16668538 (number)

16668538 is an even 8-digits composite number following 16668537 and preceding 16668539. In scientific notation, it is written as 1.6668538 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 8334268 positive integers (up to 16668538) that are relatively prime to 16668538.

Interesting facts

Basic properties

Name

Name sixteen million six hundred sixty-eight thousand five hundred thirty-eight

Notation

Scientific notation 1.6668538 × 10^7
Engineering notation 1.6668538 × 10^6

Prime Factorization of 16668538

Prime Factorization 2 × 8334269

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 16668538
Product of the distinct prime numbers

The prime factorization of 16668538 is 2 × 8334269. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16668538)

Multiplication

n×y
n×2 33337076
n×3 50005614
n×4 66674152
n×5 83342690

Division

n÷y
n÷2 8334269
n÷3 5556179.3333333
n÷3 4167134.5
n÷5 3333707.6

Exponentiation

ny
n2 277840159057444
n3 4.631189249175E+21
n4 7.7195153985066E+28
n5 1.2867303576159E+36

Nth Root

y√n
2√n 4082.7120887959
3√n 255.44603724263
4√n 63.89610386241
5√n 27.821433412044

Divisors of 16668538

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 -16668537
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 16668538 can be divided by 4 positive divisors. The sum of these divisors (counting 16668538) is 1, the average is 0.25.

Base conversion 16668538

Base System Value
2 Binary 111111100101011101111010
3 Ternary 1011100211221021
4 Quaternary 333211131322
5 Quinary 13231343123
6 Senary 1353133054
8 Octal 77453572
10 Decimal 16668538
12 Duodecimal 56ba18a
16 Hexadecimal fe577a
20 Vigesimal 543b6i
36 Base36 9x9iy

Cryptographic Hash Functions

md5 183bd662831f719ac11fe3c863967d02
sha1 feb0dc3779a39504af9fa2ce746f345057073066
sha256 e03252de6913e0e2a4a2c7327626495401e5c92b4211b9cd4620421661ed8f0b
sha512 1cbb13897811c27c2907819795a4d2a5b1d9011d77c2e04b7ffac9398efd1d24fae439e59bc8234b09f3b692597ff30aa72f00b1a9c94e748df8cdfa50a762c6
ripemd-160 b08cf679239be252a20467a0c6988d1ad8af6eb0

16668538 as geometric shapes

Circle

Radius = n
Diameter 33337076
Circumference 104731513.05376
Area 8.7286060256709E+14

Sphere

Radius = n
Volume 1.9399080163456E+22
Surface area 3.4914424102683E+15
Circumference 104731513.05376

Square

Length = n
Perimeter 66674152
Area 277840159057444
Diagonal 23572872.504531

Cube

Length = n
Surface area 1667040954344664
Volume 4.631189249175E+21
Space diagonal 28870754.703893

Equilateral Triangle

Length = n
Perimeter 50005614
Area 1.2030831796763E+14
Altitude 14435377.351946

Triangular Pyramid

Length = n
Surface area 1.2030831796763E+14
Volume 5.4579088717499E+20
Height 7857624.1681771