12389945 (number)

12389945 is an odd 8-digits composite number following 12389944 and preceding 12389946. In scientific notation, it is written as 1.2389945 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 9879424 positive integers (up to 12389945) that are relatively prime to 12389945.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2389945 × 10^7
Engineering notation 1.2389945 × 10^6

Prime Factorization of 12389945

Prime Factorization 5 × 317 × 7817

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12389945
Product of the distinct prime numbers

The prime factorization of 12389945 is 5 × 317 × 7817. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12389945)

Multiplication

n×y
n×2 24779890
n×3 37169835
n×4 49559780
n×5 61949725

Division

n÷y
n÷2 6194972.5
n÷3 4129981.6666667
n÷3 3097486.25
n÷5 2477989

Exponentiation

ny
n2 153510737103025
n3 1.9019895896159E+21
n4 2.3565546405914E+28
n5 2.9197582386422E+35

Nth Root

y√n
2√n 3519.9353687248
3√n 231.39632618801
4√n 59.329043214305
5√n 26.218864294043

Divisors of 12389945

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 -12389944
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 12389945 can be divided by 8 positive divisors. The sum of these divisors (counting 12389945) is 1, the average is 0.125.

Base conversion 12389945

Base System Value
2 Binary 101111010000111000111001
3 Ternary 212022110210212
4 Quaternary 233100320321
5 Quinary 11132434240
6 Senary 1121320505
8 Octal 57207071
10 Decimal 12389945
12 Duodecimal 4196135
16 Hexadecimal bd0e39
20 Vigesimal 3h8eh5
36 Base36 7dk55

Cryptographic Hash Functions

md5 00a30900ae85e5cfc9961b90b6f4b793
sha1 54e2b47f4588ddd057ca9838ec8e05abb24c1531
sha256 8acd614c59a2afd5f2f0b7b5996f89071be88129e95de655766853f48cbc136c
sha512 25949a77b53186d5a2d198a401bd2b560d469930d95e7b085884e424e8c6f9aa8b8fc004e7b4f3333bd8414a74a87069dd0eafaa8e46229a9ce7466d1481a05f
ripemd-160 638d0552cb3e5a78697b001acc1be9b7727bf065

12389945 as geometric shapes

Circle

Radius = n
Diameter 24779890
Circumference 77848320.380763
Area 4.8226820393002E+14

Sphere

Radius = n
Volume 7.9670353625889E+21
Surface area 1.9290728157201E+15
Circumference 77848320.380763

Square

Length = n
Perimeter 49559780
Area 153510737103025
Diagonal 17522028.256057

Cube

Length = n
Surface area 921064422618150
Volume 1.9019895896159E+21
Space diagonal 21460014.242984

Equilateral Triangle

Length = n
Perimeter 37169835
Area 66472099042447
Altitude 10730007.121492

Triangular Pyramid

Length = n
Surface area 66472099042447
Volume 2.2415162276061E+20
Height 5840676.0853522