28105742 is an even 8-digits composite number following 28105741
and preceding 28105743 . In scientific notation, it is written as 2.8105742 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 12045312 positive integers (up to 28105742) that are relatively prime to 28105742.
28105742 has 8 divisors, whose sum is 48181296
The reverse of 28105742 is 24750182
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-eight million one hundred five thousand seven hundred forty-two
Scientific notation
2.8105742 × 10^7
Engineering notation
2.8105742 × 10^6
Prime Factorization
2 × 7 × 2007553
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28105742
Product of the distinct prime numbers
The prime factorization of 28105742 is 2 × 7 × 2007553.
Since it has a total of 3 prime factors.
2 , 6 , 50 , 30 , 891 , 194 , 1731 , 3928 , 28207 , 23305 , 131962 , 961384 , 48001 , 2699975 , 40249445 , 73442812 , 308651801 , 958286915 , 4345402137 , 4887668785
n×2
56211484
n×3
84317226
n×4
112422968
n×5
140528710
n÷2
14052871
n÷3
9368580.6666667
n÷3
7026435.5
n÷5
5621148.4
n2
789932733370564
n3
2.2201645601468E+22
n4
6.2399372325029E+29
n5
1.7537806595292E+37
2 √n
5301.4848863314
3 √n
304.04067293983
4 √n
72.811296419796
5 √n
30.885811108362
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28105741
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28105742 can be divided by 8 positive divisors.
The sum of these divisors (counting 28105742) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011001101110000001110
3
Ternary
1221212220211102
4
Quaternary
1223031300032
5
Quinary
24143340432
6
Senary
2442223102
8
Octal
153156016
10
Decimal
28105742
12
Duodecimal
94b4a92
16
Hexadecimal
1acdc0e
20
Vigesimal
8fd472
36
Base36
gqej2
md5
b29f2f37552e20dac5d8bdf1d525aad1
sha1
2ac46b21a018782f10dfcff89ec601284ba9e8e9
sha256
9f0c0d5aaaddc41ed1a0a401074a8e9933b8b40dde442a8c67f6d2f298239845
sha512
f40f9d551fc19e8f47ecf4f2938cadbf0b2dd58e1fb47970d2241d87f539fe38e869ea244f85bc23c2eae2186422ef1b8c9d86fb4cea89aac4086a09b21af5e2
ripemd-160
4d0cf18ae9a49b7e1a0b80858a93f66b7d8cb39b
Diameter
56211484
Circumference
176593585.18178
Area
2.4816468719871E+15
Volume
9.2998035625567E+22
Surface area
9.9265874879483E+15
Circumference
176593585.18178
Perimeter
112422968
Area
789932733370564
Diagonal
39747521.516959
Surface area
4739596400223384
Volume
2.2201645601468E+22
Space diagonal
48680573.128423
Perimeter
84317226
Area
3.4205090718989E+14
Altitude
24340286.564211
Surface area
3.4205090718989E+14
Volume
2.6164890263831E+21
Height
13249173.838986