18389979 (number)

18389979 is an odd 8-digits composite number following 18389978 and preceding 18389980. In scientific notation, it is written as 1.8389979 × 10^7. The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors. There are 12138000 positive integers (up to 18389979) that are relatively prime to 18389979.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8389979 × 10^7
Engineering notation 1.8389979 × 10^6

Prime Factorization of 18389979

Prime Factorization 9 × 101 × 20231

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18389979
Product of the distinct prime numbers

The prime factorization of 18389979 is 9 × 101 × 20231. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18389979)

Multiplication

n×y
n×2 36779958
n×3 55169937
n×4 73559916
n×5 91949895

Division

n÷y
n÷2 9194989.5
n÷3 6129993
n÷3 4597494.75
n÷5 3677995.8

Exponentiation

ny
n2 338191327620441
n3 6.219331412922E+21
n4 1.1437337407768E+29
n5 2.1033239474476E+36

Nth Root

y√n
2√n 4288.3538799871
3√n 263.95328891193
4√n 65.485524201819
5√n 28.373717908263

Divisors of 18389979

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 -18389978
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 18389979 can be divided by 8 positive divisors. The sum of these divisors (counting 18389979) is 1, the average is 0.125.

Base conversion 18389979

Base System Value
2 Binary 1000110001001101111011011
3 Ternary 1021121022022100
4 Quaternary 1012021233123
5 Quinary 14201434404
6 Senary 1454054443
8 Octal 106115733
10 Decimal 18389979
12 Duodecimal 61aa423
16 Hexadecimal 1189bdb
20 Vigesimal 5eieij
36 Base36 ay5sr

Cryptographic Hash Functions

md5 cbe1058e5d3532c197583e58b6668611
sha1 7e22e89d89433b8053755e406dd943f8c7a91abf
sha256 439c7a42de4914bfcd6015c4153139ccd49c077bbd727ec711c8b4e4ccc7fd96
sha512 50e046b3e1ef220b91e5d8013f3fca73e4fc8e3eb1b34050fed6505875f8a0c47ca11c8f75dcedced998c58ba503b95f993691dcf0569b8d0322ba88a1d52c51
ripemd-160 744c15d1f40b117961026b46534d84388e7e05ac

18389979 as geometric shapes

Circle

Radius = n
Diameter 36779958
Circumference 115547645.85214
Area 1.0624593903602E+15

Sphere

Radius = n
Volume 2.6051474502768E+22
Surface area 4.2498375614406E+15
Circumference 115547645.85214

Square

Length = n
Perimeter 73559916
Area 338191327620441
Diagonal 26007357.713556

Cube

Length = n
Surface area 2029147965722646
Volume 6.219331412922E+21
Space diagonal 31852377.978125

Equilateral Triangle

Length = n
Perimeter 55169937
Area 1.4644114052944E+14
Altitude 15926188.989062

Triangular Pyramid

Length = n
Surface area 1.4644114052944E+14
Volume 7.3295523608728E+20
Height 8669119.2378521