18420439 (number)

18420439 is an odd 8-digits composite number following 18420438 and preceding 18420440. In scientific notation, it is written as 1.8420439 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 17751360 positive integers (up to 18420439) that are relatively prime to 18420439.

Interesting facts

Basic properties

Name

Name eighteen million four hundred twenty thousand four hundred thirty-nine

Notation

Scientific notation 1.8420439 × 10^7
Engineering notation 1.8420439 × 10^6

Prime Factorization of 18420439

Prime Factorization 41 × 83 × 5413

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18420439
Product of the distinct prime numbers

The prime factorization of 18420439 is 41 × 83 × 5413. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 8, 94, 43, 891, 413, 4449, 7035, 20048, 16586, 276354, 280712, 7381034, 8374033, 63055598, 57435520, 561469628, 462390381, 2348314739, 8520164334

Basic calculations (n = 18420439)

Multiplication

n×y
n×2 36840878
n×3 55261317
n×4 73681756
n×5 92102195

Division

n÷y
n÷2 9210219.5
n÷3 6140146.3333333
n÷3 4605109.75
n÷5 3684087.8

Exponentiation

ny
n2 339312572952721
n3 6.2502865520086E+21
n4 1.151330221638E+29
n5 2.1208008116538E+36

Nth Root

y√n
2√n 4291.9038898838
3√n 264.0989403791
4√n 65.512623897107
5√n 28.383110974033

Divisors of 18420439

1, 41, 83, 3403, 5413, 221933, 449279, 18420439

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 -18420438
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 18420439 can be divided by 8 positive divisors. The sum of these divisors (counting 18420439) is 1, the average is 0.125.

Base conversion 18420439

Base System Value
2 Binary 1000110010001001011010111
3 Ternary 1021122212002111
4 Quaternary 1012101023113
5 Quinary 14203423224
6 Senary 1454451451
8 Octal 106211327
10 Decimal 18420439
12 Duodecimal 6203b87
16 Hexadecimal 11912d7
20 Vigesimal 5f2b1j
36 Base36 aytav

Cryptographic Hash Functions

md5 721c4c015d1634a76b918ec80c28ef8c
sha1 614d8acec0fca8558d58c7b3ce3f4177f2438905
sha256 f63602a9e7bb45d7841d456a778b1e553f691ec5fd976d575b88717c6aaa3870
sha512 66a307d07a829bd22c2b6822b8ac6a241f3ee9c69aa0ecb9549f6b4e1d3cc5280e13f77310b27f1fea41b8d822ed116cf349023f53e027b31a1ef1975fe199e4
ripemd-160 32dfd2065a73b19385340c1cbd2fdf0a0631a1bd

18420439 as geometric shapes

Circle

Radius = n
Diameter 36840878
Circumference 115739031.6766
Area 1.0659818864589E+15

Sphere

Radius = n
Volume 2.6181139086162E+22
Surface area 4.2639275458357E+15
Circumference 115739031.6766

Square

Length = n
Perimeter 73681756
Area 339312572952721
Diagonal 26050434.658666

Cube

Length = n
Surface area 2035875437716326
Volume 6.2502865520086E+21
Space diagonal 31905136.245723

Equilateral Triangle

Length = n
Perimeter 55261317
Area 1.4692665400026E+14
Altitude 15952568.122862

Triangular Pyramid

Length = n
Surface area 1.4692665400026E+14
Volume 7.3660333421407E+20
Height 8683478.2195554