66709905 (number)

66709905 is an odd 8-digits composite number following 66709904 and preceding 66709906. In scientific notation, it is written as 6.6709905 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 34994880 positive integers (up to 66709905) that are relatively prime to 66709905.

Interesting facts

Basic properties

Name

Name sixty-six million seven hundred nine thousand nine hundred five

Notation

Scientific notation 6.6709905 × 10^7
Engineering notation 6.6709905 × 10^6

Prime Factorization of 66709905

Prime Factorization 15 × 61 × 72907

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 66709905
Product of the distinct prime numbers

The prime factorization of 66709905 is 15 × 61 × 72907. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66709905)

Multiplication

n×y
n×2 133419810
n×3 200129715
n×4 266839620
n×5 333549525

Division

n÷y
n÷2 33354952.5
n÷3 22236635
n÷3 16677476.25
n÷5 13341981

Exponentiation

ny
n2 4450211425109025
n3 2.9687318139894E+23
n4 1.9804381728171E+31
n5 1.32114842367E+39

Nth Root

y√n
2√n 8167.6131764427
3√n 405.56777551914
4√n 90.374848140634
5√n 36.714537732367

Divisors of 66709905

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 -66709904
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 66709905 can be divided by 8 positive divisors. The sum of these divisors (counting 66709905) is 1, the average is 0.125.

Base conversion 66709905

Base System Value
2 Binary 11111110011110100110010001
3 Ternary 11122112012210020
4 Quaternary 3332132212101
5 Quinary 114034204110
6 Senary 10341454053
8 Octal 376364621
10 Decimal 66709905
12 Duodecimal 1a411329
16 Hexadecimal 3f9e991
20 Vigesimal 10gief5
36 Base36 13ptox

Cryptographic Hash Functions

md5 f4ee05d3f89a1c41502818e64753814a
sha1 9b04b4941df6ec7a46132621a710092e4dabe38f
sha256 103c7666a5a13ee1a7b48a66549ff8ccad71a3629fe0a2e655a997ebca8832be
sha512 ba417058285be3d758eecd8daf1d700d283b24ce909cbfaa296b243851e6466ed0e2a5ad1c52a81b3bde6e460a7f86389d20578f8d43d089fb633b54e4e432c8
ripemd-160 1aef63b6071fe29531156d052b0c0d3fc39caeed

66709905 as geometric shapes

Circle

Radius = n
Diameter 133419810
Circumference 419150694.93935
Area 1.3980751520044E+16

Sphere

Radius = n
Volume 1.2435394743076E+24
Surface area 5.5923006080176E+16
Circumference 419150694.93935

Square

Length = n
Perimeter 266839620
Area 4450211425109025
Diagonal 94342052.395621

Cube

Length = n
Surface area 26701268550654150
Volume 2.9687318139894E+23
Space diagonal 115544944.82809

Equilateral Triangle

Length = n
Perimeter 200129715
Area 1.9269980731781E+15
Altitude 57772472.414047

Triangular Pyramid

Length = n
Surface area 1.9269980731781E+15
Volume 3.4986839953269E+22
Height 31447350.79854