12918087 (number)

12918087 is an odd 8-digits composite number following 12918086 and preceding 12918088. In scientific notation, it is written as 1.2918087 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 6813504 positive integers (up to 12918087) that are relatively prime to 12918087.

Interesting facts

Basic properties

Name

Name twelve million nine hundred eighteen thousand eighty-seven

Notation

Scientific notation 1.2918087 × 10^7
Engineering notation 1.2918087 × 10^6

Prime Factorization of 12918087

Prime Factorization 21 × 39 × 15773

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12918087
Product of the distinct prime numbers

The prime factorization of 12918087 is 21 × 39 × 15773. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12918087)

Multiplication

n×y
n×2 25836174
n×3 38754261
n×4 51672348
n×5 64590435

Division

n÷y
n÷2 6459043.5
n÷3 4306029
n÷3 3229521.75
n÷5 2583617.4

Exponentiation

ny
n2 166876971739569
n3 2.1557312392283E+21
n4 2.7847923696969E+28
n5 3.5974190108681E+35

Nth Root

y√n
2√n 3594.174035853
3√n 234.63856919568
4√n 59.951430640586
5√n 26.438672245217

Divisors of 12918087

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 -12918086
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 12918087 can be divided by 8 positive divisors. The sum of these divisors (counting 12918087) is 1, the average is 0.125.

Base conversion 12918087

Base System Value
2 Binary 110001010001110101000111
3 Ternary 220022022021200
4 Quaternary 301101311013
5 Quinary 11301334322
6 Senary 1140513543
8 Octal 61216507
10 Decimal 12918087
12 Duodecimal 43ab8b3
16 Hexadecimal c51d47
20 Vigesimal 40ef47
36 Base36 7ovnr

Cryptographic Hash Functions

md5 3c743a7abe1484c312b719f63ab7c20f
sha1 87e678aa37a1947b3b33ad2c20769429e5f92f06
sha256 77fc8b3e739cd06828035f4e93a022f260a66a8d222fca26216f65674466f9ca
sha512 762497fae39997c73afa4c9df3b831b0c19ff5bf96e2fb4baa6589f6f0655b8df667df57a45075e0aba7c84032a4b895430957064a3d12426f03f0098960a203
ripemd-160 115fa0a1c21864ca082afbee21d408b20275b214

12918087 as geometric shapes

Circle

Radius = n
Diameter 25836174
Circumference 81166734.435268
Area 5.2425946847034E+14

Sphere

Radius = n
Volume 9.0299058990315E+21
Surface area 2.0970378738814E+15
Circumference 81166734.435268

Square

Length = n
Perimeter 51672348
Area 166876971739569
Diagonal 18268933.835316

Cube

Length = n
Surface area 1001261830437414
Volume 2.1557312392283E+21
Space diagonal 22374783.020595

Equilateral Triangle

Length = n
Perimeter 38754261
Area 72259848416542
Altitude 11187391.510298

Triangular Pyramid

Length = n
Surface area 72259848416542
Volume 2.5405536294567E+20
Height 6089644.6117719