28931628 is an even 8-digits composite number following 28931627
and preceding 28931629 . In scientific notation, it is written as 2.8931628 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 8702400 positive integers (up to 28931628) that are relatively prime to 28931628.
28931628 has 24 divisors, whose sum is 52550400
The reverse of 28931628 is 82613982
Previous prime number is 149
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 six hundred twenty-eight
Scientific notation
2.8931628 × 10^7
Engineering notation
2.8931628 × 10^6
Prime Factorization
2 × 2 × 33 × 149 × 1471
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
14465814
Product of the distinct prime numbers
The prime factorization of 28931628 is 2 × 2 × 33 × 149 × 1471.
Since it has a total of 5 prime factors.
6 , 8 , 40 , 7 , 835 , 856 , 9051 , 2865 , 87646 , 12900 , 663223 , 756947 , 7554382 , 5224390 , 53902436 , 46841476 , 697874230 , 63199179 , 2072140453 , 9623052509
n×2
57863256
n×3
86794884
n×4
115726512
n×5
144658140
n÷2
14465814
n÷3
9643876
n÷3
7232907
n÷5
5786325.6
n2
837039098730384
n3
2.4216903825923E+22
n4
7.0063445280337E+29
n5
2.0270495352491E+37
2 √n
5378.8128801809
3 √n
306.99004378015
4 √n
73.340390510147
5 √n
31.065230077903
1 , 2 , 4 , 33 , 66 , 132 , 149 , 298 , 596 , 1471 , 2942 , 4917 , 5884 , 9834 , 19668 , 48543 , 97086 , 194172 , 219179 , 438358 , 876716 , 7232907 , 14465814 , 28931628
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
-28931627
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 28931628 can be divided by 24 positive divisors.
The sum of these divisors (counting 28931628) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101110010111011000101100
3
Ternary
2000102212201210
4
Quaternary
1232113120230
5
Quinary
24401303003
6
Senary
2512034420
8
Octal
156273054
10
Decimal
28931628
12
Duodecimal
9832a10
16
Hexadecimal
1b9762c
20
Vigesimal
90g918
36
Base36
h83sc
md5
23cd9a6ad58ae91be02a7833d1fcc020
sha1
b53f1362b1c5bf546c846bb356a38130bd630df2
sha256
3f10c171c11517e4107cd3cc44e01124542753b97219336ba855e21533d1c52d
sha512
4486f5240c32b4f57aeabaa2dfc63a65d42ef502f405fbbb5297030cd661a1685460515a3f961aecbcd7c98f743e8e8732814d638e491e1bdbdc78e66030ccd5
ripemd-160
01b3af6509e884fb21419e4a38048a246f33a791
Diameter
57863256
Circumference
181782779.96239
Area
2.6296358833388E+15
Volume
1.0143952953628E+23
Surface area
1.0518543533355E+16
Circumference
181782779.96239
Perimeter
115726512
Area
837039098730384
Diagonal
40915500.699133
Surface area
5022234592382304
Volume
2.4216903825923E+22
Space diagonal
50111049.641682
Perimeter
86794884
Area
3.6244856173067E+14
Altitude
25055524.820841
Surface area
3.6244856173067E+14
Volume
2.8539894857754E+21
Height
13638500.233044