18442081 (number)

18442081 is an odd 8-digits composite number following 18442080 and preceding 18442082. In scientific notation, it is written as 1.8442081 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 10 positive divisors. There are 15805440 positive integers (up to 18442081) that are relatively prime to 18442081.

Interesting facts

Basic properties

Name

Name eighteen million four hundred forty-two thousand eighty-one

Notation

Scientific notation 1.8442081 × 10^7
Engineering notation 1.8442081 × 10^6

Prime Factorization of 18442081

Prime Factorization 7 × 7 × 49 × 7681

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 2634583
Product of the distinct prime numbers

The prime factorization of 18442081 is 7 × 7 × 49 × 7681. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18442081)

Multiplication

n×y
n×2 36884162
n×3 55326243
n×4 73768324
n×5 92210405

Division

n÷y
n÷2 9221040.5
n÷3 6147360.3333333
n÷3 4610520.25
n÷5 3688416.2

Exponentiation

ny
n2 340110351610561
n3 6.2723426533404E+21
n4 1.1567505127266E+29
n5 2.1332886652495E+36

Nth Root

y√n
2√n 4294.4244084627
3√n 264.20232901739
4√n 65.531857965898
5√n 28.389777251773

Divisors of 18442081

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18442080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18442081 can be divided by 10 positive divisors. The sum of these divisors (counting 18442081) is 1, the average is 0.1.

Base conversion 18442081

Base System Value
2 Binary 1000110010110011101100001
3 Ternary 1021200221210001
4 Quaternary 1012112131201
5 Quinary 14210121311
6 Senary 1455140001
8 Octal 106263541
10 Decimal 18442081
12 Duodecimal 6214601
16 Hexadecimal 1196761
20 Vigesimal 5f5541
36 Base36 aza01

Cryptographic Hash Functions

md5 d8f1255ee447fc1dd07efe3b430c4845
sha1 f90ee1661cc5ef9aad66b574cc7bbfa672b5ff92
sha256 f5d6ccc02abec2004e8d6d69892a4d9f1f1ef56f3ff5e5b14c7d7985a5917ad1
sha512 c18f1e7d473f379bb481f1e607e0f087a8360ce6c38cc77bb185da40c6f0134dab079afeb391ce45269f002492cf915a5609b08185ba89a91280a8852de05ba2
ripemd-160 6775be2ff3f9aeb61f9abacd6e07dcc1af2b22d1

18442081 as geometric shapes

Circle

Radius = n
Diameter 36884162
Circumference 115875012.37302
Area 1.0684881820296E+15

Sphere

Radius = n
Volume 2.6273527467376E+22
Surface area 4.2739527281183E+15
Circumference 115875012.37302

Square

Length = n
Perimeter 73768324
Area 340110351610561
Diagonal 26081041.068583

Cube

Length = n
Surface area 2040662109663366
Volume 6.2723426533404E+21
Space diagonal 31942621.289301

Equilateral Triangle

Length = n
Perimeter 55326243
Area 1.472721022924E+14
Altitude 15971310.64465

Triangular Pyramid

Length = n
Surface area 1.472721022924E+14
Volume 7.3920267068378E+20
Height 8693680.3561944