12987557 (number)

12987557 is an odd 8-digits composite number following 12987556 and preceding 12987558. In scientific notation, it is written as 1.2987557 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 11555200 positive integers (up to 12987557) that are relatively prime to 12987557.

Interesting facts

Basic properties

Name

Name twelve million nine hundred eighty-seven thousand five hundred fifty-seven

Notation

Scientific notation 1.2987557 × 10^7
Engineering notation 1.2987557 × 10^6

Prime Factorization of 12987557

Prime Factorization 517 × 25121

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12987557
Product of the distinct prime numbers

The prime factorization of 12987557 is 517 × 25121. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12987557)

Multiplication

n×y
n×2 25975114
n×3 38962671
n×4 51950228
n×5 64937785

Division

n÷y
n÷2 6493778.5
n÷3 4329185.6666667
n÷3 3246889.25
n÷5 2597511.4

Exponentiation

ny
n2 168676636828249
n3 2.1906974353752E+21
n4 2.8451807811689E+28
n5 3.6951947570736E+35

Nth Root

y√n
2√n 3603.8253287306
3√n 235.05842518956
4√n 60.031869275665
5√n 26.467047288075

Divisors of 12987557

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 -12987556
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 12987557 can be divided by 4 positive divisors. The sum of these divisors (counting 12987557) is 1, the average is 0.25.

Base conversion 12987557

Base System Value
2 Binary 110001100010110010100101
3 Ternary 220102211120122
4 Quaternary 301202302211
5 Quinary 11311100212
6 Senary 1142211325
8 Octal 61426245
10 Decimal 12987557
12 Duodecimal 4423b45
16 Hexadecimal c62ca5
20 Vigesimal 4138hh
36 Base36 7qd9h

Cryptographic Hash Functions

md5 33a974c72f2d839dfca4dbc43d3f3900
sha1 a25897671ce4092d4400e389cd78b104f45f9c4a
sha256 2b388c6a7183f1adbc2fb4e75c8b153944d2bd47d9676c465edb461eff4fa52e
sha512 0c1c37e2f53fa6fd909f2316d6b8938ba4afd10a1967c31d06eba00c7d9c277b1af65c92f37b2eb5829c3fe6fb6f0b25e07dd7c474e6d906b1ca3310a9e0fbdf
ripemd-160 aa3f6ec6906b42a31c02319b92159f40e19e71b8

12987557 as geometric shapes

Circle

Radius = n
Diameter 25975114
Circumference 81603227.318557
Area 5.2991328309186E+14

Sphere

Radius = n
Volume 9.1763719589502E+21
Surface area 2.1196531323674E+15
Circumference 81603227.318557

Square

Length = n
Perimeter 51950228
Area 168676636828249
Diagonal 18367179.251494

Cube

Length = n
Surface area 1012059820969494
Volume 2.1906974353752E+21
Space diagonal 22495108.590197

Equilateral Triangle

Length = n
Perimeter 38962671
Area 73039126259093
Altitude 11247554.295098

Triangular Pyramid

Length = n
Surface area 73039126259093
Volume 2.581761686803E+20
Height 6122393.0838312