66742785 (number)

66742785 is an odd 8-digits composite number following 66742784 and preceding 66742786. In scientific notation, it is written as 6.6742785 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors. There are 35388576 positive integers (up to 66742785) that are relatively prime to 66742785.

Interesting facts

Basic properties

Name

Name sixty-six million seven hundred forty-two thousand seven hundred eighty-five

Notation

Scientific notation 6.6742785 × 10^7
Engineering notation 6.6742785 × 10^6

Prime Factorization of 66742785

Prime Factorization 5 × 27 × 3 × 223 × 739

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 66742785
Product of the distinct prime numbers

The prime factorization of 66742785 is 5 × 27 × 3 × 223 × 739. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66742785)

Multiplication

n×y
n×2 133485570
n×3 200228355
n×4 266971140
n×5 333713925

Division

n÷y
n÷2 33371392.5
n÷3 22247595
n÷3 16685696.25
n÷5 13348557

Exponentiation

ny
n2 4454599349556225
n3 2.9731236664857E+23
n4 1.9843455365067E+31
n5 1.3244074750877E+39

Nth Root

y√n
2√n 8169.6257564224
3√n 405.63439670128
4√n 90.385982079205
5√n 36.718156193746

Divisors of 66742785

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66742784
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66742785 can be divided by 32 positive divisors. The sum of these divisors (counting 66742785) is 1, the average is 0.03125.

Base conversion 66742785

Base System Value
2 Binary 11111110100110101000000001
3 Ternary 11122120212220000
4 Quaternary 3332212220001
5 Quinary 114041232120
6 Senary 10342310213
8 Octal 376465001
10 Decimal 66742785
12 Duodecimal 1a428369
16 Hexadecimal 3fa6a01
20 Vigesimal 10h2gj5
36 Base36 13qj29

Cryptographic Hash Functions

md5 e20ade475f7b6650f0850cd750937103
sha1 40f17f0de68a05adfea3d55fcd907f866f40672e
sha256 57c5d39ce8ae486361d5b1c2de56b9c1a98f3542b0861f7cccd0d90ccf9664ca
sha512 e039caf81f000568b80acbd31f96001951a246df4795d21559cbd8dc0f58b3c16f7e8a948b98abb6906b9d0aec9a595882592c4b74dee9fbfc8f7c5f2c9912c7
ripemd-160 639f001dbd7525752c11ad8ce1568c513d77da80

66742785 as geometric shapes

Circle

Radius = n
Diameter 133485570
Circumference 419357286.07225
Area 1.3994536591252E+16

Sphere

Radius = n
Volume 1.2453791291794E+24
Surface area 5.5978146365007E+16
Circumference 419357286.07225

Square

Length = n
Perimeter 266971140
Area 4454599349556225
Diagonal 94388551.737552

Cube

Length = n
Surface area 26727596097337350
Volume 2.9731236664857E+23
Space diagonal 115601894.65865

Equilateral Triangle

Length = n
Perimeter 200228355
Area 1.9288981001987E+15
Altitude 57800947.329323

Triangular Pyramid

Length = n
Surface area 1.9288981001987E+15
Volume 3.5038598431304E+22
Height 31462850.579184