66706728 is an even 8-digits composite number following 66706727
and preceding 66706729 . In scientific notation, it is written as 6.6706728 × 10^7.
The sum of its digits is 42. It has a total of 6 prime factors and 32 positive divisors.
There are 19514880 positive integers (up to 66706728) that are relatively prime to 66706728.
66706728 has 32 divisors, whose sum is 133324200
The reverse of 66706728 is 82760766
Previous prime number is 29
Is Prime? no Number parity even Number length 8 Sum of Digits 42 Digital Root 6
Name
sixty-six million seven hundred six thousand seven hundred twenty-eight
Scientific notation
6.6706728 × 10^7
Engineering notation
6.6706728 × 10^6
Prime Factorization
2 × 2 × 2 × 33 × 29 × 8713
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
6 Total number of prime factors
rad Radical
16676682 Product of the distinct prime numbers
The prime factorization of 66706728 is 2 × 2 × 2 × 33 × 29 × 8713.
Since it has a total of 6 prime factors.
2 , 10 , 68 , 88 , 73 , 323 , 6295 , 7201 , 5116 , 71753 , 505725 , 547096 , 2232268 , 9925965 , 51134898 , 37402034 , 522467961 , 170595692 , 4519407970 , 9554678932
n×2
133413456
n×3
200120184
n×4
266826912
n×5
333533640
n÷2
33353364
n÷3
22235576
n÷3
16676682
n÷5
13341345.6
n2
4449787560465984
n3
2.9683076845379E+23
n4
1.9800609333278E+31
n5
1.3208338610292E+39
2 √n8167.4186864639
3 √n405.56133714852
4 √n90.37377211594
5 √n36.714188026252
1 , 2 , 4 , 8 , 29 , 33 , 58 , 66 , 116 , 132 , 232 , 264 , 957 , 1914 , 3828 , 7656 , 8713 , 17426 , 34852 , 69704 , 252677 , 287529 , 505354 , 575058 , 1010708 , 1150116 , 2021416 , 2300232 , 8338341 , 16676682 , 33353364 , 66706728
32 divisors
τ Total Divisors
32 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-66706727 Sum of the proper positive divisors of n
A Arithmetic Mean
0.03125 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
32 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66706728 can be divided by 32 positive divisors.
The sum of these divisors (counting 66706728) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11111110011101110100101000
3
Ternary
11122112001102120
4
Quaternary
3332131310220
5
Quinary
114034103403
6
Senary
10341431240
8
Octal
376356450
10
Decimal
66706728
12
Duodecimal
1a40b520
16
Hexadecimal
3f9dd28
20
Vigesimal
10gi6g8
36
Base36
13pr8o
md5
356bc1ab7914cc3ec791030d603bc468
sha1
1e2f12cbf822cf4e97b726434ff93b9671762004
sha256
730d92239c37e7d1fe1b1e9be40b72770db4c7800ec1e429d5c05ea5b630dc5e
sha512
6ea3e5ca0fc719a84ceb19c9d4f5376aae3accc36bc8e8f4294b0833c89ac50901a31de927ffcb635658909fc4fd9b5ecadc7c658c11a7a6c34cbc80f64b3779
ripemd-160
279ea39b51c2f87a1146af21136d83b057f0755c
Diameter
133413456
Circumference
419130733.25963
Area
1.3979419909995E+16
Volume
1.2433618153784E+24
Surface area
5.5917679639981E+16
Circumference
419130733.25963
Perimeter
266826912
Area
4449787560465984
Diagonal
94337559.439133
Surface area
26698725362795904
Volume
2.9683076845379E+23
Space diagonal
115539442.10268
Perimeter
200120184
Area
1.9268145344038E+15
Altitude
57769721.051339
Surface area
1.9268145344038E+15
Volume
3.4981841539748E+22
Height
31445853.146378