18996421 (number)

18996421 is an odd 8-digits composite number following 18996420 and preceding 18996422. In scientific notation, it is written as 1.8996421 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 18276720 positive integers (up to 18996421) that are relatively prime to 18996421.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred ninety-six thousand four hundred twenty-one

Notation

Scientific notation 1.8996421 × 10^7
Engineering notation 1.8996421 × 10^6

Prime Factorization of 18996421

Prime Factorization 29 × 331 × 1979

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18996421
Product of the distinct prime numbers

The prime factorization of 18996421 is 29 × 331 × 1979. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18996421)

Multiplication

n×y
n×2 37992842
n×3 56989263
n×4 75985684
n×5 94982105

Division

n÷y
n÷2 9498210.5
n÷3 6332140.3333333
n÷3 4749105.25
n÷5 3799284.2

Exponentiation

ny
n2 360864010809241
n3 6.8551246730809E+21
n4 1.3022283429733E+29
n5 2.4737677841254E+36

Nth Root

y√n
2√n 4358.4883847499
3√n 266.82340906655
4√n 66.018848708152
5√n 28.558431891186

Divisors of 18996421

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18996420
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18996421 can be divided by 8 positive divisors. The sum of these divisors (counting 18996421) is 1, the average is 0.125.

Base conversion 18996421

Base System Value
2 Binary 1001000011101110011000101
3 Ternary 1022202010012011
4 Quaternary 1020131303011
5 Quinary 14330341141
6 Senary 1515054221
8 Octal 110356305
10 Decimal 18996421
12 Duodecimal 6441371
16 Hexadecimal 121dcc5
20 Vigesimal 5ieb11
36 Base36 bb5qd

Cryptographic Hash Functions

md5 2b5de83c8affe8e89ef1494170eb8d2b
sha1 4767e9747cb98a1aaf6e618001af6ed11b6f779e
sha256 340c06cf9c5487e6ebbaf50584335ce0373288b9190afa7ee6989f9d5281ec9b
sha512 a9e2d002d5bec9dbb28474c61dcbeadbbf65fb1b38f57931934e8ed9a39c8dad5ab10c273ce8db3dddc91f6166d8cdfc6a305647c283a972b2edb341c435c519
ripemd-160 3550dff1bbb2a448e2e03cf80b0180f3853592ef

18996421 as geometric shapes

Circle

Radius = n
Diameter 37992842
Circumference 119358033.3162
Area 1.1336877253033E+15

Sphere

Radius = n
Volume 2.8714679083191E+22
Surface area 4.534750901213E+15
Circumference 119358033.3162

Square

Length = n
Perimeter 75985684
Area 360864010809241
Diagonal 26864996.214749

Cube

Length = n
Surface area 2165184064855446
Volume 6.8551246730809E+21
Space diagonal 32902766.333968

Equilateral Triangle

Length = n
Perimeter 56989263
Area 1.5625870033617E+14
Altitude 16451383.166984

Triangular Pyramid

Length = n
Surface area 1.5625870033617E+14
Volume 8.0788419036912E+20
Height 8954998.7382497