18385215 (number)

18385215 is an odd 8-digits composite number following 18385214 and preceding 18385216. In scientific notation, it is written as 1.8385215 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 9785216 positive integers (up to 18385215) that are relatively prime to 18385215.

Interesting facts

Basic properties

Name

Name eighteen million three hundred eighty-five thousand two hundred fifteen

Notation

Scientific notation 1.8385215 × 10^7
Engineering notation 1.8385215 × 10^6

Prime Factorization of 18385215

Prime Factorization 15 × 1877 × 653

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18385215
Product of the distinct prime numbers

The prime factorization of 18385215 is 15 × 1877 × 653. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18385215)

Multiplication

n×y
n×2 36770430
n×3 55155645
n×4 73540860
n×5 91926075

Division

n÷y
n÷2 9192607.5
n÷3 6128405
n÷3 4596303.75
n÷5 3677043

Exponentiation

ny
n2 338016130596225
n3 6.2144992344797E+21
n4 1.1425490454324E+29
n5 2.100600984832E+36

Nth Root

y√n
2√n 4287.7983861185
3√n 263.93049421364
4√n 65.481282715891
5√n 28.37224769015

Divisors of 18385215

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 -18385214
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 18385215 can be divided by 8 positive divisors. The sum of these divisors (counting 18385215) is 1, the average is 0.125.

Base conversion 18385215

Base System Value
2 Binary 1000110001000100100111111
3 Ternary 1021121001202220
4 Quaternary 1012020210333
5 Quinary 14201311330
6 Senary 1454020423
8 Octal 106104477
10 Decimal 18385215
12 Duodecimal 61a7713
16 Hexadecimal 118893f
20 Vigesimal 5ei30f
36 Base36 ay24f

Cryptographic Hash Functions

md5 fe74b4e26ba1e38ba5ee983a9767849b
sha1 a0e141e3f283ee12eb97c1fc04f482e8572f5601
sha256 22525d1e4360230bd07174ee482ec51b97eae82d89c3f4c6f9b2ee26461b4e2e
sha512 b581047edfe204b4dc316778fecc9d972b75cef076731e02c95e19591a8265380cbe0a4a38daaa4097641f18d354fbd6c7b355ec7c5e20ced966e1dce9d7e532
ripemd-160 43b74ae13cad30d578ccf6b6d2758e811fbead21

18385215 as geometric shapes

Circle

Radius = n
Diameter 36770430
Circumference 115517712.75734
Area 1.0619089926759E+15

Sphere

Radius = n
Volume 2.6031233521041E+22
Surface area 4.2476359707038E+15
Circumference 115517712.75734

Square

Length = n
Perimeter 73540860
Area 338016130596225
Diagonal 26000620.400145

Cube

Length = n
Surface area 2028096783577350
Volume 6.2144992344797E+21
Space diagonal 31844126.488077

Equilateral Triangle

Length = n
Perimeter 55155645
Area 1.4636527799262E+14
Altitude 15922063.244039

Triangular Pyramid

Length = n
Surface area 1.4636527799262E+14
Volume 7.3238575839653E+20
Height 8666873.4667151