28396784 is an even 8-digits composite number following 28396783
and preceding 28396785 . In scientific notation, it is written as 2.8396784 × 10^7.
The sum of its digits is 47. It has a total of 6 prime factors and 20 positive divisors.
There are 13106112 positive integers (up to 28396784) that are relatively prime to 28396784.
28396784 has 20 divisors, whose sum is 59251416
The reverse of 28396784 is 48769382
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty-eight million three hundred ninety-six thousand seven hundred eighty-four
Scientific notation
2.8396784 × 10^7
Engineering notation
2.8396784 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 13 × 136523
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3549598
Product of the distinct prime numbers
The prime factorization of 28396784 is 2 × 2 × 2 × 2 × 13 × 136523.
Since it has a total of 6 prime factors.
2 , 7 , 59 , 65 , 329 , 230 , 2042 , 7506 , 26932 , 81477 , 361918 , 77680 , 1021024 , 866689 , 82032376 , 58644128 , 86658916 , 127797109 , 2435930278 , 7111735724
n×2
56793568
n×3
85190352
n×4
113587136
n×5
141983920
n÷2
14198392
n÷3
9465594.6666667
n÷3
7099196
n÷5
5679356.8
n2
806377341542656
n3
2.2898523190281E+22
n4
6.502444169534E+29
n5
1.8464850255432E+37
2 √n
5328.8632934238
3 √n
305.08654356784
4 √n
72.999063647583
5 √n
30.949513851306
1 , 2 , 4 , 8 , 13 , 16 , 26 , 52 , 104 , 208 , 136523 , 273046 , 546092 , 1092184 , 1774799 , 2184368 , 3549598 , 7099196 , 14198392 , 28396784
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28396783
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28396784 can be divided by 20 positive divisors.
The sum of these divisors (counting 28396784) is 1, the average is 0.05.
Base
System
Value
2
Binary
1101100010100110011110000
3
Ternary
1222102201001202
4
Quaternary
1230110303300
5
Quinary
24232144114
6
Senary
2452350332
8
Octal
154246360
10
Decimal
28396784
12
Duodecimal
96153a8
16
Hexadecimal
1b14cf0
20
Vigesimal
8h9bj4
36
Base36
gwn3k
md5
0d107620c90e07708cd3208f13c5c11c
sha1
18d74446f0aefd13f3c070d9089155dab5eb47bd
sha256
574abd3c2824738eb1e9419757d07efea13f3f02f6d1cc6bdb20ddd936ef69ed
sha512
57a5d5d58c4ed58410bfbe59981b0a48efe0bb0eefe58937b205acc218c52901fea71176e203b8c3960c41cc195e00706327191c71b3b0f3e12de1a65a1e8065
ripemd-160
96f9e518ef9dd230a21812df2e3ce45fde8aec9f
Diameter
56793568
Circumference
178422255.99995
Area
2.5333091322117E+15
Volume
9.5917109643523E+22
Surface area
1.0133236528847E+16
Circumference
178422255.99995
Perimeter
113587136
Area
806377341542656
Diagonal
40159117.060579
Surface area
4838264049255936
Volume
2.2898523190281E+22
Space diagonal
49184672.659559
Perimeter
85190352
Area
3.4917163140605E+14
Altitude
24592336.329779
Surface area
3.4917163140605E+14
Volume
2.6986168378342E+21
Height
13386372.353526