28490986 is an even 8-digits composite number following 28490985
and preceding 28490987 . In scientific notation, it is written as 2.8490986 × 10^7.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 14245492 positive integers (up to 28490986) that are relatively prime to 28490986.
28490986 has 4 divisors, whose sum is 42736482
The reverse of 28490986 is 68909482
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty-eight million four hundred ninety thousand nine hundred eighty-six
Scientific notation
2.8490986 × 10^7
Engineering notation
2.8490986 × 10^6
Prime Factorization
2 × 14245493
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28490986
Product of the distinct prime numbers
The prime factorization of 28490986 is 2 × 14245493.
Since it has a total of 2 prime factors.
3 , 10 , 86 , 28 , 492 , 209 , 9906 , 5804 , 55047 , 75913 , 731534 , 655110 , 9004383 , 9256617 , 1937992 , 26272723 , 28875054 , 295466540 , 9252065282 , 7552886150
n×2
56981972
n×3
85472958
n×4
113963944
n×5
142454930
n÷2
14245493
n÷3
9496995.3333333
n÷3
7122746.5
n÷5
5698197.2
n2
811736283252196
n3
2.312716708183E+22
n4
6.5891579354809E+29
n5
1.8773160649158E+37
2 √n
5337.6948208005
3 √n
305.42353056715
4 √n
73.059529294955
5 √n
30.970020716362
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28490985
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28490986 can be divided by 4 positive divisors.
The sum of these divisors (counting 28490986) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100101011110011101010
3
Ternary
1222121111021201
4
Quaternary
1230223303222
5
Quinary
24243202421
6
Senary
2454354414
8
Octal
154536352
10
Decimal
28490986
12
Duodecimal
965ba0a
16
Hexadecimal
1b2bcea
20
Vigesimal
8i1796
36
Base36
gynsa
md5
229ff6e5b232a2b0979db2de1b18a4ff
sha1
46380f843a8352c7e2443e5cf253c22bd636cc17
sha256
e693b3b1a5c268a13cb02dea31932760087e378ac344a4f32f4da0d078f8f8b5
sha512
ec36b00625d6222d99b86b764fb22b45a7708269875d68570267fcf0b940b90ea650da665864d0d092df7ed09d1c0f07d9013fdd510f80a190e07470669504c5
ripemd-160
0c8945b1859fa93e63a2d8eed4139c62d4e0d7fe
Diameter
56981972
Circumference
179014144.62226
Area
2.5501447441174E+15
Volume
9.6874850936829E+22
Surface area
1.020057897647E+16
Circumference
179014144.62226
Perimeter
113963944
Area
811736283252196
Diagonal
40292338.806582
Surface area
4870417699513176
Volume
2.312716708183E+22
Space diagonal
49347835.309734
Perimeter
85472958
Area
3.5149212123498E+14
Altitude
24673917.654867
Surface area
3.5149212123498E+14
Volume
2.7255627788661E+21
Height
13430779.602194