28168839 is an odd 8-digits composite number following 28168838
and preceding 28168840 . In scientific notation, it is written as 2.8168839 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 18379392 positive integers (up to 28168839) that are relatively prime to 28168839.
28168839 has 12 divisors, whose sum is 41554656
The reverse of 28168839 is 93886182
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-eight million one hundred sixty-eight thousand eight hundred thirty-nine
Scientific notation
2.8168839 × 10^7
Engineering notation
2.8168839 × 10^6
Prime Factorization
3 × 3 × 47 × 66593
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9389613
Product of the distinct prime numbers
The prime factorization of 28168839 is 3 × 3 × 47 × 66593.
Since it has a total of 4 prime factors.
4 , 7 , 58 , 24 , 680 , 34 , 7831 , 4302 , 56230 , 44829 , 472140 , 115909 , 3318409 , 60667 , 90318938 , 78717662 , 507055095 , 532609921 , 1908940602 , 3355718145
n×2
56337678
n×3
84506517
n×4
112675356
n×5
140844195
n÷2
14084419.5
n÷3
9389613
n÷3
7042209.75
n÷5
5633767.8
n2
793483490607921
n3
2.2351508696093E+22
n4
6.2961604986733E+29
n5
1.7735553140529E+37
2 √n
5307.4324300927
3 √n
304.26802525145
4 √n
72.852127148716
5 √n
30.899666315342
1 , 3 , 9 , 47 , 141 , 423 , 66593 , 199779 , 599337 , 3129871 , 9389613 , 28168839
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
-28168838
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 28168839 can be divided by 12 positive divisors.
The sum of these divisors (counting 28168839) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101011011101001010000111
3
Ternary
1222000010101100
4
Quaternary
1223131022013
5
Quinary
24202400324
6
Senary
2443431143
8
Octal
153351207
10
Decimal
28168839
12
Duodecimal
95254b3
16
Hexadecimal
1add287
20
Vigesimal
8g121j
36
Base36
grr7r
md5
a71fc011ccd2e6042b87855acc2a09d9
sha1
3afb60bece44390d7c9b60024b15dd8d4467bab0
sha256
6c0a7a6924c660a019b5e4b67245ca97d1fb65e6e317efd571f0da012b8354f6
sha512
2c9182e76f188dd5e03cd1264bc106748f495f358e40afd229a8afd6f2d2d2b8010d405ac3091c39d6c61f0d191b0b550d6228174f4867f56085a263bff1633c
ripemd-160
8e87836b725de9197b996106e78692f5837cb97a
Diameter
56337678
Circumference
176990035.32511
Area
2.4928019048386E+15
Volume
9.362578068839E+22
Surface area
9.9712076193545E+15
Circumference
176990035.32511
Perimeter
112675356
Area
793483490607921
Diagonal
39836754.150104
Surface area
4760900943647526
Volume
2.2351508696093E+22
Space diagonal
48789860.338228
Perimeter
84506517
Area
3.4358843017501E+14
Altitude
24394930.169114
Surface area
3.4358843017501E+14
Volume
2.6341505614595E+21
Height
13278918.050035