28931772 is an even 8-digits composite number following 28931771
and preceding 28931773 . In scientific notation, it is written as 2.8931772 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 9618048 positive integers (up to 28931772) that are relatively prime to 28931772.
28931772 has 24 divisors, whose sum is 67688656
The reverse of 28931772 is 27713982
Previous prime number is 397
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million nine hundred thirty-one thousand seven hundred seventy-two
Scientific notation
2.8931772 × 10^7
Engineering notation
2.8931772 × 10^6
Prime Factorization
2 × 2 × 3 × 397 × 6073
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
14465886
Product of the distinct prime numbers
The prime factorization of 28931772 is 2 × 2 × 3 × 397 × 6073.
Since it has a total of 5 prime factors.
7 , 8 , 66 , 44 , 854 , 165 , 1354 , 2308 , 22172 , 17607 , 752059 , 634458 , 1297728 , 624276 , 26428818 , 80035751 , 60264828 , 54993539 , 4041535184 , 6400972959
n×2
57863544
n×3
86795316
n×4
115727088
n×5
144658860
n÷2
14465886
n÷3
9643924
n÷3
7232943
n÷5
5786354.4
n2
837047431059984
n3
2.4217265428613E+22
n4
7.0064840184412E+29
n5
2.0270999814318E+37
2 √n
5378.8262660175
3 √n
306.99055310156
4 √n
73.340481768376
5 √n
31.065261001737
1 , 2 , 3 , 4 , 6 , 12 , 397 , 794 , 1191 , 1588 , 2382 , 4764 , 6073 , 12146 , 18219 , 24292 , 36438 , 72876 , 2410981 , 4821962 , 7232943 , 9643924 , 14465886 , 28931772
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28931771
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28931772 can be divided by 24 positive divisors.
The sum of these divisors (counting 28931772) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101110010111011010111100
3
Ternary
2000102212221010
4
Quaternary
1232113122330
5
Quinary
24401304042
6
Senary
2512035220
8
Octal
156273274
10
Decimal
28931772
12
Duodecimal
9832b10
16
Hexadecimal
1b976bc
20
Vigesimal
90g98c
36
Base36
h83wc
md5
ae478bc55f522d8a1fefe2752b8aed93
sha1
db40ec9a6431386f58f279e0751efc0eea766871
sha256
427f465d5a0a2ca271ccd2f2fbc5f4208d1efba954bfb9f65f6d8023fb2ecfa4
sha512
05fab5ca74af8cb41c1f0709c24db5b3a4cf939e694cb463c2eef916e10041e04b7ccb2351646c8f7a77e7b7a5368e6db337ee74281f937df927fbeaa24b4d8e
ripemd-160
e4746bf49e497e1ca46cfd3164b4e7f4b7ac35b0
Diameter
57863544
Circumference
181783684.74107
Area
2.6296620601243E+15
Volume
1.0144104421409E+23
Surface area
1.0518648240497E+16
Circumference
181783684.74107
Perimeter
115727088
Area
837047431059984
Diagonal
40915704.345886
Surface area
5022284586359904
Volume
2.4217265428613E+22
Space diagonal
50111299.056999
Perimeter
86795316
Area
3.6245216973522E+14
Altitude
25055649.528499
Surface area
3.6245216973522E+14
Volume
2.8540321010612E+21
Height
13638568.115295