28004879 is an odd 8-digits composite number following 28004878
and preceding 28004880 . In scientific notation, it is written as 2.8004879 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 22602240 positive integers (up to 28004879) that are relatively prime to 28004879.
28004879 has 16 divisors, whose sum is 33895680
The reverse of 28004879 is 97840082
Previous prime number is 193
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million four thousand eight hundred seventy-nine
Scientific notation
2.8004879 × 10^7
Engineering notation
2.8004879 × 10^6
Prime Factorization
7 × 19 × 193 × 1091
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28004879
Product of the distinct prime numbers
The prime factorization of 28004879 is 7 × 19 × 193 × 1091.
Since it has a total of 4 prime factors.
1 , 4 , 60 , 64 , 412 , 308 , 417 , 9784 , 95097 , 82650 , 173199 , 357146 , 5544162 , 5269339 , 91994530 , 32571119 , 40904454 , 53172114 , 4760413650 , 2556052454
n×2
56009758
n×3
84014637
n×4
112019516
n×5
140024395
n÷2
14002439.5
n÷3
9334959.6666667
n÷3
7001219.75
n÷5
5600975.8
n2
784273247804641
n3
2.1963477407706E+22
n4
6.1508452722204E+29
n5
1.7225367759625E+37
2 √n
5291.9636242136
3 √n
303.67653368416
4 √n
72.745883898772
5 √n
30.863611252732
1 , 7 , 19 , 133 , 193 , 1091 , 1351 , 3667 , 7637 , 20729 , 25669 , 145103 , 210563 , 1473941 , 4000697 , 28004879
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
-28004878
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 28004879 can be divided by 16 positive divisors.
The sum of these divisors (counting 28004879) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101010110101001000001111
3
Ternary
1221200210110202
4
Quaternary
1222311020033
5
Quinary
24132124004
6
Senary
2440124115
8
Octal
152651017
10
Decimal
28004879
12
Duodecimal
946663b
16
Hexadecimal
1ab520f
20
Vigesimal
8f0c3j
36
Base36
go8pb
md5
2baa684454589e696a42122b27b7c7f0
sha1
8ff7268d8cfc71a5b28d20f95ec78bedf1ef393e
sha256
ab3fe571ae4e5612e58dce114718dda0023cfbdbc7ca68f3a9034c389311dd8b
sha512
750630c16f67c79542fadcd53afd4f2727b4b6e92c848b0e0adfe9b55031286ccb2247368527c73d2edfc586bc310251095e56fe56f45fa4a34424e98945f41d
ripemd-160
bd95725501765aaadf1aa463b447668ba784e8d3
Diameter
56009758
Circumference
175959844.26214
Area
2.4638670737101E+15
Volume
9.2000399028446E+22
Surface area
9.8554682948403E+15
Circumference
175959844.26214
Perimeter
112019516
Area
784273247804641
Diagonal
39604879.694417
Surface area
4705639486827846
Volume
2.1963477407706E+22
Space diagonal
48505873.287819
Perimeter
84014637
Area
3.3960027805367E+14
Altitude
24252936.643909
Surface area
3.3960027805367E+14
Volume
2.5884206355711E+21
Height
13201626.564806