12986945 (number)

12986945 is an odd 8-digits composite number following 12986944 and preceding 12986946. In scientific notation, it is written as 1.2986945 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 10234224 positive integers (up to 12986945) that are relatively prime to 12986945.

Interesting facts

Basic properties

Name

Name twelve million nine hundred eighty-six thousand nine hundred forty-five

Notation

Scientific notation 1.2986945 × 10^7
Engineering notation 1.2986945 × 10^6

Prime Factorization of 12986945

Prime Factorization 5 × 67 × 38767

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12986945
Product of the distinct prime numbers

The prime factorization of 12986945 is 5 × 67 × 38767. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12986945)

Multiplication

n×y
n×2 25973890
n×3 38960835
n×4 51947780
n×5 64934725

Division

n÷y
n÷2 6493472.5
n÷3 4328981.6666667
n÷3 3246736.25
n÷5 2597389

Exponentiation

ny
n2 168660740433025
n3 2.190387759663E+21
n4 2.8446445363416E+28
n5 3.6943242138019E+35

Nth Root

y√n
2√n 3603.7404179547
3√n 235.05473298849
4√n 60.03116205734
5√n 26.466797847194

Divisors of 12986945

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 -12986944
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 12986945 can be divided by 8 positive divisors. The sum of these divisors (counting 12986945) is 1, the average is 0.125.

Base conversion 12986945

Base System Value
2 Binary 110001100010101001000001
3 Ternary 220102210201222
4 Quaternary 301202221001
5 Quinary 11311040240
6 Senary 1142204425
8 Octal 61425101
10 Decimal 12986945
12 Duodecimal 4423715
16 Hexadecimal c62a41
20 Vigesimal 413775
36 Base36 7qcsh

Cryptographic Hash Functions

md5 ea8bd0dbe2be685846cf1b4d85568f18
sha1 440fd36693a616e291384baeda8d4195a797118b
sha256 65d43f32985b9ac1f802754076409c0ecf17ea7f37473cb4f0b2c19453697e49
sha512 29557b85e93c67e7d498a5b33bc060124198ec8a1aac5a71432bc62b76b5828e820bdfad4a8eccbc485cecc46b72354e0cb0a5c4b4ab0f2fa88f5133067a4604
ripemd-160 c427d14e586297139fb65e876afdb8f207c8ee6b

12986945 as geometric shapes

Circle

Radius = n
Diameter 25973890
Circumference 81599382.009149
Area 5.2986334309341E+14

Sphere

Radius = n
Volume 9.1750747923603E+21
Surface area 2.1194533723736E+15
Circumference 81599382.009149

Square

Length = n
Perimeter 51947780
Area 168660740433025
Diagonal 18366313.752793

Cube

Length = n
Surface area 1011964442598150
Volume 2.190387759663E+21
Space diagonal 22494048.575103

Equilateral Triangle

Length = n
Perimeter 38960835
Area 73032242918046
Altitude 11247024.287551

Triangular Pyramid

Length = n
Surface area 73032242918046
Volume 2.5813967304762E+20
Height 6122104.5842645