28771284 is an even 8-digits composite number following 28771283
and preceding 28771285 . In scientific notation, it is written as 2.8771284 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 9534304 positive integers (up to 28771284) that are relatively prime to 28771284.
28771284 has 24 divisors, whose sum is 67525920
The reverse of 28771284 is 48217782
Previous prime number is 173
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million seven hundred seventy-one thousand two hundred eighty-four
Scientific notation
2.8771284 × 10^7
Engineering notation
2.8771284 × 10^6
Prime Factorization
2 × 2 × 3 × 173 × 13859
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
14385642
Product of the distinct prime numbers
The prime factorization of 28771284 is 2 × 2 × 3 × 173 × 13859.
Since it has a total of 5 prime factors.
6 , 9 , 41 , 42 , 317 , 885 , 9659 , 1835 , 11156 , 54040 , 240491 , 907647 , 4055381 , 2190628 , 60944217 , 69876595 , 665931072 , 140583454 , 1863570854 , 3454793660
n×2
57542568
n×3
86313852
n×4
115085136
n×5
143856420
n÷2
14385642
n÷3
9590428
n÷3
7192821
n÷5
5754256.8
n2
827786783008656
n3
2.3816488625388E+22
n4
6.8523095812382E+29
n5
1.9714974501773E+37
2 √n
5363.8870234187
3 √n
306.42186249708
4 √n
73.238562406827
5 √n
31.030719730909
1 , 2 , 3 , 4 , 6 , 12 , 173 , 346 , 519 , 692 , 1038 , 2076 , 13859 , 27718 , 41577 , 55436 , 83154 , 166308 , 2397607 , 4795214 , 7192821 , 9590428 , 14385642 , 28771284
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28771283
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28771284 can be divided by 24 positive divisors.
The sum of these divisors (counting 28771284) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101101110000001111010100
3
Ternary
2000010201210010
4
Quaternary
1231300033110
5
Quinary
24331140114
6
Senary
2504400220
8
Octal
155601724
10
Decimal
28771284
12
Duodecimal
9776070
16
Hexadecimal
1b703d4
20
Vigesimal
8jg844
36
Base36
h4o2c
md5
03e4e6e0a23a30e0356d1025fd15e1e7
sha1
de7c7d1ef59296641fee7170942af41f154c8ab4
sha256
b55edffb4e644e98b30024ad34366586dccb5805c1521b4b750622c21360c627
sha512
5f64000660a1503996835bd8c434a89989f78c5c0d2b00c99eecc677436e4bfca5acf219401349f0ef7397491fefab371a88835b38f8bc3d29fc40521c29571c
ripemd-160
82ec4a756f66312c128bbb7eab3db784ffcf21b5
Diameter
57542568
Circumference
180775308.89749
Area
2.6005688762387E+15
Volume
9.9762274266433E+22
Surface area
1.0402275504955E+16
Circumference
180775308.89749
Perimeter
115085136
Area
827786783008656
Diagonal
40688740.039688
Surface area
4966720698051936
Volume
2.3816488625388E+22
Space diagonal
49833325.686994
Perimeter
86313852
Area
3.5844219150125E+14
Altitude
24916662.843497
Surface area
3.5844219150125E+14
Volume
2.8068001018441E+21
Height
13562913.346563