18993893 (number)

18993893 is an odd 8-digits composite number following 18993892 and preceding 18993894. In scientific notation, it is written as 1.8993893 × 10^7. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 18983328 positive integers (up to 18993893) that are relatively prime to 18993893.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred ninety-three thousand eight hundred ninety-three

Notation

Scientific notation 1.8993893 × 10^7
Engineering notation 1.8993893 × 10^6

Prime Factorization of 18993893

Prime Factorization 8269 × 2297

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18993893
Product of the distinct prime numbers

The prime factorization of 18993893 is 8269 × 2297. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18993893)

Multiplication

n×y
n×2 37987786
n×3 56981679
n×4 75975572
n×5 94969465

Division

n÷y
n÷2 9496946.5
n÷3 6331297.6666667
n÷3 4748473.25
n÷5 3798778.6

Exponentiation

ny
n2 360767971295449
n3 6.8523882446128E+21
n4 1.3015352911263E+29
n5 2.4721222055378E+36

Nth Root

y√n
2√n 4358.1983662977
3√n 266.81157245968
4√n 66.016652189411
5√n 28.55767175264

Divisors of 18993893

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18993892
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18993893 can be divided by 4 positive divisors. The sum of these divisors (counting 18993893) is 1, the average is 0.25.

Base conversion 18993893

Base System Value
2 Binary 1001000011101001011100101
3 Ternary 1022201222201112
4 Quaternary 1020131023211
5 Quinary 14330301033
6 Senary 1515034405
8 Octal 110351345
10 Decimal 18993893
12 Duodecimal 643ba05
16 Hexadecimal 121d2e5
20 Vigesimal 5ie4ed
36 Base36 bb3s5

Cryptographic Hash Functions

md5 1f620a59247ccde9e3e39575e5b5dfdb
sha1 3159310124a678043041dfcf2e5b29c97f6cad4b
sha256 517acadd7834c8f2675bb517ef5549dd149fddad74ac2989e8e1232722a3a3c0
sha512 0a54cc0bb8d44a6cbd01c7ff37dda5c5e4adc4e9aec2c36cae4affaba40c205b7a62834055d75c1d3bf772cbbcf5fa827ac049d32eab5dbfd7bc0a1a30960900
ripemd-160 2c14451cc6cac9da368c78967202647af2f77e5a

18993893 as geometric shapes

Circle

Radius = n
Diameter 37987786
Circumference 119342149.42374
Area 1.1333860082723E+15

Sphere

Radius = n
Volume 2.8703216758428E+22
Surface area 4.5335440330891E+15
Circumference 119342149.42374

Square

Length = n
Perimeter 75975572
Area 360767971295449
Diagonal 26861421.082863

Cube

Length = n
Surface area 2164607827772694
Volume 6.8523882446128E+21
Space diagonal 32898387.709527

Equilateral Triangle

Length = n
Perimeter 56981679
Area 1.5621711400682E+14
Altitude 16449193.854763

Triangular Pyramid

Length = n
Surface area 1.5621711400682E+14
Volume 8.0756169918145E+20
Height 8953807.0276211