18949939 (number)

18949939 is an odd 8-digits composite number following 18949938 and preceding 18949940. In scientific notation, it is written as 1.8949939 × 10^7. The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors. There are 18877624 positive integers (up to 18949939) that are relatively prime to 18949939.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred forty-nine thousand nine hundred thirty-nine

Notation

Scientific notation 1.8949939 × 10^7
Engineering notation 1.8949939 × 10^6

Prime Factorization of 18949939

Prime Factorization 263 × 72053

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18949939
Product of the distinct prime numbers

The prime factorization of 18949939 is 263 × 72053. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18949939)

Multiplication

n×y
n×2 37899878
n×3 56849817
n×4 75799756
n×5 94749695

Division

n÷y
n÷2 9474969.5
n÷3 6316646.3333333
n÷3 4737484.75
n÷5 3789987.8

Exponentiation

ny
n2 359100188103721
n3 6.804926659454E+21
n4 1.2895294509613E+29
n5 2.443650443442E+36

Nth Root

y√n
2√n 4353.1527655252
3√n 266.60560285839
4√n 65.978426515985
5√n 28.544442369789

Divisors of 18949939

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 -18949938
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 18949939 can be divided by 4 positive divisors. The sum of these divisors (counting 18949939) is 1, the average is 0.25.

Base conversion 18949939

Base System Value
2 Binary 1001000010010011100110011
3 Ternary 1022122202102121
4 Quaternary 1020102130303
5 Quinary 14322344224
6 Senary 1514055111
8 Octal 110223463
10 Decimal 18949939
12 Duodecimal 641a497
16 Hexadecimal 1212733
20 Vigesimal 5i8egj
36 Base36 ba5v7

Cryptographic Hash Functions

md5 ecc78a4c0caf483641ba5900720056a2
sha1 322400d3fdf6b8fa340fc8c98ea89484d74a3891
sha256 eeeb3e98d766d4d0fa50bbbb7d71c67a15b0ad4ca768e61b6201f98753327129
sha512 59375697d22d50dc76f29ebf699a68297d9bfe094c8edbaa7096896fcbe96b5266e2dd020d102e8ec1ba36c1ba4b1d8297d9f8a6798072fb023242572a622cf7
ripemd-160 b88787a5de62b8d0f7f26b94de420e71e82c48d8

18949939 as geometric shapes

Circle

Radius = n
Diameter 37899878
Circumference 119065978.29675
Area 1.1281465128494E+15

Sphere

Radius = n
Volume 2.8504410135411E+22
Surface area 4.5125860513975E+15
Circumference 119065978.29675

Square

Length = n
Perimeter 75799756
Area 359100188103721
Diagonal 26799260.739943

Cube

Length = n
Surface area 2154601128622326
Volume 6.804926659454E+21
Space diagonal 32822257.148331

Equilateral Triangle

Length = n
Perimeter 56849817
Area 1.554949427008E+14
Altitude 16411128.574165

Triangular Pyramid

Length = n
Surface area 1.554949427008E+14
Volume 8.0196829772951E+20
Height 8933086.9133143