18082821 (number)

18082821 is an odd 8-digits composite number following 18082820 and preceding 18082822. In scientific notation, it is written as 1.8082821 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 12055212 positive integers (up to 18082821) that are relatively prime to 18082821.

Interesting facts

Basic properties

Name

Name eighteen million eighty-two thousand eight hundred twenty-one

Notation

Scientific notation 1.8082821 × 10^7
Engineering notation 1.8082821 × 10^6

Prime Factorization of 18082821

Prime Factorization 3 × 6027607

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18082821
Product of the distinct prime numbers

The prime factorization of 18082821 is 3 × 6027607. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18082821)

Multiplication

n×y
n×2 36165642
n×3 54248463
n×4 72331284
n×5 90414105

Division

n÷y
n÷2 9041410.5
n÷3 6027607
n÷3 4520705.25
n÷5 3616564.2

Exponentiation

ny
n2 326988415318041
n3 5.9128729832698E+21
n4 1.069214237522E+29
n5 1.9334409667762E+36

Nth Root

y√n
2√n 4252.3900338516
3√n 262.47547344541
4√n 65.210352198493
5√n 28.278296036409

Divisors of 18082821

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 -18082820
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 18082821 can be divided by 4 positive divisors. The sum of these divisors (counting 18082821) is 1, the average is 0.25.

Base conversion 18082821

Base System Value
2 Binary 1000100111110110000000101
3 Ternary 1021000200222010
4 Quaternary 1010332300011
5 Quinary 14112122241
6 Senary 1443324433
8 Octal 104766005
10 Decimal 18082821
12 Duodecimal 6080719
16 Hexadecimal 113ec05
20 Vigesimal 5d0711
36 Base36 arksl

Cryptographic Hash Functions

md5 68833b467856f1a929213447b592f715
sha1 f4f6b0b3b7427f9f214b37d31b3558324b4c5364
sha256 33d67ff79c2e92d6e8152581a6d96c6d4e1e9fb472858c53bf7a705779f81231
sha512 9c33ec955dd4814e35f905a24be6586ecd7e81e424972ca87f863b5bae95a96c45b9d012dcad1038044aa8d66084e1235078c510c3594f35712690eb470198f0
ripemd-160 4f2582a94ee96b6be6dcfcd00e8149620b4b1942

18082821 as geometric shapes

Circle

Radius = n
Diameter 36165642
Circumference 113617715.21956
Area 1.0272644033721E+15

Sphere

Radius = n
Volume 2.4767784434467E+22
Surface area 4.1090576134885E+15
Circumference 113617715.21956

Square

Length = n
Perimeter 72331284
Area 326988415318041
Diagonal 25572970.704165

Cube

Length = n
Surface area 1961930491908246
Volume 5.9128729832698E+21
Space diagonal 31320364.716173

Equilateral Triangle

Length = n
Perimeter 54248463
Area 1.4159013720432E+14
Altitude 15660182.358087

Triangular Pyramid

Length = n
Surface area 1.4159013720432E+14
Volume 6.9683876379413E+20
Height 8524323.568055