18378421 (number)

18378421 is an odd 8-digits composite number following 18378420 and preceding 18378422. In scientific notation, it is written as 1.8378421 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 18039840 positive integers (up to 18378421) that are relatively prime to 18378421.

Interesting facts

Basic properties

Name

Name eighteen million three hundred seventy-eight thousand four hundred twenty-one

Notation

Scientific notation 1.8378421 × 10^7
Engineering notation 1.8378421 × 10^6

Prime Factorization of 18378421

Prime Factorization 313 × 71 × 827

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18378421
Product of the distinct prime numbers

The prime factorization of 18378421 is 313 × 71 × 827. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18378421)

Multiplication

n×y
n×2 36756842
n×3 55135263
n×4 73513684
n×5 91892105

Division

n÷y
n÷2 9189210.5
n÷3 6126140.3333333
n÷3 4594605.25
n÷5 3675684.2

Exponentiation

ny
n2 337766358453241
n3 6.2076123352906E+21
n4 1.1408611290276E+29
n5 2.0967226131805E+36

Nth Root

y√n
2√n 4287.0060648429
3√n 263.89797959614
4√n 65.475232453523
5√n 28.370150466376

Divisors of 18378421

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 -18378420
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 18378421 can be divided by 8 positive divisors. The sum of these divisors (counting 18378421) is 1, the average is 0.125.

Base conversion 18378421

Base System Value
2 Binary 1000110000110111010110101
3 Ternary 1021120201110021
4 Quaternary 1012012322311
5 Quinary 14201102141
6 Senary 1453525141
8 Octal 106067265
10 Decimal 18378421
12 Duodecimal 61a37b1
16 Hexadecimal 1186eb5
20 Vigesimal 5eh611
36 Base36 axwvp

Cryptographic Hash Functions

md5 e604c5207820ada41c4ca1aaf683973c
sha1 7355bfbbedb4a55cc90257a5b8461eaf45ba6932
sha256 3de35bf14bc76fc09c4eebed8890ae63ccb1d0fc99d89f8129f4422da07466a6
sha512 561a4469809f04ca739c236d81236daa911ded26ec5058f4bd34428247c5d3f6cb8089ab2bfac643cb0556ef1342ef672624756801d53209a43c5b1dc14d0701
ripemd-160 46afcb764f62d2bc9da919e8fb9c182d4ad9abce

18378421 as geometric shapes

Circle

Radius = n
Diameter 36756842
Circumference 115475024.79636
Area 1.0611243103465E+15

Sphere

Radius = n
Volume 2.6002385745176E+22
Surface area 4.2444972413859E+15
Circumference 115475024.79636

Square

Length = n
Perimeter 73513684
Area 337766358453241
Diagonal 25991012.233203

Cube

Length = n
Surface area 2026598150719446
Volume 6.2076123352906E+21
Space diagonal 31832358.934891

Equilateral Triangle

Length = n
Perimeter 55135263
Area 1.4625712348213E+14
Altitude 15916179.467445

Triangular Pyramid

Length = n
Surface area 1.4625712348213E+14
Volume 7.3157412954354E+20
Height 8663670.7444008