66561666 (number)

66561666 is an even 8-digits composite number following 66561665 and preceding 66561667. In scientific notation, it is written as 6.6561666 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 22150800 positive integers (up to 66561666) that are relatively prime to 66561666.

Interesting facts

Basic properties

Name

Name sixty-six million five hundred sixty-one thousand six hundred sixty-six

Notation

Scientific notation 6.6561666 × 10^7
Engineering notation 6.6561666 × 10^6

Prime Factorization of 66561666

Prime Factorization 2 × 3 × 631 × 17581

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 66561666
Product of the distinct prime numbers

The prime factorization of 66561666 is 2 × 3 × 631 × 17581. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66561666)

Multiplication

n×y
n×2 133123332
n×3 199684998
n×4 266246664
n×5 332808330

Division

n÷y
n÷2 33280833
n÷3 22187222
n÷3 16640416.5
n÷5 13312333.2

Exponentiation

ny
n2 4430455380695556
n3 2.9489849127776E+23
n4 1.9628934880334E+31
n5 1.3065346074406E+39

Nth Root

y√n
2√n 8158.5333240724
3√n 405.26714275701
4√n 90.324599772556
5√n 36.698206213234

Divisors of 66561666

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66561665
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66561666 can be divided by 16 positive divisors. The sum of these divisors (counting 66561666) is 1, the average is 0.0625.

Base conversion 66561666

Base System Value
2 Binary 11111101111010011010000010
3 Ternary 11122020200102220
4 Quaternary 3331322122002
5 Quinary 114014433131
6 Senary 10334351510
8 Octal 375723202
10 Decimal 66561666
12 Duodecimal 1a35b596
16 Hexadecimal 3f7a682
20 Vigesimal 10g0436
36 Base36 13mnb6

Cryptographic Hash Functions

md5 91273ae4fc9245cb8c57226f8bbf8dd9
sha1 8706e33b4f47343944730cacc7cfc36ac6e562ba
sha256 e078eb2771dada1f4b64ef04317a55f7abb6b53d52f8eb8b75c9d005f6aeb14e
sha512 2b8b79521ddafffb71da140cac53add47d84fa872281b2c13f105ab8b82ab083da546c4502768bce626989329877d622035608dd292ab9e434f8e676a45e293c
ripemd-160 c29bba6ae6f5278b444166806649a5ce947addcc

66561666 as geometric shapes

Circle

Radius = n
Diameter 133123332
Circumference 418219281.8326
Area 1.3918686076051E+16

Sphere

Radius = n
Volume 1.2352679116706E+24
Surface area 5.5674744304202E+16
Circumference 418219281.8326

Square

Length = n
Perimeter 266246664
Area 4430455380695556
Diagonal 94132410.791348

Cube

Length = n
Surface area 26582732284173336
Volume 2.9489849127776E+23
Space diagonal 115288187.34843

Equilateral Triangle

Length = n
Perimeter 199684998
Area 1.9184434550079E+15
Altitude 57644093.674215

Triangular Pyramid

Length = n
Surface area 1.9184434550079E+15
Volume 3.4754120490698E+22
Height 31377470.263783