18993909 (number)

18993909 is an odd 8-digits composite number following 18993908 and preceding 18993910. In scientific notation, it is written as 1.8993909 × 10^7. The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors. There are 11511440 positive integers (up to 18993909) that are relatively prime to 18993909.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred ninety-three thousand nine hundred nine

Notation

Scientific notation 1.8993909 × 10^7
Engineering notation 1.8993909 × 10^6

Prime Factorization of 18993909

Prime Factorization 33 × 575573

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18993909
Product of the distinct prime numbers

The prime factorization of 18993909 is 33 × 575573. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18993909)

Multiplication

n×y
n×2 37987818
n×3 56981727
n×4 75975636
n×5 94969545

Division

n÷y
n÷2 9496954.5
n÷3 6331303
n÷3 4748477.25
n÷5 3798781.8

Exponentiation

ny
n2 360768579100281
n3 6.85240556149E+21
n4 1.3015396766604E+29
n5 2.4721326178376E+36

Nth Root

y√n
2√n 4358.2002019182
3√n 266.81164737822
4√n 66.016666092118
5√n 28.557676563898

Divisors of 18993909

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 -18993908
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 18993909 can be divided by 4 positive divisors. The sum of these divisors (counting 18993909) is 1, the average is 0.25.

Base conversion 18993909

Base System Value
2 Binary 1001000011101001011110101
3 Ternary 1022201222202010
4 Quaternary 1020131023311
5 Quinary 14330301114
6 Senary 1515034433
8 Octal 110351365
10 Decimal 18993909
12 Duodecimal 643ba19
16 Hexadecimal 121d2f5
20 Vigesimal 5ie4f9
36 Base36 bb3sl

Cryptographic Hash Functions

md5 b2787f9957ec9b3b4e96ed4093a54606
sha1 97054a997db0fc2d6da16b7af0cf534afac39183
sha256 6a217121fcfa260718b3f287c4b96f28eb5eb5d2e4376a94075f985ad692fd2c
sha512 5880621cb3d3e5c3c6aaef0b16d60ebc6611aedfdadbab878a3934000adbb7b15a5387afcf1ce2cd2eec7fffbbc8d10cd73cf61771216fa4e14e37726e1f9871
ripemd-160 36c520b6b35a52de131fa358ff82c1841fa14db4

18993909 as geometric shapes

Circle

Radius = n
Diameter 37987818
Circumference 119342249.95471
Area 1.1333879177475E+15

Sphere

Radius = n
Volume 2.8703289295193E+22
Surface area 4.5335516709899E+15
Circumference 119342249.95471

Square

Length = n
Perimeter 75975636
Area 360768579100281
Diagonal 26861443.71028

Cube

Length = n
Surface area 2164611474601686
Volume 6.85240556149E+21
Space diagonal 32898415.42234

Equilateral Triangle

Length = n
Perimeter 56981727
Area 1.5621737719403E+14
Altitude 16449207.71117

Triangular Pyramid

Length = n
Surface area 1.5621737719403E+14
Volume 8.07563739995E+20
Height 8953814.5700935