66728311 (number)

66728311 is an odd 8-digits composite number following 66728310 and preceding 66728312. In scientific notation, it is written as 6.6728311 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 61595352 positive integers (up to 66728311) that are relatively prime to 66728311.

Interesting facts

Basic properties

Name

Name sixty-six million seven hundred twenty-eight thousand three hundred eleven

Notation

Scientific notation 6.6728311 × 10^7
Engineering notation 6.6728311 × 10^6

Prime Factorization of 66728311

Prime Factorization 13 × 5132947

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 66728311
Product of the distinct prime numbers

The prime factorization of 66728311 is 13 × 5132947. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66728311)

Multiplication

n×y
n×2 133456622
n×3 200184933
n×4 266913244
n×5 333641555

Division

n÷y
n÷2 33364155.5
n÷3 22242770.333333
n÷3 16682077.75
n÷5 13345662.2

Exponentiation

ny
n2 4452667488912721
n3 2.9711898097976E+23
n4 1.982624776682E+31
n5 1.3229720269474E+39

Nth Root

y√n
2√n 8168.7398660993
3√n 405.60507229955
4√n 90.381081350575
5√n 36.716563498145

Divisors of 66728311

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 -66728310
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 66728311 can be divided by 4 positive divisors. The sum of these divisors (counting 66728311) is 1, the average is 0.25.

Base conversion 66728311

Base System Value
2 Binary 11111110100011000101110111
3 Ternary 11122120011000221
4 Quaternary 3332203011313
5 Quinary 114040301221
6 Senary 10342115211
8 Octal 376430567
10 Decimal 66728311
12 Duodecimal 1a41bb07
16 Hexadecimal 3fa3177
20 Vigesimal 10h10fb
36 Base36 13q7w7

Cryptographic Hash Functions

md5 ad948e5b2d2c157f653097795a128f94
sha1 4a5c636d74f1c3d53ee8052efc2a41b360b5c6c9
sha256 4a99398c5b7eb709974aa651b5d44ccb79973942dc471d737c143fb70141399e
sha512 6e342a71d43b66e973afca66641171635467599bd9d8f6071d374c203b92c71299be9ce05a7946f64e6fe7e7e892099eb566b0cdaf794d7b207db19df8f42a46
ripemd-160 03e04601e8513e06909492a0be64129a145415ab

66728311 as geometric shapes

Circle

Radius = n
Diameter 133456622
Circumference 419266343.24811
Area 1.3988467472046E+16

Sphere

Radius = n
Volume 1.2445690771841E+24
Surface area 5.5953869888185E+16
Circumference 419266343.24811

Square

Length = n
Perimeter 266913244
Area 4452667488912721
Diagonal 94368082.41045

Cube

Length = n
Surface area 26716004933476326
Volume 2.9711898097976E+23
Space diagonal 115576824.95526

Equilateral Triangle

Length = n
Perimeter 200184933
Area 1.9280615800017E+15
Altitude 57788412.477629

Triangular Pyramid

Length = n
Surface area 1.9280615800017E+15
Volume 3.5015807711671E+22
Height 31456027.47015