66685890 (number)

66685890 is an even 8-digits composite number following 66685889 and preceding 66685891. In scientific notation, it is written as 6.6685890 × 10^7. The sum of its digits is 48. It has a total of 5 prime factors and 32 positive divisors. There are 17740800 positive integers (up to 66685890) that are relatively prime to 66685890.

Interesting facts

Basic properties

Name

Name sixty-six million six hundred eighty-five thousand eight hundred ninety

Notation

Scientific notation 6.6685890 × 10^7
Engineering notation 6.6685890 × 10^6

Prime Factorization of 66685890

Prime Factorization 2 × 5 × 3 × 463 × 4801

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 66685890
Product of the distinct prime numbers

The prime factorization of 66685890 is 2 × 5 × 3 × 463 × 4801. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 8, 17, 5, 951, 351, 5327, 859, 29464, 85341, 771638, 217096, 1998333, 8075416, 40908322, 53444928, 291970498, 332932945, 7449160516, 8574733705

Basic calculations (n = 66685890)

Multiplication

n×y
n×2 133371780
n×3 200057670
n×4 266743560
n×5 333429450

Division

n÷y
n÷2 33342945
n÷3 22228630
n÷3 16671472.5
n÷5 13337178

Exponentiation

ny
n2 4447007925092100
n3 2.9655268132182E+23
n4 1.9775879485832E+31
n5 1.3187721240454E+39

Nth Root

y√n
2√n 8166.1429083748
3√n 405.51910269162
4√n 90.366713497697
5√n 36.711893967209

Divisors of 66685890

1, 2, 3, 5, 6, 10, 15, 30, 463, 926, 1389, 2315, 2778, 4630, 4801, 6945, 9602, 13890, 14403, 24005, 28806, 48010, 72015, 144030, 2222863, 4445726, 6668589, 11114315, 13337178, 22228630, 33342945, 66685890

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66685889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66685890 can be divided by 32 positive divisors. The sum of these divisors (counting 66685890) is 1, the average is 0.03125.

Base conversion 66685890

Base System Value
2 Binary 11111110011000101111000010
3 Ternary 11122110222211210
4 Quaternary 3332120233002
5 Quinary 114032422030
6 Senary 10341150550
8 Octal 376305702
10 Decimal 66685890
12 Duodecimal 1a3bb456
16 Hexadecimal 3f98bc2
20 Vigesimal 10gfeea
36 Base36 13pb5u

Cryptographic Hash Functions

md5 04df71f7149972f779c1d88394420921
sha1 6b929fbde5e5d603dc457580e99072d556614e8a
sha256 7b8600305e70ada4aabfd1611afe67a11718f420199a2bf672ae24d290489889
sha512 3b9fb37288c07d1f9282400d073e3237694d301268de4726fd09ab84dab7306a39c5d488f40c9de65af21ee59c522b05a5a094505f9c42b60bd6aeca3a5cd7fc
ripemd-160 c1f56c4e86ef8a5e4754c1395e9e4732de4bffd3

66685890 as geometric shapes

Circle

Radius = n
Diameter 133371780
Circumference 418999804.24419
Area 1.3970687427925E+16

Sphere

Radius = n
Volume 1.242196966724E+24
Surface area 5.58827497117E+16
Circumference 418999804.24419

Square

Length = n
Perimeter 266743560
Area 4447007925092100
Diagonal 94308090.05692

Cube

Length = n
Surface area 26682047550552600
Volume 2.9655268132182E+23
Space diagonal 115503349.62795

Equilateral Triangle

Length = n
Perimeter 200057670
Area 1.9256109169802E+15
Altitude 57751674.813975

Triangular Pyramid

Length = n
Surface area 1.9256109169802E+15
Volume 3.4949068656952E+22
Height 31436030.018973