18449986 (number)

18449986 is an even 8-digits composite number following 18449985 and preceding 18449987. In scientific notation, it is written as 1.8449986 × 10^7. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 9224992 positive integers (up to 18449986) that are relatively prime to 18449986.

Interesting facts

Basic properties

Name

Name eighteen million four hundred forty-nine thousand nine hundred eighty-six

Notation

Scientific notation 1.8449986 × 10^7
Engineering notation 1.8449986 × 10^6

Prime Factorization of 18449986

Prime Factorization 2 × 9224993

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18449986
Product of the distinct prime numbers

The prime factorization of 18449986 is 2 × 9224993. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18449986)

Multiplication

n×y
n×2 36899972
n×3 55349958
n×4 73799944
n×5 92249930

Division

n÷y
n÷2 9224993
n÷3 6149995.3333333
n÷3 4612496.5
n÷5 3689997.2

Exponentiation

ny
n2 340401983400196
n3 6.2804118281058E+21
n4 1.1587351030279E+29
n5 2.1378646428573E+36

Nth Root

y√n
2√n 4295.3446893119
3√n 264.24007278891
4√n 65.538879219223
5√n 28.392210629229

Divisors of 18449986

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18449985
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18449986 can be divided by 4 positive divisors. The sum of these divisors (counting 18449986) is 1, the average is 0.25.

Base conversion 18449986

Base System Value
2 Binary 1000110011000011001000010
3 Ternary 1021201100121211
4 Quaternary 1012120121002
5 Quinary 14210344421
6 Senary 1455240334
8 Octal 106303102
10 Decimal 18449986
12 Duodecimal 62190aa
16 Hexadecimal 1198642
20 Vigesimal 5f64j6
36 Base36 azg3m

Cryptographic Hash Functions

md5 c98d57b13900644449687a69446c9475
sha1 2ff35f6d48f518aa023aef6ff17a24fa4b3223bb
sha256 0da8d2234362707a85c1f46c522dd13577587afcb8ffd3175bae551f4dfa9c51
sha512 a2fe120b43d232604072d6fd0656c4b60b3dd08298710adb6df3991bfe260e38da5eb7d93730e2fb9522b816caa170a0a0a71974ae2699f901cc9d3abcdf2062
ripemd-160 d494634bfc836a807384eee7d2d25da3ee16aab6

18449986 as geometric shapes

Circle

Radius = n
Diameter 36899972
Circumference 115924680.95287
Area 1.0694043703175E+15

Sphere

Radius = n
Volume 2.6307327547594E+22
Surface area 4.2776174812698E+15
Circumference 115924680.95287

Square

Length = n
Perimeter 73799944
Area 340401983400196
Diagonal 26092220.426794

Cube

Length = n
Surface area 2042411900401176
Volume 6.2804118281058E+21
Space diagonal 31956313.150934

Equilateral Triangle

Length = n
Perimeter 55349958
Area 1.4739838256159E+14
Altitude 15978156.575467

Triangular Pyramid

Length = n
Surface area 1.4739838256159E+14
Volume 7.4015363204964E+20
Height 8697406.8089312