12786987 (number)

12786987 is an odd 8-digits composite number following 12786986 and preceding 12786988. In scientific notation, it is written as 1.2786987 × 10^7. The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors. There are 8524656 positive integers (up to 12786987) that are relatively prime to 12786987.

Interesting facts

Basic properties

Name

Name twelve million seven hundred eighty-six thousand nine hundred eighty-seven

Notation

Scientific notation 1.2786987 × 10^7
Engineering notation 1.2786987 × 10^6

Prime Factorization of 12786987

Prime Factorization 3 × 4262329

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12786987
Product of the distinct prime numbers

The prime factorization of 12786987 is 3 × 4262329. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12786987)

Multiplication

n×y
n×2 25573974
n×3 38360961
n×4 51147948
n×5 63934935

Division

n÷y
n÷2 6393493.5
n÷3 4262329
n÷3 3196746.75
n÷5 2557397.4

Exponentiation

ny
n2 163507036538169
n3 2.0907623506221E+21
n4 2.6734550997494E+28
n5 3.4185435605579E+35

Nth Root

y√n
2√n 3575.8896795063
3√n 233.84212083913
4√n 59.798743126477
5√n 26.384790170676

Divisors of 12786987

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12786986
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12786987 can be divided by 4 positive divisors. The sum of these divisors (counting 12786987) is 1, the average is 0.25.

Base conversion 12786987

Base System Value
2 Binary 110000110001110100101011
3 Ternary 220001122110010
4 Quaternary 300301310223
5 Quinary 11233140422
6 Senary 1134023003
8 Octal 60616453
10 Decimal 12786987
12 Duodecimal 4347a63
16 Hexadecimal c31d2b
20 Vigesimal 3ji797
36 Base36 7m2i3

Cryptographic Hash Functions

md5 4ad513fff4a3ad4f5c45f15861e584d2
sha1 216cbcb84a9ca306458ca49d90977b58c2996c18
sha256 b2aa318a5465ec40129ebcf38b199de04c712bbb05c77312ef3a756f790bc491
sha512 8d382a8eeae51e49c6b9ebfe3a6fa8bb532c5d31807476c4e790a599ec3cbf38a734d15c2d831a5aa4106b4ecfab87be2ac9e31c308d96709181860226423a65
ripemd-160 77e76f2890bc2848edddf8c688751a5d30909f97

12786987 as geometric shapes

Circle

Radius = n
Diameter 25573974
Circumference 80343008.841496
Area 5.1367250479855E+14

Sphere

Radius = n
Volume 8.757764854822E+21
Surface area 2.0546900191942E+15
Circumference 80343008.841496

Square

Length = n
Perimeter 51147948
Area 163507036538169
Diagonal 18083530.437288

Cube

Length = n
Surface area 981042219229014
Volume 2.0907623506221E+21
Space diagonal 22147711.159723

Equilateral Triangle

Length = n
Perimeter 38360961
Area 70800623669782
Altitude 11073855.579861

Triangular Pyramid

Length = n
Surface area 70800623669782
Volume 2.4639870599573E+20
Height 6027843.4790962