66918085 (number)

66918085 is an odd 8-digits composite number following 66918084 and preceding 66918086. In scientific notation, it is written as 6.6918085 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 49415808 positive integers (up to 66918085) that are relatively prime to 66918085.

Interesting facts

Basic properties

Name

Name sixty-six million nine hundred eighteen thousand eighty-five

Notation

Scientific notation 6.6918085 × 10^7
Engineering notation 6.6918085 × 10^6

Prime Factorization of 66918085

Prime Factorization 5 × 169 × 79193

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 66918085
Product of the distinct prime numbers

The prime factorization of 66918085 is 5 × 169 × 79193. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66918085)

Multiplication

n×y
n×2 133836170
n×3 200754255
n×4 267672340
n×5 334590425

Division

n÷y
n÷2 33459042.5
n÷3 22306028.333333
n÷3 16729521.25
n÷5 13383617

Exponentiation

ny
n2 4478030100067225
n3 2.9966119886886E+23
n4 2.0052753577108E+31
n5 1.341891868357E+39

Nth Root

y√n
2√n 8180.3474865069
3√n 405.98921930169
4√n 90.445273433756
5√n 36.737424017304

Divisors of 66918085

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 -66918084
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 66918085 can be divided by 8 positive divisors. The sum of these divisors (counting 66918085) is 1, the average is 0.125.

Base conversion 66918085

Base System Value
2 Binary 11111111010001011011000101
3 Ternary 11122220210100121
4 Quaternary 3333101123011
5 Quinary 114112334320
6 Senary 10350141541
8 Octal 377213305
10 Decimal 66918085
12 Duodecimal 1a4b18b1
16 Hexadecimal 3fd16c5
20 Vigesimal 10i4f45
36 Base36 13uabp

Cryptographic Hash Functions

md5 d82098f3fba5e4bf0d9ec952be5a49a4
sha1 37019749e31f1fa560a82a157da0062cf336b295
sha256 d42215423ed82e8c7007c2477d962d4eead166eefe3057a97e48f4c83b6a1409
sha512 9b334785d41447b19e730e7fee732bf5bef9e4a1352a993f89298b863edbcd00b0a96ca9a5c9e908f05d1013a5f4b834c2dff623c51db4010430c0a7b6f06c35
ripemd-160 4330b033d609861edfeb0af16fecf86f38689af4

66918085 as geometric shapes

Circle

Radius = n
Diameter 133836170
Circumference 420458728.45659
Area 1.4068146464925E+16

Sphere

Radius = n
Volume 1.2552178945764E+24
Surface area 5.6272585859701E+16
Circumference 420458728.45659

Square

Length = n
Perimeter 267672340
Area 4478030100067225
Diagonal 94636463.375036

Cube

Length = n
Surface area 26868180600403350
Volume 2.9966119886886E+23
Space diagonal 115905523.16521

Equilateral Triangle

Length = n
Perimeter 200754255
Area 1.9390439127848E+15
Altitude 57952761.582606

Triangular Pyramid

Length = n
Surface area 1.9390439127848E+15
Volume 3.531541096311E+22
Height 31545487.791679