18443642 (number)

18443642 is an even 8-digits composite number following 18443641 and preceding 18443643. In scientific notation, it is written as 1.8443642 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 7488288 positive integers (up to 18443642) that are relatively prime to 18443642.

Interesting facts

Basic properties

Name

Name eighteen million four hundred forty-three thousand six hundred forty-two

Notation

Scientific notation 1.8443642 × 10^7
Engineering notation 1.8443642 × 10^6

Prime Factorization of 18443642

Prime Factorization 2 × 7 × 19 × 69337

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18443642
Product of the distinct prime numbers

The prime factorization of 18443642 is 2 × 7 × 19 × 69337. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18443642)

Multiplication

n×y
n×2 36887284
n×3 55330926
n×4 73774568
n×5 92218210

Division

n÷y
n÷2 9221821
n÷3 6147880.6666667
n÷3 4610910.5
n÷5 3688728.4

Exponentiation

ny
n2 340167930224164
n3 6.2739355249355E+21
n4 1.1571422075299E+29
n5 2.1341916618771E+36

Nth Root

y√n
2√n 4294.6061519073
3√n 264.20978313279
4√n 65.533244631311
5√n 28.390257836821

Divisors of 18443642

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18443641
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18443642 can be divided by 16 positive divisors. The sum of these divisors (counting 18443642) is 1, the average is 0.0625.

Base conversion 18443642

Base System Value
2 Binary 1000110010110110101111010
3 Ternary 1021201000220212
4 Quaternary 1012112311322
5 Quinary 14210144032
6 Senary 1455151122
8 Octal 106266572
10 Decimal 18443642
12 Duodecimal 62154a2
16 Hexadecimal 1196d7a
20 Vigesimal 5f5922
36 Base36 azb7e

Cryptographic Hash Functions

md5 6d7f0c145a6fa046b7e6cbfb9c2e5463
sha1 79704a387fb3be37f9fdd17cab9f411e569ecb2f
sha256 140f4b0823b67e04d1b32072d18669e24b5b9734aa8af03e328060cc4b06525e
sha512 5b67560b9dd5704e149e26bae92d9ca98fc524e5d93ccabc69425de39101eaa6e1b62b31f3a752830c9fb594054d74b986388ee11db14f48bdfb0aca74d16422
ripemd-160 c9dfac22ce24b4162b3f8df9a84fd4077c8eee6a

18443642 as geometric shapes

Circle

Radius = n
Diameter 36887284
Circumference 115884820.42528
Area 1.0686690705791E+15

Sphere

Radius = n
Volume 2.6280199672311E+22
Surface area 4.2746762823163E+15
Circumference 115884820.42528

Square

Length = n
Perimeter 73774568
Area 340167930224164
Diagonal 26083248.655954

Cube

Length = n
Surface area 2041007581344984
Volume 6.2739355249355E+21
Space diagonal 31945325.020611

Equilateral Triangle

Length = n
Perimeter 55330926
Area 1.4729703456345E+14
Altitude 15972662.510306

Triangular Pyramid

Length = n
Surface area 1.4729703456345E+14
Volume 7.3939039240151E+20
Height 8694416.2186513