28289942 is an even 8-digits composite number following 28289941
and preceding 28289943 . In scientific notation, it is written as 2.8289942 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 14144970 positive integers (up to 28289942) that are relatively prime to 28289942.
28289942 has 4 divisors, whose sum is 42434916
The reverse of 28289942 is 24998282
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty-eight million two hundred eighty-nine thousand nine hundred forty-two
Scientific notation
2.8289942 × 10^7
Engineering notation
2.8289942 × 10^6
Prime Factorization
2 × 14144971
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28289942
Product of the distinct prime numbers
The prime factorization of 28289942 is 2 × 14144971.
Since it has a total of 2 prime factors.
7 , 10 , 54 , 1 , 943 , 66 , 594 , 689 , 56523 , 7788 , 814330 , 453705 , 5490259 , 8900946 , 36102040 , 46818681 , 479883374 , 930731599 , 5430358192 , 9245957344
n×2
56579884
n×3
84869826
n×4
113159768
n×5
141449710
n÷2
14144971
n÷3
9429980.6666667
n÷3
7072485.5
n÷5
5657988.4
n2
800320818363364
n3
2.2641029532892E+22
n4
6.405134123058E+29
n5
1.8120087284353E+37
2 √n
5318.8290064637
3 √n
304.70343653834
4 √n
72.930302388402
5 √n
30.926189408816
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28289941
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28289942 can be divided by 4 positive divisors.
The sum of these divisors (counting 28289942) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101011111010101110010110
3
Ternary
1222020021111122
4
Quaternary
1223322232112
5
Quinary
24220234232
6
Senary
2450203542
8
Octal
153725626
10
Decimal
28289942
12
Duodecimal
95835b2
16
Hexadecimal
1afab96
20
Vigesimal
8gg4h2
36
Base36
gucnq
md5
48c3660f01d548bc98fde0d31a4cbcec
sha1
bfeb6a18d18f99b5febd8ef94e302c1f1849fb67
sha256
f30732781b4a7f2a0a3c53522202476b7dee0c727b231f433e185dfd8ef1a5b4
sha512
16bea60da3e02056932725761cff8cd5dbdf39f12aa68677ab145eb2e1c432e964c0471a492f39ea386f8ff2a5dc6c52986c2bb110a1dea40d4aa5324b1358b5
ripemd-160
74b96016cf0d058331981b34e6ac79498a1e6c27
Diameter
56579884
Circumference
177750947.91536
Area
2.5142820034853E+15
Volume
9.4838522733658E+22
Surface area
1.0057128013941E+16
Circumference
177750947.91536
Perimeter
113159768
Area
800320818363364
Diagonal
40008019.655148
Surface area
4801924910180184
Volume
2.2641029532892E+22
Space diagonal
48999616.887177
Perimeter
84869826
Area
3.4654907994011E+14
Altitude
24499808.443588
Surface area
3.4654907994011E+14
Volume
2.6682709192921E+21
Height
13336006.551716