12987528 (number)

12987528 is an even 8-digits composite number following 12987527 and preceding 12987529. In scientific notation, it is written as 1.2987528 × 10^7. The sum of its digits is 42. It has a total of 6 prime factors and 32 positive divisors. There are 4294080 positive integers (up to 12987528) that are relatively prime to 12987528.

Interesting facts

Basic properties

Name

Name twelve million nine hundred eighty-seven thousand five hundred twenty-eight

Notation

Scientific notation 1.2987528 × 10^7
Engineering notation 1.2987528 × 10^6

Prime Factorization of 12987528

Prime Factorization 2 × 2 × 2 × 3 × 127 × 4261

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 3246882
Product of the distinct prime numbers

The prime factorization of 12987528 is 2 × 2 × 2 × 3 × 127 × 4261. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12987528)

Multiplication

n×y
n×2 25975056
n×3 38962584
n×4 51950112
n×5 64937640

Division

n÷y
n÷2 6493764
n÷3 4329176
n÷3 3246882
n÷5 2597505.6

Exponentiation

ny
n2 168675883550784
n3 2.1906827605405E+21
n4 2.8451553691638E+28
n5 3.6951535021365E+35

Nth Root

y√n
2√n 3603.8213052259
3√n 235.05825023494
4√n 60.03183576425
5√n 26.467035468376

Divisors of 12987528

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12987527
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12987528 can be divided by 32 positive divisors. The sum of these divisors (counting 12987528) is 1, the average is 0.03125.

Base conversion 12987528

Base System Value
2 Binary 110001100010110010001000
3 Ternary 220102211112120
4 Quaternary 301202302020
5 Quinary 11311100103
6 Senary 1142211240
8 Octal 61426210
10 Decimal 12987528
12 Duodecimal 4423b20
16 Hexadecimal c62c88
20 Vigesimal 4138g8
36 Base36 7qd8o

Cryptographic Hash Functions

md5 efb29a605e8329eee07830355cad78e9
sha1 7f359deb0b94319783d5cf54e38e2c0a1275d567
sha256 abca10085285779019ac01f1ac3d1dd8fe7c8b4f5ce99836d74c0a5bb6afcc28
sha512 b40035c5952d0827f77cf3f7bd5e7c6195b1d4c9f3c13dd3976673a500d1bc982595ebb03a83ed727712236bc56fcf47ab04618912bc25b1ace63a81385adbb6
ripemd-160 15a29b03b687e5b5489456c1b23fd7587c3de65f

12987528 as geometric shapes

Circle

Radius = n
Diameter 25975056
Circumference 81603045.106183
Area 5.2991091660091E+14

Sphere

Radius = n
Volume 9.1763104891467E+21
Surface area 2.1196436664036E+15
Circumference 81603045.106183

Square

Length = n
Perimeter 51950112
Area 168675883550784
Diagonal 18367138.2393

Cube

Length = n
Surface area 1012055301304704
Volume 2.1906827605405E+21
Space diagonal 22495058.360723

Equilateral Triangle

Length = n
Perimeter 38962584
Area 73038800080382
Altitude 11247529.180362

Triangular Pyramid

Length = n
Surface area 73038800080382
Volume 2.5817443923445E+20
Height 6122379.4131001