18990803 (number)

18990803 is an odd 8-digits composite number following 18990802 and preceding 18990804. In scientific notation, it is written as 1.8990803 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 17400384 positive integers (up to 18990803) that are relatively prime to 18990803.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred ninety thousand eight hundred three

Notation

Scientific notation 1.8990803 × 10^7
Engineering notation 1.8990803 × 10^6

Prime Factorization of 18990803

Prime Factorization 13 × 137 × 10663

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18990803
Product of the distinct prime numbers

The prime factorization of 18990803 is 13 × 137 × 10663. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18990803)

Multiplication

n×y
n×2 37981606
n×3 56972409
n×4 75963212
n×5 94954015

Division

n÷y
n÷2 9495401.5
n÷3 6330267.6666667
n÷3 4747700.75
n÷5 3798160.6

Exponentiation

ny
n2 360650598584809
n3 6.8490444695562E+21
n4 1.3006885425958E+29
n5 2.4701119876794E+36

Nth Root

y√n
2√n 4357.8438475925
3√n 266.79710302871
4√n 66.013967064497
5√n 28.556742517664

Divisors of 18990803

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 -18990802
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 18990803 can be divided by 8 positive divisors. The sum of these divisors (counting 18990803) is 1, the average is 0.125.

Base conversion 18990803

Base System Value
2 Binary 1001000011100011011010011
3 Ternary 1022201211111002
4 Quaternary 1020130123103
5 Quinary 14330201203
6 Senary 1515012215
8 Octal 110343323
10 Decimal 18990803
12 Duodecimal 643a06b
16 Hexadecimal 121c6d3
20 Vigesimal 5idh03
36 Base36 bb1eb

Cryptographic Hash Functions

md5 94a4d48817412914ca24a3d7c8e46c04
sha1 c963174460434cd6dddb498b27c44818be46b145
sha256 7575b45b1a01411979143184b12b03fa4e4b617b1c49336edbad34e5e1be474d
sha512 48e9af3a8476f3995969d78e1a61c442235e7ae66101b28ddb879f92dcfa5fcfdcb267dfefe2e2bfee3280374879ed36fdd7c4c980a74ad8c3d5e7b40a37c888
ripemd-160 7ba911195958de7dcd2929c1fd8b7bf6473e4cc0

18990803 as geometric shapes

Circle

Radius = n
Diameter 37981606
Circumference 119322734.38114
Area 1.1330172710268E+15

Sphere

Radius = n
Volume 2.8689210386223E+22
Surface area 4.5320690841072E+15
Circumference 119322734.38114

Square

Length = n
Perimeter 75963212
Area 360650598584809
Diagonal 26857051.162956

Cube

Length = n
Surface area 2163903591508854
Volume 6.8490444695562E+21
Space diagonal 32893035.672531

Equilateral Triangle

Length = n
Perimeter 56972409
Area 1.5616629013225E+14
Altitude 16446517.836266

Triangular Pyramid

Length = n
Surface area 1.5616629013225E+14
Volume 8.071676315119E+20
Height 8952350.3876519