66509989 (number)

66509989 is an odd 8-digits composite number following 66509988 and preceding 66509990. In scientific notation, it is written as 6.6509989 × 10^7. The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors. There are 52623216 positive integers (up to 66509989) that are relatively prime to 66509989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.6509989 × 10^7
Engineering notation 6.6509989 × 10^6

Prime Factorization of 66509989

Prime Factorization 7 × 13 × 730879

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 66509989
Product of the distinct prime numbers

The prime factorization of 66509989 is 7 × 13 × 730879. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66509989)

Multiplication

n×y
n×2 133019978
n×3 199529967
n×4 266039956
n×5 332549945

Division

n÷y
n÷2 33254994.5
n÷3 22169996.333333
n÷3 16627497.25
n÷5 13301997.8

Exponentiation

ny
n2 4423578636780121
n3 2.9421216647288E+23
n4 1.9568047955777E+31
n5 1.3014706542902E+39

Nth Root

y√n
2√n 8155.3656570383
3√n 405.16223546514
4√n 90.307063162514
5√n 36.692506108244

Divisors of 66509989

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 -66509988
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 66509989 can be divided by 8 positive divisors. The sum of these divisors (counting 66509989) is 1, the average is 0.125.

Base conversion 66509989

Base System Value
2 Binary 11111101101101110010100101
3 Ternary 11122011001112221
4 Quaternary 3331231302211
5 Quinary 114011304424
6 Senary 10333312341
8 Octal 375556245
10 Decimal 66509989
12 Duodecimal 1a3356b1
16 Hexadecimal 3f6dca5
20 Vigesimal 10fdej9
36 Base36 13ljfp

Cryptographic Hash Functions

md5 73e0da38ed74e57600b6bcb4a2c482f2
sha1 85d3ec0fb819cef7824f07b523827c9a875be565
sha256 a83bafd31fe17a6f3ac10949a8731b7a839e90430a79f7e1f593b712d0791cf8
sha512 5d6dcb141c7ad24b61baf6711a7a43b62d5064202971d4fa58e3f8d7c362c72a4a172428e4974d9cc69880ef615bad1f97246acdc9682cb57e85e8bdfeef717e
ripemd-160 4f16366581d086b9a5ecf0fec0fdfe5f5173abaa

66509989 as geometric shapes

Circle

Radius = n
Diameter 133019978
Circumference 417894585.66548
Area 1.3897082147885E+16

Sphere

Radius = n
Volume 1.2323930410506E+24
Surface area 5.5588328591541E+16
Circumference 417894585.66548

Square

Length = n
Perimeter 266039956
Area 4423578636780121
Diagonal 94059328.477085

Cube

Length = n
Surface area 26541471820680726
Volume 2.9421216647288E+23
Space diagonal 115198680.15885

Equilateral Triangle

Length = n
Perimeter 199529967
Area 1.9154657375449E+15
Altitude 57599340.079424

Triangular Pyramid

Length = n
Surface area 1.9154657375449E+15
Volume 3.467323633676E+22
Height 31353109.492362