28438982 is an even 8-digits composite number following 28438981
and preceding 28438983 . In scientific notation, it is written as 2.8438982 × 10^7.
The sum of its digits is 44. It has a total of 5 prime factors and 24 positive divisors.
There are 11930880 positive integers (up to 28438982) that are relatively prime to 28438982.
28438982 has 24 divisors, whose sum is 50398200
The reverse of 28438982 is 28983482
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty-eight million four hundred thirty-eight thousand nine hundred eighty-two
Scientific notation
2.8438982 × 10^7
Engineering notation
2.8438982 × 10^6
Prime Factorization
2 × 13 × 11 × 13 × 7649
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2187614
Product of the distinct prime numbers
The prime factorization of 28438982 is 2 × 13 × 11 × 13 × 7649.
Since it has a total of 5 prime factors.
1 , 4 , 58 , 56 , 626 , 577 , 6741 , 9899 , 66224 , 63555 , 791384 , 116713 , 7596491 , 1661843 , 32836518 , 70242947 , 850841013 , 582356519 , 3921175540 , 4560452192
n×2
56877964
n×3
85316946
n×4
113755928
n×5
142194910
n÷2
14219491
n÷3
9479660.6666667
n÷3
7109745.5
n÷5
5687796.4
n2
808775697196324
n3
2.3000757494604E+22
n4
6.541181283754E+29
n5
1.8602453678742E+37
2 √n
5332.8212045783
3 √n
305.23758966547
4 √n
73.026167943952
5 √n
30.958706666796
1 , 2 , 11 , 13 , 22 , 26 , 143 , 169 , 286 , 338 , 1859 , 3718 , 7649 , 15298 , 84139 , 99437 , 168278 , 198874 , 1093807 , 1292681 , 2187614 , 2585362 , 14219491 , 28438982
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
-28438981
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 28438982 can be divided by 24 positive divisors.
The sum of these divisors (counting 28438982) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101100011111000111000110
3
Ternary
1222111211221122
4
Quaternary
1230133013012
5
Quinary
24240021412
6
Senary
2453313542
8
Octal
154370706
10
Decimal
28438982
12
Duodecimal
96358b2
16
Hexadecimal
1b1f1c6
20
Vigesimal
8heh92
36
Base36
gxjnq
md5
da3c599c9c953973410f4c30e2db7e1f
sha1
e888de3aab9022400802c34f39668b7363e047a0
sha256
33e59b59eba732cacb574a8fbf3ab7902ad195ba5252cd13f5a6cde6b55aa9c4
sha512
685ea88405c7c4412309c94165cf54b2d47a62e09ee67a6effbb76550e5cc4b563b24153fc549db9bb5521883175ce0a1038321a05efd3df570bd6e3db65e9d5
ripemd-160
ece859320385aeb9859103b0ea7004abc3e22846
Diameter
56877964
Circumference
178687393.85354
Area
2.5408437887139E+15
Volume
9.6345347696063E+22
Surface area
1.0163375154856E+16
Circumference
178687393.85354
Perimeter
113755928
Area
808775697196324
Diagonal
40218794.044484
Surface area
4852654183177944
Volume
2.3000757494604E+22
Space diagonal
49257761.739537
Perimeter
85316946
Area
3.5021014986774E+14
Altitude
24628880.869768
Surface area
3.5021014986774E+14
Volume
2.7106652661436E+21
Height
13406264.681495