18442561 (number)

18442561 is an odd 8-digits composite number following 18442560 and preceding 18442562. In scientific notation, it is written as 1.8442561 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 18414000 positive integers (up to 18442561) that are relatively prime to 18442561.

Interesting facts

Basic properties

Name

Name eighteen million four hundred forty-two thousand five hundred sixty-one

Notation

Scientific notation 1.8442561 × 10^7
Engineering notation 1.8442561 × 10^6

Prime Factorization of 18442561

Prime Factorization 661 × 27901

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18442561
Product of the distinct prime numbers

The prime factorization of 18442561 is 661 × 27901. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18442561)

Multiplication

n×y
n×2 36885122
n×3 55327683
n×4 73770244
n×5 92212805

Division

n÷y
n÷2 9221280.5
n÷3 6147520.3333333
n÷3 4610640.25
n÷5 3688512.2

Exponentiation

ny
n2 340128056238721
n3 6.272832424994E+21
n4 1.1568709464073E+29
n5 2.1335662998244E+36

Nth Root

y√n
2√n 4294.4802945176
3√n 264.20462116685
4√n 65.532284368223
5√n 28.389925032831

Divisors of 18442561

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 -18442560
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 18442561 can be divided by 4 positive divisors. The sum of these divisors (counting 18442561) is 1, the average is 0.25.

Base conversion 18442561

Base System Value
2 Binary 1000110010110100101000001
3 Ternary 1021200222102211
4 Quaternary 1012112211001
5 Quinary 14210130221
6 Senary 1455142121
8 Octal 106264501
10 Decimal 18442561
12 Duodecimal 6214941
16 Hexadecimal 1196941
20 Vigesimal 5f5681
36 Base36 azadd

Cryptographic Hash Functions

md5 4e7d6145737f97e408cd836249d4fea4
sha1 40908998cdda23e874e47599a7b91b4b2a1aefbd
sha256 9130495198b6cc3c610942cd5af5e9c0ec20731133275736736e77c44c507f24
sha512 5bc2c624325467b985656e5e6a94617a48b3c11fde99941a9a43c480eabcdc3b8e49406a1c2baddd80e5132ebd561cc5dfad7269ebe79c46f706a459857b309e
ripemd-160 6797ea68fa018d3ff6bee3ffae74558d6ce78390

18442561 as geometric shapes

Circle

Radius = n
Diameter 36885122
Circumference 115878028.30196
Area 1.0685438027593E+15

Sphere

Radius = n
Volume 2.6275579018082E+22
Surface area 4.2741752110374E+15
Circumference 115878028.30196

Square

Length = n
Perimeter 73770244
Area 340128056238721
Diagonal 26081719.891093

Cube

Length = n
Surface area 2040768337432326
Volume 6.272832424994E+21
Space diagonal 31943452.673688

Equilateral Triangle

Length = n
Perimeter 55327683
Area 1.4727976862128E+14
Altitude 15971726.336844

Triangular Pyramid

Length = n
Surface area 1.4727976862128E+14
Volume 7.3926039082669E+20
Height 8693906.6303644