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.
66728311 has 4 divisors, whose sum is 71861272
The reverse of 66728311 is 11382766
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
sixty-six million seven hundred twenty-eight thousand three hundred eleven
Scientific notation
6.6728311 × 10^7
Engineering notation
6.6728311 × 10^6
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.
9 , 5 , 100 , 17 , 270 , 108 , 3394 , 3789 , 99625 , 84896 , 779751 , 977975 , 4201590 , 1304138 , 23358535 , 88411332 , 978152666 , 609958781 , 600520098 , 440159004
n×2
133456622
n×3
200184933
n×4
266913244
n×5
333641555
n÷2
33364155.5
n÷3
22242770.333333
n÷3
16682077.75
n÷5
13345662.2
n2
4452667488912721
n3
2.9711898097976E+23
n4
1.982624776682E+31
n5
1.3229720269474E+39
2 √n
8168.7398660993
3 √n
405.60507229955
4 √n
90.381081350575
5 √n
36.716563498145
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
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
md5
ad948e5b2d2c157f653097795a128f94
sha1
4a5c636d74f1c3d53ee8052efc2a41b360b5c6c9
sha256
4a99398c5b7eb709974aa651b5d44ccb79973942dc471d737c143fb70141399e
sha512
6e342a71d43b66e973afca66641171635467599bd9d8f6071d374c203b92c71299be9ce05a7946f64e6fe7e7e892099eb566b0cdaf794d7b207db19df8f42a46
ripemd-160
03e04601e8513e06909492a0be64129a145415ab
Diameter
133456622
Circumference
419266343.24811
Area
1.3988467472046E+16
Volume
1.2445690771841E+24
Surface area
5.5953869888185E+16
Circumference
419266343.24811
Perimeter
266913244
Area
4452667488912721
Diagonal
94368082.41045
Surface area
26716004933476326
Volume
2.9711898097976E+23
Space diagonal
115576824.95526
Perimeter
200184933
Area
1.9280615800017E+15
Altitude
57788412.477629
Surface area
1.9280615800017E+15
Volume
3.5015807711671E+22
Height
31456027.47015