18889438 (number)

18889438 is an even 8-digits composite number following 18889437 and preceding 18889439. In scientific notation, it is written as 1.8889438 × 10^7. The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors. There are 9164160 positive integers (up to 18889438) that are relatively prime to 18889438.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred eighty-nine thousand four hundred thirty-eight

Notation

Scientific notation 1.8889438 × 10^7
Engineering notation 1.8889438 × 10^6

Prime Factorization of 18889438

Prime Factorization 2 × 9143 × 1033

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18889438
Product of the distinct prime numbers

The prime factorization of 18889438 is 2 × 9143 × 1033. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 1, 23, 94, 541, 453, 9874, 8966, 34974, 37357, 961784, 242067, 3820689, 8086765, 99081941, 70031736, 138740822, 13617663, 2054141219, 6024299272

Basic calculations (n = 18889438)

Multiplication

n×y
n×2 37778876
n×3 56668314
n×4 75557752
n×5 94447190

Division

n÷y
n÷2 9444719
n÷3 6296479.3333333
n÷3 4722359.5
n÷5 3777887.6

Exponentiation

ny
n2 356810867955844
n3 6.7399567679781E+21
n4 1.273139954914E+29
n5 2.4048898243671E+36

Nth Root

y√n
2√n 4346.1981086922
3√n 266.32157200671
4√n 65.925701427381
5√n 28.526192421857

Divisors of 18889438

1, 2, 1033, 2066, 9143, 18286, 9444719, 18889438

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 -18889437
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 18889438 can be divided by 8 positive divisors. The sum of these divisors (counting 18889438) is 1, the average is 0.125.

Base conversion 18889438

Base System Value
2 Binary 1001000000011101011011110
3 Ternary 1022112200102211
4 Quaternary 1020003223132
5 Quinary 14313430223
6 Senary 1512511034
8 Octal 110035336
10 Decimal 18889438
12 Duodecimal 63ab47a
16 Hexadecimal 1203ade
20 Vigesimal 5i13bi
36 Base36 b8v6m

Cryptographic Hash Functions

md5 86709eee456a734eb8b98a05fa583570
sha1 42caa91248065475168e48d0320c3eee0278a890
sha256 15c59bbe07e44ee3a85b0dfb84b4910fa56f459774bf029a5e82886c2cd953ca
sha512 fcd0793ec5206bbc04bbad90602e3260275308d611ba8beb04940f9cff49867f040fd394f42644437d6d3509484fee77ddc77bea85851db168881494dc4656a2
ripemd-160 583fc78c394d021e029bbdadb13946400a9d9f50

18889438 as geometric shapes

Circle

Radius = n
Diameter 37778876
Circumference 118685839.30248
Area 1.1209544014911E+15

Sphere

Radius = n
Volume 2.823226489039E+22
Surface area 4.4838176059643E+15
Circumference 118685839.30248

Square

Length = n
Perimeter 75557752
Area 356810867955844
Diagonal 26713699.405206

Cube

Length = n
Surface area 2140865207735064
Volume 6.7399567679781E+21
Space diagonal 32717466.342422

Equilateral Triangle

Length = n
Perimeter 56668314
Area 1.5450363799807E+14
Altitude 16358733.171211

Triangular Pyramid

Length = n
Surface area 1.5450363799807E+14
Volume 7.9431152259025E+20
Height 8904566.4684019