28893886 is an even 8-digits composite number following 28893885
and preceding 28893887 . In scientific notation, it is written as 2.8893886 × 10^7.
The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors.
There are 12365280 positive integers (up to 28893886) that are relatively prime to 28893886.
28893886 has 16 divisors, whose sum is 49603680
The reverse of 28893886 is 68839882
Previous prime number is 1109
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
twenty-eight million eight hundred ninety-three thousand eight hundred eighty-six
Scientific notation
2.8893886 × 10^7
Engineering notation
2.8893886 × 10^6
Prime Factorization
2 × 7 × 1109 × 1861
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28893886
Product of the distinct prime numbers
The prime factorization of 28893886 is 2 × 7 × 1109 × 1861.
Since it has a total of 4 prime factors.
7 , 1 , 15 , 13 , 501 , 772 , 9201 , 3544 , 23146 , 87720 , 52980 , 122062 , 5550800 , 7676778 , 59688988 , 2429894 , 4064235 , 138698373 , 401713999 , 6528190165
n×2
57787772
n×3
86681658
n×4
115575544
n×5
144469430
n÷2
14446943
n÷3
9631295.3333333
n÷3
7223471.5
n÷5
5778777.2
n2
834856648180996
n3
2.4122252818884E+22
n4
6.9698562301201E+29
n5
2.0138623134948E+37
2 √n
5375.3033402776
3 √n
306.85649374118
4 √n
73.316460227412
5 √n
31.05712077831
1 , 2 , 7 , 14 , 1109 , 1861 , 2218 , 3722 , 7763 , 13027 , 15526 , 26054 , 2063849 , 4127698 , 14446943 , 28893886
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
-28893885
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 28893886 can be divided by 16 positive divisors.
The sum of these divisors (counting 28893886) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110001110001010111110
3
Ternary
2000100221221221
4
Quaternary
1232032022332
5
Quinary
24344101021
6
Senary
2511143554
8
Octal
156161276
10
Decimal
28893886
12
Duodecimal
9814bba
16
Hexadecimal
1b8e2be
20
Vigesimal
90bee6
36
Base36
h7any
md5
b2b4941de78886c023c8c378a284d054
sha1
c99eed77eafb940c97b4595f6899152c3e153c33
sha256
cf80928de4c3a6378097ce8b18129016f623c5872e4ff341210ae7ae0b863637
sha512
d753c6cacb37781ea7d15ee10068fca0743de5c27975664611e8a0ed7bfcfeabf616eb590275cac2da1c38275848caa7dd99758822e9db7d146b80c58f98f628
ripemd-160
2ff0ea7d6b072e519821fc580bab68b276223631
Diameter
57787772
Circumference
181545639.98252
Area
2.622779512726E+15
Volume
1.0104305632512E+23
Surface area
1.0491118050904E+16
Circumference
181545639.98252
Perimeter
115575544
Area
834856648180996
Diagonal
40862125.450862
Surface area
5009139889085976
Volume
2.4122252818884E+22
Space diagonal
50045678.580103
Perimeter
86681658
Area
3.6150353292154E+14
Altitude
25022839.290052
Surface area
3.6150353292154E+14
Volume
2.8428347576215E+21
Height
13620708.483621