66871209 (number)

66871209 is an odd 8-digits composite number following 66871208 and preceding 66871210. In scientific notation, it is written as 6.6871209 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 44016336 positive integers (up to 66871209) that are relatively prime to 66871209.

Interesting facts

Basic properties

Name

Name sixty-six million eight hundred seventy-one thousand two hundred nine

Notation

Scientific notation 6.6871209 × 10^7
Engineering notation 6.6871209 × 10^6

Prime Factorization of 66871209

Prime Factorization 3 × 79 × 282157

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 66871209
Product of the distinct prime numbers

The prime factorization of 66871209 is 3 × 79 × 282157. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66871209)

Multiplication

n×y
n×2 133742418
n×3 200613627
n×4 267484836
n×5 334356045

Division

n÷y
n÷2 33435604.5
n÷3 22290403
n÷3 16717802.25
n÷5 13374241.8

Exponentiation

ny
n2 4471758593121681
n3 2.9903190347819E+23
n4 1.9996624915158E+31
n5 1.3371984839961E+39

Nth Root

y√n
2√n 8177.4818251097
3√n 405.89439891476
4√n 90.429430082854
5√n 36.73227567445

Divisors of 66871209

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 -66871208
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 66871209 can be divided by 8 positive divisors. The sum of these divisors (counting 66871209) is 1, the average is 0.125.

Base conversion 66871209

Base System Value
2 Binary 11111111000101111110101001
3 Ternary 11122211102001110
4 Quaternary 3333011332221
5 Quinary 114104334314
6 Senary 10345140533
8 Octal 377057651
10 Decimal 66871209
12 Duodecimal 1a48a749
16 Hexadecimal 3fc5fa9
20 Vigesimal 10hii09
36 Base36 13ta5l

Cryptographic Hash Functions

md5 75666e3122dd8d0c16fa21a18675334e
sha1 7a5b31b3ed2a6c555647fe243988d12eb21b5c81
sha256 7ddd16610a885e0c489b18d92b10a4f3b56781153dde2568d708acd2eb8618da
sha512 868a53a9865ed31c1e9194a6a694f8664ff28241cd438338175feb886e34dc0c144380bd42db67c1eaf5b93d6d42dd9c1bfffb196c7890114af194eccd7e2467
ripemd-160 6bfbda24062bb7983556c3a931e7769009196095

66871209 as geometric shapes

Circle

Radius = n
Diameter 133742418
Circumference 420164197.86214
Area 1.4048443944778E+16

Sphere

Radius = n
Volume 1.2525819082081E+24
Surface area 5.6193775779112E+16
Circumference 420164197.86214

Square

Length = n
Perimeter 267484836
Area 4471758593121681
Diagonal 94570170.700086

Cube

Length = n
Surface area 26830551558730086
Volume 2.9903190347819E+23
Space diagonal 115824331.55156

Equilateral Triangle

Length = n
Perimeter 200613627
Area 1.9363282706174E+15
Altitude 57912165.775779

Triangular Pyramid

Length = n
Surface area 1.9363282706174E+15
Volume 3.5241247790091E+22
Height 31523390.233362