66405965 (number)

66405965 is an odd 8-digits composite number following 66405964 and preceding 66405966. In scientific notation, it is written as 6.6405965 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 53124768 positive integers (up to 66405965) that are relatively prime to 66405965.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.6405965 × 10^7
Engineering notation 6.6405965 × 10^6

Prime Factorization of 66405965

Prime Factorization 5 × 13281193

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 66405965
Product of the distinct prime numbers

The prime factorization of 66405965 is 5 × 13281193. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 5, 81, 3, 673, 984, 7242, 2343, 68257, 97035, 268141, 678373, 5912696, 6421273, 33246769, 61240091, 938083278, 811055049, 9073622229, 9175596470

Basic calculations (n = 66405965)

Multiplication

n×y
n×2 132811930
n×3 199217895
n×4 265623860
n×5 332029825

Division

n÷y
n÷2 33202982.5
n÷3 22135321.666667
n÷3 16601491.25
n÷5 13281193

Exponentiation

ny
n2 4409752187581225
n3 2.9283384942719E+23
n4 1.9445914355877E+31
n5 1.2913247081094E+39

Nth Root

y√n
2√n 8148.9855196828
3√n 404.95089584004
4√n 90.271731564664
5√n 36.681021242695

Divisors of 66405965

1, 5, 13281193, 66405965

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 -66405964
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 66405965 can be divided by 4 positive divisors. The sum of these divisors (counting 66405965) is 1, the average is 0.25.

Base conversion 66405965

Base System Value
2 Binary 11111101010100011001001101
3 Ternary 11121221202212012
4 Quaternary 3331110121031
5 Quinary 113444442330
6 Senary 10331151005
8 Octal 375243115
10 Decimal 66405965
12 Duodecimal 1a2a5465
16 Hexadecimal 3f5464d
20 Vigesimal 10f0ei5
36 Base36 13jb65

Cryptographic Hash Functions

md5 6f41e07ad9746dde14e565b73e364d54
sha1 b8bf676bb91397786d2026b7ced3e573195daca8
sha256 c31cbe0398c5484bfa17366a5dadc0c92527593d035cfaa67edc654fcdd0f4cf
sha512 42acf5465033971bb0c83caf163f0e86d16c0bde2b9925d285af5554fc537e174e672f379acba18f74c10e09d70f304eca88f1e540cf738ae65159859b2cc3ae
ripemd-160 295e5e2f119a3a032cfcac9c667826ffcc225c84

66405965 as geometric shapes

Circle

Radius = n
Diameter 132811930
Circumference 417240983.59708
Area 1.3853645076657E+16

Sphere

Radius = n
Volume 1.2266195601105E+24
Surface area 5.5414580306627E+16
Circumference 417240983.59708

Square

Length = n
Perimeter 265623860
Area 4409752187581225
Diagonal 93912216.325473

Cube

Length = n
Surface area 26458513125487350
Volume 2.9283384942719E+23
Space diagonal 115018505.30564

Equilateral Triangle

Length = n
Perimeter 199217895
Area 1.9094787094197E+15
Altitude 57509252.65282

Triangular Pyramid

Length = n
Surface area 1.9094787094197E+15
Volume 3.4510800115155E+22
Height 31304072.108491