryptographic Hash Functions

md5 10c2be7ff30f43980822edb9d65da5cb
sha1 2f0e0fa3e092d286985693a32be097ccaf5c3b24
sha256 763fdef902987786d8a826c84f8609b3d6c3a1eb465573b28d661f74f34ec0b5
sha512 5f04374bce3fd2d0a4dd9f9a4a331d062e85ee6dcd348ca47880cedde40e8987874c1966d94a15991117708e54137a8fc65a786df5240b738cac4cb26c03f738
ripemd-160 78bd7fef749d42e872dd17f81ef49165b731e075

12890655 as geometric shapes

Circle

Radius = n
Diameter 25781310
Circumference 80994374.095921
Area 5.2203526670573E+14

Sphere

Radius = n
Volume 8.9725020279154E+21
Surface area 2.0881410668229E+15
Circumference 80994374.095921

Square

Length = n
Perimeter 51562620
Area 166168986329025
Diagonal 18230139.128873

Cube

Length = n
Surface area 997013917974150
Volume 2.1420270744672E+21
Space diagonal 22327269.402842

Equilateral Triangle

Length = n
Perimeter 38671965
Area 71953281741022
Altitude 11163634.701421

Triangular Pyramid

Length = n
Surface area 71953281741022
Volume 2.5244031164015E+20
Height 6076713.0429575