66449145 (number)

66449145 is an odd 8-digits composite number following 66449144 and preceding 66449146. In scientific notation, it is written as 6.6449145 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 30376416 positive integers (up to 66449145) that are relatively prime to 66449145.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.6449145 × 10^7
Engineering notation 6.6449145 × 10^6

Prime Factorization of 66449145

Prime Factorization 15 × 49 × 90407

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 66449145
Product of the distinct prime numbers

The prime factorization of 66449145 is 15 × 49 × 90407. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66449145)

Multiplication

n×y
n×2 132898290
n×3 199347435
n×4 265796580
n×5 332245725

Division

n÷y
n÷2 33224572.5
n÷3 22149715
n÷3 16612286.25
n÷5 13289829

Exponentiation

ny
n2 4415488871231025
n3 2.9340546025032E+23
n4 1.9496541971965E+31
n5 1.2955285444937E+39

Nth Root

y√n
2√n 8151.6344986757
3√n 405.03864895605
4√n 90.286402623406
5√n 36.685790316357

Divisors of 66449145

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 -66449144
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 66449145 can be divided by 8 positive divisors. The sum of these divisors (counting 66449145) is 1, the average is 0.125.

Base conversion 66449145

Base System Value
2 Binary 11111101011110111011111001
3 Ternary 11122000222002110
4 Quaternary 3331132323321
5 Quinary 114002333040
6 Senary 10332122533
8 Octal 375367371
10 Decimal 66449145
12 Duodecimal 1a306449
16 Hexadecimal 3f5eef9
20 Vigesimal 10f62h5
36 Base36 13k8hl

Cryptographic Hash Functions

md5 adb0d6fb19d0d5a6fa4568af1304e201
sha1 599d259154ad065e046c2fc2de07b7f3db590ce9
sha256 e6002e697407b3813f69bbf060250cfad662241e0d1bd7b98f9a84ff170439d4
sha512 346646286a5df58fc8bb35222a1d545f8fe43d879452db474c8d9b7b5943c310cea40b90ac7aa63657124ab9fd9d84707249351e98496f40af41a2849ae9f0a8
ripemd-160 1a29d3071bc744c8bad300486a27488f20f53c23

66449145 as geometric shapes

Circle

Radius = n
Diameter 132898290
Circumference 417512291.53865
Area 1.3871667399867E+16

Sphere

Radius = n
Volume 1.2290139179274E+24
Surface area 5.5486669599468E+16
Circumference 417512291.53865

Square

Length = n
Perimeter 265796580
Area 4415488871231025
Diagonal 93973282.067096

Cube

Length = n
Surface area 26492933227386150
Volume 2.9340546025032E+23
Space diagonal 115093295.25951

Equilateral Triangle

Length = n
Perimeter 199347435
Area 1.9119627663068E+15
Altitude 57546647.629756

Triangular Pyramid

Length = n
Surface area 1.9119627663068E+15
Volume 3.4578165096693E+22
Height 31324427.355699