18993900 (number)

18993900 is an even 8-digits composite number following 18993899 and preceding 18993901. In scientific notation, it is written as 1.8993900 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors. There are 5064960 positive integers (up to 18993900) that are relatively prime to 18993900.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred ninety-three thousand nine hundred

Notation

Scientific notation 1.8993900 × 10^7
Engineering notation 1.8993900 × 10^6

Prime Factorization of 18993900

Prime Factorization 2 × 2 × 75 × 63313

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9496950
Product of the distinct prime numbers

The prime factorization of 18993900 is 2 × 2 × 75 × 63313. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18993900)

Multiplication

n×y
n×2 37987800
n×3 56981700
n×4 75975600
n×5 94969500

Division

n÷y
n÷2 9496950
n÷3 6331300
n÷3 4748475
n÷5 3798780

Exponentiation

ny
n2 360768237210000
n3 6.852395820743E+21
n4 1.3015372097961E+29
n5 2.4721267609146E+36

Nth Root

y√n
2√n 4358.1991693818
3√n 266.81160523655
4√n 66.016658271847
5√n 28.557673857566

Divisors of 18993900

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18993899
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18993900 can be divided by 12 positive divisors. The sum of these divisors (counting 18993900) is 1, the average is 0.083333333333333.

Base conversion 18993900

Base System Value
2 Binary 1001000011101001011101100
3 Ternary 1022201222201210
4 Quaternary 1020131023230
5 Quinary 14330301100
6 Senary 1515034420
8 Octal 110351354
10 Decimal 18993900
12 Duodecimal 643ba10
16 Hexadecimal 121d2ec
20 Vigesimal 5ie4f0
36 Base36 bb3sc

Cryptographic Hash Functions

md5 2becb8f7c187a63bdc51977a94c0f8c5
sha1 398ea2c1f5052f6334df8555162378cebd1aa366
sha256 fcb2fa5b041a6ed566c23c3dc8235c97853414f8baa1706626fec6c8659d187a
sha512 26c7dc6b08bd22633ea1ee38a4902d03d4ca1b1d16733d1b7105d41a9486f2e9123c89fe02805a7a951de137602384e4ab776b7c9683c590b8f015c614459b38
ripemd-160 3470890d694452f8d2a23d25b90370973f4a4434

18993900 as geometric shapes

Circle

Radius = n
Diameter 37987800
Circumference 119342193.40604
Area 1.1333868436675E+15

Sphere

Radius = n
Volume 2.8703248493248E+22
Surface area 4.5335473746699E+15
Circumference 119342193.40604

Square

Length = n
Perimeter 75975600
Area 360768237210000
Diagonal 26861430.982358

Cube

Length = n
Surface area 2164609423260000
Volume 6.852395820743E+21
Space diagonal 32898399.833882

Equilateral Triangle

Length = n
Perimeter 56981700
Area 1.562172291512E+14
Altitude 16449199.916941

Triangular Pyramid

Length = n
Surface area 1.562172291512E+14
Volume 8.0756259203696E+20
Height 8953810.3274528