66705989 (number)

66705989 is an odd 8-digits composite number following 66705988 and preceding 66705990. In scientific notation, it is written as 6.6705989 × 10^7. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 57176556 positive integers (up to 66705989) that are relatively prime to 66705989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.6705989 × 10^7
Engineering notation 6.6705989 × 10^6

Prime Factorization of 66705989

Prime Factorization 7 × 9529427

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 66705989
Product of the distinct prime numbers

The prime factorization of 66705989 is 7 × 9529427. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66705989)

Multiplication

n×y
n×2 133411978
n×3 200117967
n×4 266823956
n×5 333529945

Division

n÷y
n÷2 33352994.5
n÷3 22235329.666667
n÷3 16676497.25
n÷5 13341197.8

Exponentiation

ny
n2 4449688968468121
n3 2.9682090338406E+23
n4 1.9799731916107E+31
n5 1.3207606993988E+39

Nth Root

y√n
2√n 8167.3734456066
3√n 405.55983949382
4√n 90.373521816994
5√n 36.71410667942

Divisors of 66705989

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66705988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66705989 can be divided by 4 positive divisors. The sum of these divisors (counting 66705989) is 1, the average is 0.25.

Base conversion 66705989

Base System Value
2 Binary 11111110011101101001000101
3 Ternary 11122112000102012
4 Quaternary 3332131221011
5 Quinary 114034042424
6 Senary 10341424005
8 Octal 376355105
10 Decimal 66705989
12 Duodecimal 1a40b005
16 Hexadecimal 3f9da45
20 Vigesimal 10gi4j9
36 Base36 13pqo5

Cryptographic Hash Functions

md5 36ee0ba0712f9528ae2bd8f1a489b44a
sha1 2e07ee2cbca3d385bba8af838b336ed04a5740bc
sha256 95b719631a0bcc8dc557e21c37700ad720540f49c86810c1e90bf74c67242558
sha512 68ef632de53cd0278645425a7e5a0e49c7ebbe7cecdfabce2f19c9db1bbc85960ffdf01a846db63e07db84d75cf3e35d28963692e3741167542ad859e646370e
ripemd-160 a68d58d287e7a33259f75577add41ecac370acba

66705989 as geometric shapes

Circle

Radius = n
Diameter 133411978
Circumference 419126089.98568
Area 1.3979110174099E+16

Sphere

Radius = n
Volume 1.243320492671E+24
Surface area 5.5916440696396E+16
Circumference 419126089.98568

Square

Length = n
Perimeter 266823956
Area 4449688968468121
Diagonal 94336514.335311

Cube

Length = n
Surface area 26698133810808726
Volume 2.9682090338406E+23
Space diagonal 115538162.11713

Equilateral Triangle

Length = n
Perimeter 200117967
Area 1.9267718428164E+15
Altitude 57769081.058565

Triangular Pyramid

Length = n
Surface area 1.9267718428164E+15
Volume 3.498067893013E+22
Height 31445504.778437