12887656 (number)

12887656 is an even 8-digits composite number following 12887655 and preceding 12887657. In scientific notation, it is written as 1.2887656 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 8 positive divisors. There are 6443824 positive integers (up to 12887656) that are relatively prime to 12887656.

Interesting facts

Basic properties

Name

Name twelve million eight hundred eighty-seven thousand six hundred fifty-six

Notation

Scientific notation 1.2887656 × 10^7
Engineering notation 1.2887656 × 10^6

Prime Factorization of 12887656

Prime Factorization 2 × 2 × 2 × 1610957

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 3221914
Product of the distinct prime numbers

The prime factorization of 12887656 is 2 × 2 × 2 × 1610957. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12887656)

Multiplication

n×y
n×2 25775312
n×3 38662968
n×4 51550624
n×5 64438280

Division

n÷y
n÷2 6443828
n÷3 4295885.3333333
n÷3 3221914
n÷5 2577531.2

Exponentiation

ny
n2 166091677174336
n3 2.1405323998859E+21
n4 2.7586445226584E+28
n5 3.5552461634305E+35

Nth Root

y√n
2√n 3589.9381610273
3√n 234.45417913819
4√n 59.916092671563
5√n 26.426204231628

Divisors of 12887656

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 -12887655
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 12887656 can be divided by 8 positive divisors. The sum of these divisors (counting 12887656) is 1, the average is 0.125.

Base conversion 12887656

Base System Value
2 Binary 110001001010011001101000
3 Ternary 220020202112121
4 Quaternary 301022121220
5 Quinary 11244401111
6 Senary 1140121024
8 Octal 61123150
10 Decimal 12887656
12 Duodecimal 4396174
16 Hexadecimal c4a668
20 Vigesimal 40aj2g
36 Base36 7o86g

Cryptographic Hash Functions

md5 5b11b3f1fa8bf8853488f30ae530913f
sha1 1b1c09e2bc2260fea9c51cc0c48798e8c970b9dd
sha256 ef7c46b67ebf513053244146147c48c3a0be5735446a746fbcd6cbe9087386f6
sha512 9fc2b42916b58b022ad7431ddb5a3b4c962579311ba081049fde5d239e9b4c75091cf82e4a88ac72fc813777aa9bf7f506e6d1ec32b277797d86a4df4b8dfb98
ripemd-160 212301dee3873d926166525b3043a24385d5246e

12887656 as geometric shapes

Circle

Radius = n
Diameter 25775312
Circumference 80975530.823185
Area 5.217923928333E+14

Sphere

Radius = n
Volume 8.9662411496699E+21
Surface area 2.0871695713332E+15
Circumference 80975530.823185

Square

Length = n
Perimeter 51550624
Area 166091677174336
Diagonal 18225897.902399

Cube

Length = n
Surface area 996550063046016
Volume 2.1405323998859E+21
Space diagonal 22322074.98247

Equilateral Triangle

Length = n
Perimeter 38662968
Area 71919805895069
Altitude 11161037.491235

Triangular Pyramid

Length = n
Surface area 71919805895069
Volume 2.5226416255147E+20
Height 6075299.3007997