28995785 is an odd 8-digits composite number following 28995784
and preceding 28995786 . In scientific notation, it is written as 2.8995785 × 10^7.
The sum of its digits is 53. It has a total of 4 prime factors and 16 positive divisors.
There are 18353088 positive integers (up to 28995785) that are relatively prime to 28995785.
28995785 has 16 divisors, whose sum is 42825216
The reverse of 28995785 is 58759982
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8
Name
twenty-eight million nine hundred ninety-five thousand seven hundred eighty-five
Scientific notation
2.8995785 × 10^7
Engineering notation
2.8995785 × 10^6
Prime Factorization
5 × 13 × 7 × 63727
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28995785
Product of the distinct prime numbers
The prime factorization of 28995785 is 5 × 13 × 7 × 63727.
Since it has a total of 4 prime factors.
6 , 10 , 16 , 22 , 617 , 646 , 2812 , 6391 , 60824 , 86202 , 473186 , 723006 , 7670983 , 3243538 , 52262465 , 75911399 , 699141336 , 456508924 , 9354292204 , 7072174161
n×2
57991570
n×3
86987355
n×4
115983140
n×5
144978925
n÷2
14497892.5
n÷3
9665261.6666667
n÷3
7248946.25
n÷5
5799157
n2
840755547766225
n3
2.4378367100587E+22
n4
7.0686989109969E+29
n5
2.04962473853E+37
2 √n
5384.773439988
3 √n
307.21679700207
4 √n
73.381015528459
5 √n
31.078995542099
1 , 5 , 7 , 13 , 35 , 65 , 91 , 455 , 63727 , 318635 , 446089 , 828451 , 2230445 , 4142255 , 5799157 , 28995785
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28995784
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28995785 can be divided by 16 positive divisors.
The sum of these divisors (counting 28995785) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110100111000011001001
3
Ternary
2000120010201222
4
Quaternary
1232213003021
5
Quinary
24410331120
6
Senary
2513251425
8
Octal
156470311
10
Decimal
28995785
12
Duodecimal
9863b75
16
Hexadecimal
1ba70c9
20
Vigesimal
914995
36
Base36
h9hah
md5
386c035a84f6aec7b4f5162d0977abc5
sha1
e34b64ff5883d3102353acfe2b3bc23a5c7b9d76
sha256
f15b242d973a9fdc3804b9a1a01e6e3a7e7efbb378a2f366cfa634181907b25a
sha512
24d6cc14feda46892a9f055910f3d153d8125b570acea7d2ed677200fabf4427ce7017309ebf89f7239bb0dde338590ae0f1f18f72a3411527948acba1b24076
ripemd-160
41f985fdc56c69bec1f5fc0583a713a291f27f69
Diameter
57991570
Circumference
182185890.28214
Area
2.6413114523272E+15
Volume
1.0211586531962E+23
Surface area
1.0565245809309E+16
Circumference
182185890.28214
Perimeter
115983140
Area
840755547766225
Diagonal
41006232.398654
Surface area
5044533286597350
Volume
2.4378367100587E+22
Space diagonal
50222172.825344
Perimeter
86987355
Area
3.6405783136913E+14
Altitude
25111086.412672
Surface area
3.6405783136913E+14
Volume
2.87301811518E+21
Height
13668744.132885