66820749 (number)

66820749 is an odd 8-digits composite number following 66820748 and preceding 66820750. In scientific notation, it is written as 6.6820749 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 44418096 positive integers (up to 66820749) that are relatively prime to 66820749.

Interesting facts

Basic properties

Name

Name sixty-six million eight hundred twenty thousand seven hundred forty-nine

Notation

Scientific notation 6.6820749 × 10^7
Engineering notation 6.6820749 × 10^6

Prime Factorization of 66820749

Prime Factorization 3 × 347 × 64189

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 66820749
Product of the distinct prime numbers

The prime factorization of 66820749 is 3 × 347 × 64189. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66820749)

Multiplication

n×y
n×2 133641498
n×3 200462247
n×4 267282996
n×5 334103745

Division

n÷y
n÷2 33410374.5
n÷3 22273583
n÷3 16705187.25
n÷5 13364149.8

Exponentiation

ny
n2 4465012496921001
n3 2.9835547933862E+23
n4 1.9936336597661E+31
n5 1.3321609437718E+39

Nth Root

y√n
2√n 8174.3959409855
3√n 405.79227930557
4√n 90.412366084433
5√n 36.726730476856

Divisors of 66820749

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 -66820748
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 66820749 can be divided by 8 positive divisors. The sum of these divisors (counting 66820749) is 1, the average is 0.125.

Base conversion 66820749

Base System Value
2 Binary 11111110111001101010001101
3 Ternary 11122201211211120
4 Quaternary 3332321222031
5 Quinary 114101230444
6 Senary 10344111153
8 Octal 376715215
10 Decimal 66820749
12 Duodecimal 1a4654b9
16 Hexadecimal 3fb9a8d
20 Vigesimal 10hcbh9
36 Base36 13s77x

Cryptographic Hash Functions

md5 ea43c65ade96f476be8d9e56738b7dac
sha1 62a740f6b82e452d985032504e855568a549561f
sha256 b8cb88f26c451c66c7494c0b134731487260d130f657f12471d3e3f3b827200b
sha512 e9500d98883b1be3496d3c7b7037ad85d88ec284c703154572f5d3ce8e6d5a139296a965264aa1f46e12bfa2058ba580bc4f72e1ba751ba704afe9a0d3450acb
ripemd-160 6bd18fb8b57e5c60231ea4e42fa1e1ae1a122168

66820749 as geometric shapes

Circle

Radius = n
Diameter 133641498
Circumference 419847148.33154
Area 1.4027250458514E+16

Sphere

Radius = n
Volume 1.249748509398E+24
Surface area 5.6109001834055E+16
Circumference 419847148.33154

Square

Length = n
Perimeter 267282996
Area 4465012496921001
Diagonal 94498809.483728

Cube

Length = n
Surface area 26790074981526006
Volume 2.9835547933862E+23
Space diagonal 115736932.26781

Equilateral Triangle

Length = n
Perimeter 200462247
Area 1.9334071252743E+15
Altitude 57868466.133904

Triangular Pyramid

Length = n
Surface area 1.9334071252743E+15
Volume 3.516153044075E+22
Height 31499603.161243