28656585 is an odd 8-digits composite number following 28656584
and preceding 28656586 . In scientific notation, it is written as 2.8656585 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 15158016 positive integers (up to 28656585) that are relatively prime to 28656585.
28656585 has 16 divisors, whose sum is 32816400
The reverse of 28656585 is 58565682
Previous prime number is 173
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-eight million six hundred fifty-six thousand five hundred eighty-five
Scientific notation
2.8656585 × 10^7
Engineering notation
2.8656585 × 10^6
Prime Factorization
45 × 9 × 173 × 409
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28656585
Product of the distinct prime numbers
The prime factorization of 28656585 is 45 × 9 × 173 × 409.
Since it has a total of 4 prime factors.
5 , 2 , 93 , 65 , 360 , 284 , 810 , 8667 , 65545 , 1971 , 837527 , 776921 , 555656 , 5137789 , 67167495 , 53194584 , 635927580 , 649019881 , 8977785811 , 6007364725
n×2
57313170
n×3
85969755
n×4
114626340
n×5
143282925
n÷2
14328292.5
n÷3
9552195
n÷3
7164146.25
n÷5
5731317
n2
821199863862225
n3
2.3532783700756E+22
n4
6.7436921640734E+29
n5
1.932511877136E+37
2 √n
5353.1845662185
3 √n
306.01412852874
4 √n
73.165460199595
5 √n
31.005938899179
1 , 9 , 45 , 173 , 405 , 409 , 1557 , 3681 , 7785 , 18405 , 70065 , 70757 , 165645 , 636813 , 3184065 , 28656585
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
-28656584
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 28656585 can be divided by 16 positive divisors.
The sum of these divisors (counting 28656585) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101010100001111001001
3
Ternary
1222220220110000
4
Quaternary
1231110033021
5
Quinary
24314002320
6
Senary
2502113213
8
Octal
155241711
10
Decimal
28656585
12
Duodecimal
971b809
16
Hexadecimal
1b543c9
20
Vigesimal
8j2195
36
Base36
h27k9
md5
6a98cd965b4077642d6e2e240e40b8d5
sha1
cce0b193a99d65f4fc0daddccb83493f37bef8a4
sha256
3925e5fd1cb0d403522fc4feeb2b5834a9e01bf07cac2f28a189024c29a74788
sha512
3b7d5db4df9cac34d92e56690578a66ba19626e8c69b1011e29d20b415944990591c34a03e1ff129f4834e64f9c43b0b99b0d80d779510dbb0c9df90fcc4610f
ripemd-160
df726b670b2ee3d8c19be7d5ef9fbaebb7b4618a
Diameter
57313170
Circumference
180054633.82594
Area
2.5798754594385E+15
Volume
9.8573893857085E+22
Surface area
1.0319501837754E+16
Circumference
180054633.82594
Perimeter
114626340
Area
821199863862225
Diagonal
40526531.158297
Surface area
4927199183173350
Volume
2.3532783700756E+22
Space diagonal
49634661.191416
Perimeter
85969755
Area
3.555899718445E+14
Altitude
24817330.595708
Surface area
3.555899718445E+14
Volume
2.7733651558335E+21
Height
13508843.719432