28396887 is an odd 8-digits composite number following 28396886
and preceding 28396888 . In scientific notation, it is written as 2.8396887 × 10^7.
The sum of its digits is 51. It has a total of 5 prime factors and 32 positive divisors.
There are 16853760 positive integers (up to 28396887) that are relatively prime to 28396887.
28396887 has 32 divisors, whose sum is 42336000
The reverse of 28396887 is 78869382
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
twenty-eight million three hundred ninety-six thousand eight hundred eighty-seven
Scientific notation
2.8396887 × 10^7
Engineering notation
2.8396887 × 10^6
Prime Factorization
3 × 19 × 29 × 41 × 419
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
28396887
Product of the distinct prime numbers
The prime factorization of 28396887 is 3 × 19 × 29 × 41 × 419.
Since it has a total of 5 prime factors.
5 , 8 , 78 , 61 , 274 , 257 , 3038 , 4711 , 82176 , 3434 , 823223 , 593767 , 4224329 , 3974200 , 67347239 , 68428219 , 597840999 , 146886946 , 1250073815 , 2685821686
n×2
56793774
n×3
85190661
n×4
113587548
n×5
141984435
n÷2
14198443.5
n÷3
9465629
n÷3
7099221.75
n÷5
5679377.4
n2
806383191290769
n3
2.2898772361783E+22
n4
6.5025385119628E+29
n5
1.8465185133736E+37
2 √n
5328.8729577651
3 √n
305.08691243445
4 √n
72.99912984252
5 √n
30.949536303111
1 , 3 , 19 , 29 , 41 , 57 , 87 , 123 , 419 , 551 , 779 , 1189 , 1257 , 1653 , 2337 , 3567 , 7961 , 12151 , 17179 , 22591 , 23883 , 36453 , 51537 , 67773 , 230869 , 326401 , 498191 , 692607 , 979203 , 1494573 , 9465629 , 28396887
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28396886
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28396887 can be divided by 32 positive divisors.
The sum of these divisors (counting 28396887) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101100010100110101010111
3
Ternary
1222102201012120
4
Quaternary
1230110311113
5
Quinary
24232200022
6
Senary
2452351023
8
Octal
154246527
10
Decimal
28396887
12
Duodecimal
9615473
16
Hexadecimal
1b14d57
20
Vigesimal
8h9c47
36
Base36
gwn6f
md5
bcdfe0c76c4e35c34a05b488921165b2
sha1
717338ef5c2348dc622eb3cc2ad05871210f03a9
sha256
d87f43f4dcc7df8a89299cf1835a48a5e8bcacf8d4751f07a9cd918db268e6a5
sha512
7dbb04886c93e7b98fcd282bab802fa47398c4d2f429d3db43b6e2f184a18fcd640b5707a4b958672017c267134c24e6254b93437ad14cce1d7e5632e6e08190
ripemd-160
41fed223df3a12433bce6f98c46694e65bdedd28
Diameter
56793774
Circumference
178422903.16804
Area
2.5333275097374E+15
Volume
9.5918153370671E+22
Surface area
1.0133310038949E+16
Circumference
178422903.16804
Perimeter
113587548
Area
806383191290769
Diagonal
40159262.724576
Surface area
4838299147744614
Volume
2.2898772361783E+22
Space diagonal
49184851.060792
Perimeter
85190661
Area
3.4917416442129E+14
Altitude
24592425.530396
Surface area
3.4917416442129E+14
Volume
2.6986462029774E+21
Height
13386420.908192