28165723 is an odd 8-digits composite number following 28165722
and preceding 28165724 . In scientific notation, it is written as 2.8165723 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 28123200 positive integers (up to 28165723) that are relatively prime to 28165723.
28165723 has 4 divisors, whose sum is 28208248
The reverse of 28165723 is 32756182
Previous prime number is 673
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-eight million one hundred sixty-five thousand seven hundred twenty-three
Scientific notation
2.8165723 × 10^7
Engineering notation
2.8165723 × 10^6
Prime Factorization
673 × 41851
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28165723
Product of the distinct prime numbers
The prime factorization of 28165723 is 673 × 41851.
Since it has a total of 2 prime factors.
9 , 4 , 98 , 53 , 390 , 632 , 8708 , 1612 , 71116 , 94779 , 243422 , 622667 , 7594907 , 1507827 , 68153260 , 81550794 , 832775843 , 362305327 , 9687386988 , 645985667
n×2
56331446
n×3
84497169
n×4
112662892
n×5
140828615
n÷2
14082861.5
n÷3
9388574.3333333
n÷3
7041430.75
n÷5
5633144.6
n2
793307952112729
n3
2.2344092032904E+22
n4
6.2933750688529E+29
n5
1.7725745892442E+37
2 √n
5307.1388713694
3 √n
304.25680559453
4 √n
72.850112363464
5 √n
30.898982668985
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
-28165722
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 28165723 can be divided by 4 positive divisors.
The sum of these divisors (counting 28165723) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101011011100011001011011
3
Ternary
1221222222002221
4
Quaternary
1223130121123
5
Quinary
24202300343
6
Senary
2443404511
8
Octal
153343133
10
Decimal
28165723
12
Duodecimal
9523737
16
Hexadecimal
1adc65b
20
Vigesimal
8g0e63
36
Base36
grot7
md5
0c30170784b8c0d10f03a8d7f86b7cbd
sha1
1f6e60ac6a84a33e7f7cb9e0fdccb9896240bee0
sha256
115f4c9b694d6fa9625c459df3f119e7d20b41c0c80cecbaee8008d9cfc2a9fc
sha512
026571bdb85f5a3c2c8dab7c7830b9d27231ab527e4c577c86192c47745980c2dbe9e93d0056e596c18f04764686df60dccb3f45941677d1376fb977b8d8225c
ripemd-160
faed59ad714188556bebec7ce8f2c74f02b92c01
Diameter
56331446
Circumference
176970456.91969
Area
2.4922504343917E+15
Volume
9.3594713842276E+22
Surface area
9.9690017375669E+15
Circumference
176970456.91969
Perimeter
112662892
Area
793307952112729
Diagonal
39832347.460644
Surface area
4759847712676374
Volume
2.2344092032904E+22
Space diagonal
48784463.267911
Perimeter
84497169
Area
3.4351241977692E+14
Altitude
24392231.633956
Surface area
3.4351241977692E+14
Volume
2.6332764993205E+21
Height
13277449.153548