18378638 (number)

18378638 is an even 8-digits composite number following 18378637 and preceding 18378639. In scientific notation, it is written as 1.8378638 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 9164944 positive integers (up to 18378638) that are relatively prime to 18378638.

Interesting facts

Basic properties

Name

Name eighteen million three hundred seventy-eight thousand six hundred thirty-eight

Notation

Scientific notation 1.8378638 × 10^7
Engineering notation 1.8378638 × 10^6

Prime Factorization of 18378638

Prime Factorization 2 × 383 × 23993

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18378638
Product of the distinct prime numbers

The prime factorization of 18378638 is 2 × 383 × 23993. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18378638)

Multiplication

n×y
n×2 36757276
n×3 55135914
n×4 73514552
n×5 91893190

Division

n÷y
n÷2 9189319
n÷3 6126212.6666667
n÷3 4594659.5
n÷5 3675727.6

Exponentiation

ny
n2 337774334735044
n3 6.2078322237862E+21
n4 1.140915012057E+29
n5 2.0968463995362E+36

Nth Root

y√n
2√n 4287.0313738064
3√n 263.89901823517
4√n 65.475425724514
5√n 28.37021746118

Divisors of 18378638

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 -18378637
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 18378638 can be divided by 8 positive divisors. The sum of these divisors (counting 18378638) is 1, the average is 0.125.

Base conversion 18378638

Base System Value
2 Binary 1000110000110111110001110
3 Ternary 1021120201202022
4 Quaternary 1012012332032
5 Quinary 14201104023
6 Senary 1453530142
8 Octal 106067616
10 Decimal 18378638
12 Duodecimal 61a3952
16 Hexadecimal 1186f8e
20 Vigesimal 5eh6bi
36 Base36 axx1q

Cryptographic Hash Functions

md5 e23e1d39f01956f7ee7a3e37efd2a724
sha1 c8e64200afcaa59766ac9002d6f613770925f1f9
sha256 5f67afb8e3a80d92a0de02eceab07e4e75a18f56869395fb94952e934f22c4ec
sha512 c4252cefe685f1ea7a91f2daeccfc31584c1bce7c6881d5a14189afd5c75703ef5598ef579579258c07e61ad96bda6b2efdc66957a1784fe337c1bc86b48563c
ripemd-160 5b6d6c55ee382f3125e2f5aba2f14d0f363c22ce

18378638 as geometric shapes

Circle

Radius = n
Diameter 36757276
Circumference 115476388.24757
Area 1.0611493685748E+15

Sphere

Radius = n
Volume 2.6003306811953E+22
Surface area 4.2445974742992E+15
Circumference 115476388.24757

Square

Length = n
Perimeter 73514552
Area 337774334735044
Diagonal 25991319.117546

Cube

Length = n
Surface area 2026646008410264
Volume 6.2078322237862E+21
Space diagonal 31832734.789916

Equilateral Triangle

Length = n
Perimeter 55135914
Area 1.4626057731347E+14
Altitude 15916367.394958

Triangular Pyramid

Length = n
Surface area 1.4626057731347E+14
Volume 7.3160004365126E+20
Height 8663773.0391818