18385979 (number)

18385979 is an odd 8-digits prime number following 18385978 and preceding 18385980. In scientific notation, it is written as 1.8385979 × 10^7. The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors. There are 18385978 positive integers (up to 18385979) that are relatively prime to 18385979.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8385979 × 10^7
Engineering notation 1.8385979 × 10^6

Prime Factorization of 18385979

Prime Factorization 18385979

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 18385979
Product of the distinct prime numbers

The prime factorization of 18385979 is 18385979. Since it has a total of 1 prime factors.

Most popular turbo-numbers

8, 8, 93, 12, 82, 908, 8542, 7830, 12571, 51830, 95053, 730894, 9032444, 6464600, 58364248, 77141613, 167376402, 446979821, 315939657, 6772696483

Basic calculations (n = 18385979)

Multiplication

n×y
n×2 36771958
n×3 55157937
n×4 73543916
n×5 91929895

Division

n÷y
n÷2 9192989.5
n÷3 6128659.6666667
n÷3 4596494.75
n÷5 3677195.8

Exponentiation

ny
n2 338044223788441
n3 6.2152739996456E+21
n4 1.1427389723673E+29
n5 2.1010374748427E+36

Nth Root

y√n
2√n 4287.8874752027
3√n 263.93415005167
4√n 65.481962976095
5√n 28.372483488719

Divisors of 18385979

1, 18385979

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 18385980
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 9192990
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4287.8875918102
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999998912215
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18385979 can be divided by 2 positive divisors. The sum of these divisors (counting 18385979) is 18385980, the average is 9192990.

Base conversion 18385979

Base System Value
2 Binary 1000110001000110000111011
3 Ternary 1021121002211012
4 Quaternary 1012020300323
5 Quinary 14201322404
6 Senary 1454024135
8 Octal 106106073
10 Decimal 18385979
12 Duodecimal 61a804b
16 Hexadecimal 1188c3b
20 Vigesimal 5ei4ij
36 Base36 ay2pn

Cryptographic Hash Functions

md5 e565c51d7ed9f51854ecdc8c6f7f96f5
sha1 cd4794e6527adbac44f92eed1a6108e327286948
sha256 1939ee71f272237caae5cd07e3be5178a5279b53366016d255972b272d07a2b7
sha512 fb0c4838665e6574c8ffc049a2ff024abf37c3e09aa703ce2168c268b371c18b4d8ab60096ee833542296e086311e43016a6840611aa6d3b4aa4a3da74369a0e
ripemd-160 208c5f595d0f5fb9860481023f53957097e6424e

18385979 as geometric shapes

Circle

Radius = n
Diameter 36771958
Circumference 115522513.11091
Area 1.0619972500422E+15

Sphere

Radius = n
Volume 2.6034478849779E+22
Surface area 4.2479890001689E+15
Circumference 115522513.11091

Square

Length = n
Perimeter 73543916
Area 338044223788441
Diagonal 26001700.859307

Cube

Length = n
Surface area 2028265342730646
Volume 6.2152739996456E+21
Space diagonal 31845449.774894

Equilateral Triangle

Length = n
Perimeter 55157937
Area 1.4637744270169E+14
Altitude 15922724.887447

Triangular Pyramid

Length = n
Surface area 1.4637744270169E+14
Volume 7.3247706534697E+20
Height 8667233.619769