28162868 is an even 8-digits composite number following 28162867
and preceding 28162869 . In scientific notation, it is written as 2.8162868 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors.
There are 13903032 positive integers (up to 28162868) that are relatively prime to 28162868.
28162868 has 12 divisors, whose sum is 49909440
The reverse of 28162868 is 86826182
Previous prime number is 79
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty-eight million one hundred sixty-two thousand eight hundred sixty-eight
Scientific notation
2.8162868 × 10^7
Engineering notation
2.8162868 × 10^6
Prime Factorization
2 × 2 × 79 × 89123
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14081434
Product of the distinct prime numbers
The prime factorization of 28162868 is 2 × 2 × 79 × 89123.
Since it has a total of 4 prime factors.
7 , 5 , 88 , 97 , 665 , 494 , 8609 , 9655 , 85388 , 39302 , 303772 , 949686 , 9107766 , 7571792 , 28501435 , 71651334 , 808958508 , 758703559 , 4477592306 , 2855177375
n×2
56325736
n×3
84488604
n×4
112651472
n×5
140814340
n÷2
14081434
n÷3
9387622.6666667
n÷3
7040717
n÷5
5632573.6
n2
793147133985424
n3
2.233729803901E+22
n4
6.2908237614929E+29
n5
1.7716763920619E+37
2 √n
5306.8698872311
3 √n
304.24652498345
4 √n
72.848266192347
5 √n
30.898356232571
1 , 2 , 4 , 79 , 158 , 316 , 89123 , 178246 , 356492 , 7040717 , 14081434 , 28162868
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28162867
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28162868 can be divided by 12 positive divisors.
The sum of these divisors (counting 28162868) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101011011011101100110100
3
Ternary
1221222211012012
4
Quaternary
1223123230310
5
Quinary
24202202433
6
Senary
2443343352
8
Octal
153335464
10
Decimal
28162868
12
Duodecimal
9521b58
16
Hexadecimal
1adbb34
20
Vigesimal
8g0738
36
Base36
grmlw
md5
63315266b92b7e5ab224d200739e626a
sha1
338a1c183f51eee9460e0853a93506c7222b94c4
sha256
2eadba25c3df76d42720af3136d445fae7402d28661875115f02295f34971308
sha512
00f68e7d2633016fcb1d53f5f31dc0fc69584ca16bb0858e99db1d1cba2e2b06eea9456d587e609648c87d5a415e02650efcf2d64ed982629d21124e7962b21e
ripemd-160
e096a2740487bb1e73529ac557f7b0ad5b11369e
Diameter
56325736
Circumference
176952518.42564
Area
2.4917452093444E+15
Volume
9.3566255227199E+22
Surface area
9.9669808373776E+15
Circumference
176952518.42564
Perimeter
112651472
Area
793147133985424
Diagonal
39828309.880923
Surface area
4758882803912544
Volume
2.233729803901E+22
Space diagonal
48779518.262856
Perimeter
84488604
Area
3.434427834851E+14
Altitude
24389759.131428
Surface area
3.434427834851E+14
Volume
2.6324758194615E+21
Height
13276103.293641