12388905 (number)

12388905 is an odd 8-digits composite number following 12388904 and preceding 12388906. In scientific notation, it is written as 1.2388905 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 6607392 positive integers (up to 12388905) that are relatively prime to 12388905.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2388905 × 10^7
Engineering notation 1.2388905 × 10^6

Prime Factorization of 12388905

Prime Factorization 15 × 3 × 275309

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12388905
Product of the distinct prime numbers

The prime factorization of 12388905 is 15 × 3 × 275309. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12388905)

Multiplication

n×y
n×2 24777810
n×3 37166715
n×4 49555620
n×5 61944525

Division

n÷y
n÷2 6194452.5
n÷3 4129635
n÷3 3097226.25
n÷5 2477781

Exponentiation

ny
n2 153484967099025
n3 1.9015106763179E+21
n4 2.3557635125389E+28
n5 2.918533035931E+35

Nth Root

y√n
2√n 3519.7876356394
3√n 231.38985161224
4√n 59.327798169487
5√n 26.218424122042

Divisors of 12388905

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 -12388904
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 12388905 can be divided by 8 positive divisors. The sum of these divisors (counting 12388905) is 1, the average is 0.125.

Base conversion 12388905

Base System Value
2 Binary 101111010000101000101001
3 Ternary 212022102101100
4 Quaternary 233100220221
5 Quinary 11132421110
6 Senary 1121312013
8 Octal 57205051
10 Decimal 12388905
12 Duodecimal 4195609
16 Hexadecimal bd0a29
20 Vigesimal 3h8c55
36 Base36 7djc9

Cryptographic Hash Functions

md5 63f9e06c31318f0401ea6094e86b0c44
sha1 4520e68202844eacb0fbead4af83d749ac786a02
sha256 7e5346671c9761c9f4a3b108c6ad568c53c532ca3dc27f6ebb8c3e1278958eff
sha512 c874d17af6c6e4a24532e86521415ff425c8006078a5c440ec89911106ea8769275afcffcf841c936143e0b5013ae14e8889b699d8cf2e353d68f1c9d8d7dbe5
ripemd-160 c23973dbac70a43bd304a565a41ef2a49d3e7fc2

12388905 as geometric shapes

Circle

Radius = n
Diameter 24777810
Circumference 77841785.868044
Area 4.8218724507477E+14

Sphere

Radius = n
Volume 7.9650292952574E+21
Surface area 1.9287489802991E+15
Circumference 77841785.868044

Square

Length = n
Perimeter 49555620
Area 153484967099025
Diagonal 17520557.473952

Cube

Length = n
Surface area 920909802594150
Volume 1.9015106763179E+21
Space diagonal 21458212.910144

Equilateral Triangle

Length = n
Perimeter 37166715
Area 66460940303387
Altitude 10729106.455072

Triangular Pyramid

Length = n
Surface area 66460940303387
Volume 2.2409518228717E+20
Height 5840185.8246506