18055621 (number)

18055621 is an odd 8-digits composite number following 18055620 and preceding 18055622. In scientific notation, it is written as 1.8055621 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors. There are 16813280 positive integers (up to 18055621) that are relatively prime to 18055621.

Interesting facts

Basic properties

Name

Name eighteen million fifty-five thousand six hundred twenty-one

Notation

Scientific notation 1.8055621 × 10^7
Engineering notation 1.8055621 × 10^6

Prime Factorization of 18055621

Prime Factorization 23 × 41 × 41 × 467

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 440381
Product of the distinct prime numbers

The prime factorization of 18055621 is 23 × 41 × 41 × 467. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18055621)

Multiplication

n×y
n×2 36111242
n×3 54166863
n×4 72222484
n×5 90278105

Division

n÷y
n÷2 9027810.5
n÷3 6018540.3333333
n÷3 4513905.25
n÷5 3611124.2

Exponentiation

ny
n2 326005449695641
n3 5.8862308436391E+21
n4 1.0627955323126E+29
n5 1.9189433331929E+36

Nth Root

y√n
2√n 4249.1906288139
3√n 262.3438030696
4√n 65.185816162827
5√n 28.269783726728

Divisors of 18055621

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18055620
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18055621 can be divided by 12 positive divisors. The sum of these divisors (counting 18055621) is 1, the average is 0.083333333333333.

Base conversion 18055621

Base System Value
2 Binary 1000100111000000111000101
3 Ternary 1020222022122201
4 Quaternary 1010320013011
5 Quinary 14110234441
6 Senary 1442554501
8 Octal 104700705
10 Decimal 18055621
12 Duodecimal 6068a31
16 Hexadecimal 11381c5
20 Vigesimal 5cgj11
36 Base36 aqzt1

Cryptographic Hash Functions

md5 d8f43fa68370eb4226a3aa004b2b974d
sha1 96480183aa699f81cc49afe6bfc78005cbb51ffe
sha256 0252707e33fb7331c6a63c8bc1e48daa366578a67054993f6fd25dfdf996e7b5
sha512 6a0b369108b33edfbd3569e69f9d5df683c45bb9bc859ab8177b47c83b5a4985025baf62db26141460781e89fa566c34c7d8d7cbcc1ee483402df10a3253a366
ripemd-160 bd0a4ceb92862503e3e8589a5177156cacf5052c

18055621 as geometric shapes

Circle

Radius = n
Diameter 36111242
Circumference 113446812.5792
Area 1.0241763257941E+15

Sphere

Radius = n
Volume 2.4656186100947E+22
Surface area 4.0967053031763E+15
Circumference 113446812.5792

Square

Length = n
Perimeter 72222484
Area 326005449695641
Diagonal 25534504.095268

Cube

Length = n
Surface area 1956032698173846
Volume 5.8862308436391E+21
Space diagonal 31273252.934208

Equilateral Triangle

Length = n
Perimeter 54166863
Area 1.411645006043E+14
Altitude 15636626.467104

Triangular Pyramid

Length = n
Surface area 1.411645006043E+14
Volume 6.9369895752777E+20
Height 8511501.3650895