18385904 (number)

18385904 is an even 8-digits composite number following 18385903 and preceding 18385905. In scientific notation, it is written as 1.8385904 × 10^7. The sum of its digits is 38. It has a total of 6 prime factors and 20 positive divisors. There are 9149952 positive integers (up to 18385904) that are relatively prime to 18385904.

Interesting facts

Basic properties

Name

Name eighteen million three hundred eighty-five thousand nine hundred four

Notation

Scientific notation 1.8385904 × 10^7
Engineering notation 1.8385904 × 10^6

Prime Factorization of 18385904

Prime Factorization 2 × 2 × 2 × 2 × 223 × 5153

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2298238
Product of the distinct prime numbers

The prime factorization of 18385904 is 2 × 2 × 2 × 2 × 223 × 5153. Since it has a total of 6 prime factors.

Most popular turbo-numbers

9, 10, 86, 35, 633, 828, 2606, 1183, 75755, 48691, 180302, 532640, 7915331, 7010772, 91723039, 17011130, 778573917, 15659735, 4674056673, 5996125405

Basic calculations (n = 18385904)

Multiplication

n×y
n×2 36771808
n×3 55157712
n×4 73543616
n×5 91929520

Division

n÷y
n÷2 9192952
n÷3 6128634.6666667
n÷3 4596476
n÷5 3677180.8

Exponentiation

ny
n2 338041465897216
n3 6.2151979400055E+21
n4 1.1427203266594E+29
n5 2.1009946224808E+36

Nth Root

y√n
2√n 4287.8787296284
3√n 263.93379117153
4√n 65.481896197563
5√n 28.372460341301

Divisors of 18385904

1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 5153, 10306, 20612, 41224, 82448, 1149119, 2298238, 4596476, 9192952, 18385904

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18385903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18385904 can be divided by 20 positive divisors. The sum of these divisors (counting 18385904) is 1, the average is 0.05.

Base conversion 18385904

Base System Value
2 Binary 1000110001000101111110000
3 Ternary 1021121002201102
4 Quaternary 1012020233300
5 Quinary 14201322104
6 Senary 1454023532
8 Octal 106105760
10 Decimal 18385904
12 Duodecimal 61a7ba8
16 Hexadecimal 1188bf0
20 Vigesimal 5ei4f4
36 Base36 ay2nk

Cryptographic Hash Functions

md5 13b92523cce779ea5a74ca1182331efd
sha1 00e0918cd09c82c208e566a3f05e5cd4e535a82b
sha256 dddfa953ee929b20bbb8ce3808149634832c7014dafa5fc7dc3fa58534d2f65f
sha512 2850c3418b6263b14af10ba84c41db176e64b4eaa160c5f839486c6707d7eab8b8f5e5773e645ec25926e108b2c5e7492e744faafc15efcd3914484859e83d3f
ripemd-160 e63d807cbb250900fff685835b277fd88e529165

18385904 as geometric shapes

Circle

Radius = n
Diameter 36771808
Circumference 115522041.87201
Area 1.0619885858714E+15

Sphere

Radius = n
Volume 2.6034160251904E+22
Surface area 4.2479543434857E+15
Circumference 115522041.87201

Square

Length = n
Perimeter 73543616
Area 338041465897216
Diagonal 26001594.79329

Cube

Length = n
Surface area 2028248795383296
Volume 6.2151979400055E+21
Space diagonal 31845319.871084

Equilateral Triangle

Length = n
Perimeter 55157712
Area 1.4637624849976E+14
Altitude 15922659.935542

Triangular Pyramid

Length = n
Surface area 1.4637624849976E+14
Volume 7.3246810163242E+20
Height 8667198.2644299