28821485 is an odd 8-digits composite number following 28821484
and preceding 28821486 . In scientific notation, it is written as 2.8821485 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 17966400 positive integers (up to 28821485) that are relatively prime to 28821485.
28821485 has 16 divisors, whose sum is 43120512
The reverse of 28821485 is 58412882
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million eight hundred twenty-one thousand four hundred eighty-five
Scientific notation
2.8821485 × 10^7
Engineering notation
2.8821485 × 10^6
Prime Factorization
7 × 5 × 11 × 74861
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28821485
Product of the distinct prime numbers
The prime factorization of 28821485 is 7 × 5 × 11 × 74861.
Since it has a total of 4 prime factors.
5 , 7 , 75 , 81 , 429 , 508 , 1773 , 4949 , 89678 , 55566 , 831270 , 620256 , 8887513 , 1725883 , 11357797 , 81963597 , 688306238 , 820971101 , 5374755820 , 5362586068
n×2
57642970
n×3
86464455
n×4
115285940
n×5
144107425
n÷2
14410742.5
n÷3
9607161.6666667
n÷3
7205371.25
n÷5
5764297
n2
830677997605225
n3
2.3941373447809E+22
n4
6.9002593570543E+29
n5
1.9887572155545E+37
2 √n
5368.5645194968
3 √n
306.59997696541
4 √n
73.270488735212
5 √n
31.041540847396
1 , 5 , 7 , 11 , 35 , 55 , 77 , 385 , 74861 , 374305 , 524027 , 823471 , 2620135 , 4117355 , 5764297 , 28821485
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
-28821484
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 28821485 can be divided by 16 positive divisors.
The sum of these divisors (counting 28821485) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101111100011111101101
3
Ternary
2000020021122102
4
Quaternary
1231330133231
5
Quinary
24334241420
6
Senary
2505424445
8
Octal
155743755
10
Decimal
28821485
12
Duodecimal
979b125
16
Hexadecimal
1b7c7ed
20
Vigesimal
902de5
36
Base36
h5qst
md5
d285275796098fa84b0e6807c0eeb860
sha1
a42f10a39400000808bd05a8736ac8b9b962fa17
sha256
c4110dba0afd5782eb5d001fa5ce79cc169da9e3bb29ad1dfb12d08af80297d2
sha512
e2e66e86ffbfb70327206aebb616d56ea6e51a743600de557364882c5dba63cae9a08f08721b00c11b248f092c9178f47303a22139ec8ce959a0f7c3c1050a06
ripemd-160
03f78e85a1836733ddfd8d8b0c34eb737e46cc28
Diameter
57642970
Circumference
181090731.0831
Area
2.6096518947753E+15
Volume
1.0028539058732E+23
Surface area
1.0438607579101E+16
Circumference
181090731.0831
Perimeter
115285940
Area
830677997605225
Diagonal
40759734.974733
Surface area
4984067985631350
Volume
2.3941373447809E+22
Space diagonal
49920276.369584
Perimeter
86464455
Area
3.5969412414546E+14
Altitude
24960138.184792
Surface area
3.5969412414546E+14
Volume
2.8215179193109E+21
Height
13586578.324911