66509968 (number)

66509968 is an even 8-digits composite number following 66509967 and preceding 66509969. In scientific notation, it is written as 6.6509968 × 10^7. The sum of its digits is 49. It has a total of 6 prime factors and 20 positive divisors. There are 28504224 positive integers (up to 66509968) that are relatively prime to 66509968.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.6509968 × 10^7
Engineering notation 6.6509968 × 10^6

Prime Factorization of 66509968

Prime Factorization 2 × 2 × 2 × 2 × 7 × 593839

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 8313746
Product of the distinct prime numbers

The prime factorization of 66509968 is 2 × 2 × 2 × 2 × 7 × 593839. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66509968)

Multiplication

n×y
n×2 133019936
n×3 199529904
n×4 266039872
n×5 332549840

Division

n÷y
n÷2 33254984
n÷3 22169989.333333
n÷3 16627492
n÷5 13301993.6

Exponentiation

ny
n2 4423575843361024
n3 2.9421188778751E+23
n4 1.9568023241967E+31
n5 1.3014685996465E+39

Nth Root

y√n
2√n 8155.3643695423
3√n 405.16219282289
4√n 90.307056034079
5√n 36.69250379117

Divisors of 66509968

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66509967
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66509968 can be divided by 20 positive divisors. The sum of these divisors (counting 66509968) is 1, the average is 0.05.

Base conversion 66509968

Base System Value
2 Binary 11111101101101110010010000
3 Ternary 11122011001112011
4 Quaternary 3331231302100
5 Quinary 114011304333
6 Senary 10333312304
8 Octal 375556220
10 Decimal 66509968
12 Duodecimal 1a335694
16 Hexadecimal 3f6dc90
20 Vigesimal 10fdei8
36 Base36 13ljf4

Cryptographic Hash Functions

md5 bb7b2224b13773ba334e5c1a03a818ae
sha1 ab6f400b5435ce1e39d75cd29aa9012c6c4a2b63
sha256 28304dc10e1a8a21e66011cc6090bc7fca439787b5123ae5cd9bb5a4107d5690
sha512 442f32432857da89187e8dee5288454f144530749a19ca55c1a6128e9f682b577cb1ad8dbe9e41782c3ea13cdd3e94e14528f9102e3a64d004727e0e41301948
ripemd-160 d8cb1b1845c0ec920fa1ad0c8480cd3dbf4ee9b2

66509968 as geometric shapes

Circle

Radius = n
Diameter 133019936
Circumference 417894453.71858
Area 1.38970733721E+16

Sphere

Radius = n
Volume 1.2323918736961E+24
Surface area 5.5588293488401E+16
Circumference 417894453.71858

Square

Length = n
Perimeter 266039872
Area 4423575843361024
Diagonal 94059298.778601

Cube

Length = n
Surface area 26541455060166144
Volume 2.9421188778751E+23
Space diagonal 115198643.78578

Equilateral Triangle

Length = n
Perimeter 199529904
Area 1.9154645279589E+15
Altitude 57599321.89289

Triangular Pyramid

Length = n
Surface area 1.9154645279589E+15
Volume 3.4673203493375E+22
Height 31353099.592867