18385971 (number)

18385971 is an odd 8-digits composite number following 18385970 and preceding 18385972. In scientific notation, it is written as 1.8385971 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 11834592 positive integers (up to 18385971) that are relatively prime to 18385971.

Interesting facts

Basic properties

Name

Name eighteen million three hundred eighty-five thousand nine hundred seventy-one

Notation

Scientific notation 1.8385971 × 10^7
Engineering notation 1.8385971 × 10^6

Prime Factorization of 18385971

Prime Factorization 3 × 29 × 211333

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18385971
Product of the distinct prime numbers

The prime factorization of 18385971 is 3 × 29 × 211333. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18385971)

Multiplication

n×y
n×2 36771942
n×3 55157913
n×4 73543884
n×5 91929855

Division

n÷y
n÷2 9192985.5
n÷3 6128657
n÷3 4596492.75
n÷5 3677194.2

Exponentiation

ny
n2 338043929612841
n3 6.2152658865877E+21
n4 1.1427369834809E+29
n5 2.1010329038908E+36

Nth Root

y√n
2√n 4287.8865423423
3√n 263.93411177116
4√n 65.481955853061
5√n 28.372481019665

Divisors of 18385971

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 -18385970
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 18385971 can be divided by 8 positive divisors. The sum of these divisors (counting 18385971) is 1, the average is 0.125.

Base conversion 18385971

Base System Value
2 Binary 1000110001000110000110011
3 Ternary 1021121002210220
4 Quaternary 1012020300303
5 Quinary 14201322341
6 Senary 1454024123
8 Octal 106106063
10 Decimal 18385971
12 Duodecimal 61a8043
16 Hexadecimal 1188c33
20 Vigesimal 5ei4ib
36 Base36 ay2pf

Cryptographic Hash Functions

md5 a67b575672f42941aa0aba1732c6820c
sha1 6f5bb3498594f484fd9d1e8ac36b28e6899dfedd
sha256 07d69b0acdef9ed06780970b984e96a2c3be288a0784bf3c9a25726c22df4bf7
sha512 fa265cdd71deb7597752725272fed64bdd063513f38a53ecf9518dc6c93f2fe3bc020a9876e79f63a6ac6363e27b0fb752ef7090a8215b16f43802684b75ae40
ripemd-160 6639ce53a89539733e8c241e404e584385323edd

18385971 as geometric shapes

Circle

Radius = n
Diameter 36771942
Circumference 115522462.84543
Area 1.0619963258623E+15

Sphere

Radius = n
Volume 2.6034444865882E+22
Surface area 4.2479853034493E+15
Circumference 115522462.84543

Square

Length = n
Perimeter 73543884
Area 338043929612841
Diagonal 26001689.545598

Cube

Length = n
Surface area 2028263577677046
Volume 6.2152658865877E+21
Space diagonal 31845435.918488

Equilateral Triangle

Length = n
Perimeter 55157913
Area 1.4637731531992E+14
Altitude 15922717.959244

Triangular Pyramid

Length = n
Surface area 1.4637731531992E+14
Volume 7.3247610921393E+20
Height 8667229.8485328