18085821 (number)

18085821 is an odd 8-digits composite number following 18085820 and preceding 18085822. In scientific notation, it is written as 1.8085821 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 10745280 positive integers (up to 18085821) that are relatively prime to 18085821.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8085821 × 10^7
Engineering notation 1.8085821 × 10^6

Prime Factorization of 18085821

Prime Factorization 3 × 29 × 13 × 15991

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18085821
Product of the distinct prime numbers

The prime factorization of 18085821 is 3 × 29 × 13 × 15991. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18085821)

Multiplication

n×y
n×2 36171642
n×3 54257463
n×4 72343284
n×5 90429105

Division

n÷y
n÷2 9042910.5
n÷3 6028607
n÷3 4521455.25
n÷5 3617164.2

Exponentiation

ny
n2 327096921244041
n3 5.9158163672708E+21
n4 1.0699239588733E+29
n5 1.9350453203794E+36

Nth Root

y√n
2√n 4252.7427620302
3√n 262.48998782674
4√n 65.21305668369
5√n 28.279234266776

Divisors of 18085821

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 -18085820
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 18085821 can be divided by 16 positive divisors. The sum of these divisors (counting 18085821) is 1, the average is 0.0625.

Base conversion 18085821

Base System Value
2 Binary 1000100111111011110111101
3 Ternary 1021000212002020
4 Quaternary 1010333132331
5 Quinary 14112221241
6 Senary 1443350353
8 Octal 104773675
10 Decimal 18085821
12 Duodecimal 60823b9
16 Hexadecimal 113f7bd
20 Vigesimal 5d0eb1
36 Base36 arn3x

Cryptographic Hash Functions

md5 7bfb527daf7f2e7f0fbb9009749fdce1
sha1 8845616a66920ade7787c6f0c2d7518e7d14706a
sha256 35ec961b3fa8f8db06c97926177aa546b623a3646af2779284c88560a3a969d4
sha512 7009b0dab0e5e07460960d7bb7a52960b2e822371d9dc4412f1c3aeabece4eddfed4298d56a8494d0ffdee84b93d9d24c78b440d6858e515e0a2bb6d23c85023
ripemd-160 6eb218660f2b0e1d193b0c93485a729b68a6f557

18085821 as geometric shapes

Circle

Radius = n
Diameter 36171642
Circumference 113636564.77548
Area 1.0276052847921E+15

Sphere

Radius = n
Volume 2.4780113652539E+22
Surface area 4.1104211391685E+15
Circumference 113636564.77548

Square

Length = n
Perimeter 72343284
Area 327096921244041
Diagonal 25577213.344852

Cube

Length = n
Surface area 1962581527464246
Volume 5.9158163672708E+21
Space diagonal 31325560.868596

Equilateral Triangle

Length = n
Perimeter 54257463
Area 1.4163712164851E+14
Altitude 15662780.434298

Triangular Pyramid

Length = n
Surface area 1.4163712164851E+14
Volume 6.9718564492526E+20
Height 8525737.7816174