12987687 (number)

12987687 is an odd 8-digits composite number following 12987686 and preceding 12987688. In scientific notation, it is written as 1.2987687 × 10^7. The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors. There are 8658456 positive integers (up to 12987687) that are relatively prime to 12987687.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2987687 × 10^7
Engineering notation 1.2987687 × 10^6

Prime Factorization of 12987687

Prime Factorization 3 × 4329229

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12987687
Product of the distinct prime numbers

The prime factorization of 12987687 is 3 × 4329229. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12987687)

Multiplication

n×y
n×2 25975374
n×3 38963061
n×4 51950748
n×5 64938435

Division

n÷y
n÷2 6493843.5
n÷3 4329229
n÷3 3246921.75
n÷5 2597537.4

Exponentiation

ny
n2 168680013609969
n3 2.190763219922E+21
n4 2.8452946991459E+28
n5 3.6953796975267E+35

Nth Root

y√n
2√n 3603.8433650757
3√n 235.05920946571
4√n 60.032019498562
5√n 26.467100272672

Divisors of 12987687

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 -12987686
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 12987687 can be divided by 4 positive divisors. The sum of these divisors (counting 12987687) is 1, the average is 0.25.

Base conversion 12987687

Base System Value
2 Binary 110001100010110100100111
3 Ternary 220102211202110
4 Quaternary 301202310213
5 Quinary 11311101222
6 Senary 1142212103
8 Octal 61426447
10 Decimal 12987687
12 Duodecimal 4424033
16 Hexadecimal c62d27
20 Vigesimal 413947
36 Base36 7qdd3

Cryptographic Hash Functions

md5 6eea46aedddee77d32d332101126ae27
sha1 295ed96b2c2055d7ee397bfa003c8667533f0aba
sha256 f5d474ef65d8e1b4ec4e47235856cd9ef5cc3180bfc549a5d2a84f5c5db8c8d1
sha512 f6fab91b0c756dbcf370ba39416472236f35175a8633d8720b19d91ccee6b196f09780da5baa81326821f912a5ab3c218938bd334fe3f3754174f3ab2f88a10b
ripemd-160 062023b718af078ca665c954bbeea7c7703c7535

12987687 as geometric shapes

Circle

Radius = n
Diameter 25975374
Circumference 81604044.132647
Area 5.299238915645E+14

Sphere

Radius = n
Volume 9.1766475166156E+21
Surface area 2.119695566258E+15
Circumference 81604044.132647

Square

Length = n
Perimeter 51950748
Area 168680013609969
Diagonal 18367363.099257

Cube

Length = n
Surface area 1012080081659814
Volume 2.190763219922E+21
Space diagonal 22495333.756802

Equilateral Triangle

Length = n
Perimeter 38963061
Area 73040588448469
Altitude 11247666.878401

Triangular Pyramid

Length = n
Surface area 73040588448469
Volume 2.5818392146349E+20
Height 6122454.3664189