66728344 is an even 8-digits composite number following 66728343
and preceding 66728345 . In scientific notation, it is written as 6.6728344 × 10^7.
The sum of its digits is 40. It has a total of 6 prime factors and 32 positive divisors.
There are 32318496 positive integers (up to 66728344) that are relatively prime to 66728344.
66728344 has 32 divisors, whose sum is 129093120
The reverse of 66728344 is 44382766
Previous prime number is 103
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
sixty-six million seven hundred twenty-eight thousand three hundred forty-four
Scientific notation
6.6728344 × 10^7
Engineering notation
6.6728344 × 10^6
Prime Factorization
2 × 2 × 2 × 47 × 103 × 1723
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
16682086
Product of the distinct prime numbers
The prime factorization of 66728344 is 2 × 2 × 2 × 47 × 103 × 1723.
Since it has a total of 6 prime factors.
3 , 1 , 7 , 93 , 180 , 188 , 9943 , 7369 , 60621 , 52905 , 128896 , 10707 , 5354144 , 74826 , 15704475 , 45018986 , 918256237 , 260023718 , 2489388805 , 5669246013
n×2
133456688
n×3
200185032
n×4
266913376
n×5
333641720
n÷2
33364172
n÷3
22242781.333333
n÷3
16682086
n÷5
13345668.8
n2
4452671892982336
n3
2.9711942179406E+23
n4
1.9826286986555E+31
n5
1.3229752982816E+39
2 √n
8168.7418859944
3 √n
405.60513916255
4 √n
90.381092524899
5 √n
36.716567129727
1 , 2 , 4 , 8 , 47 , 94 , 103 , 188 , 206 , 376 , 412 , 824 , 1723 , 3446 , 4841 , 6892 , 9682 , 13784 , 19364 , 38728 , 80981 , 161962 , 177469 , 323924 , 354938 , 647848 , 709876 , 1419752 , 8341043 , 16682086 , 33364172 , 66728344
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
-66728343
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 66728344 can be divided by 32 positive divisors.
The sum of these divisors (counting 66728344) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11111110100011000110011000
3
Ternary
11122120011002011
4
Quaternary
3332203012120
5
Quinary
114040301334
6
Senary
10342115304
8
Octal
376430630
10
Decimal
66728344
12
Duodecimal
1a41bb34
16
Hexadecimal
3fa3198
20
Vigesimal
10h10h4
36
Base36
13q7x4
md5
72203aeada50fee3b81fec84a59344aa
sha1
fc787ac061559ffe800db77e4d092c04806f5957
sha256
00701ae1e38e72c76035fc92ab2dd6aa3bdee01dcc83917c76b1d93aa6e33689
sha512
1b75ae10d0ac987a2e3d42c778c03474099cdcae96a84d17227617e096cfbbc20ddde8aa4cb6e8fc52fec682474f5131de6a96d67aaae7f3af911826a6cc435b
ripemd-160
5282ee0510041aed82bdd9836f33100e2a817d39
Diameter
133456688
Circumference
419266550.59323
Area
1.3988481307839E+16
Volume
1.2445709236627E+24
Surface area
5.5953925231356E+16
Circumference
419266550.59323
Perimeter
266913376
Area
4452671892982336
Diagonal
94368129.079497
Surface area
26716031357894016
Volume
2.9711942179406E+23
Space diagonal
115576882.11293
Perimeter
200185032
Area
1.9280634870198E+15
Altitude
57788441.056467
Surface area
1.9280634870198E+15
Volume
3.5015859662134E+22
Height
31456043.026499