28493642 is an even 8-digits composite number following 28493641
and preceding 28493643 . In scientific notation, it is written as 2.8493642 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 13576992 positive integers (up to 28493642) that are relatively prime to 28493642.
28493642 has 16 divisors, whose sum is 44763840
The reverse of 28493642 is 24639482
Previous prime number is 313
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million four hundred ninety-three thousand six hundred forty-two
Scientific notation
2.8493642 × 10^7
Engineering notation
2.8493642 × 10^6
Prime Factorization
2 × 23 × 313 × 1979
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28493642
Product of the distinct prime numbers
The prime factorization of 28493642 is 2 × 23 × 313 × 1979.
Since it has a total of 4 prime factors.
7 , 9 , 61 , 78 , 310 , 245 , 2605 , 4446 , 90357 , 29554 , 193372 , 803577 , 3836386 , 3250258 , 87325980 , 48515271 , 30016132 , 33468188 , 4284847996 , 2612759399
n×2
56987284
n×3
85480926
n×4
113974568
n×5
142468210
n÷2
14246821
n÷3
9497880.6666667
n÷3
7123410.5
n÷5
5698728.4
n2
811887634424164
n3
2.3133635599509E+22
n4
6.5916153093086E+29
n5
1.8781912682516E+37
2 √n
5337.9436115418
3 √n
305.43302105058
4 √n
73.061231932823
5 √n
30.970598115178
1 , 2 , 23 , 46 , 313 , 626 , 1979 , 3958 , 7199 , 14398 , 45517 , 91034 , 619427 , 1238854 , 14246821 , 28493642
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
-28493641
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 28493642 can be divided by 16 positive divisors.
The sum of these divisors (counting 28493642) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100101100011101001010
3
Ternary
1222121121221002
4
Quaternary
1230230131022
5
Quinary
24243244032
6
Senary
2454415002
8
Octal
154543512
10
Decimal
28493642
12
Duodecimal
9661462
16
Hexadecimal
1b2c74a
20
Vigesimal
8i1e22
36
Base36
gypu2
md5
3e634380bd2e81fb07b18faa22605d3c
sha1
96ef729cad178ba20cd086a46ae44edf22246cc5
sha256
cc768d401f4fa7ccb97157a8c92b6b1a8129972fd32b5726050a05e08da3e2cd
sha512
00c36d5bcfb15544523356737926d4a9c71fa60fbf028d6a3067965d652efc9389840afd164b2db7b715552da2f0a28efa0cc70b701c89fee711c479aeb363b9
ripemd-160
a23516bab44373211c08a7cf7c9c05f1a9773b18
Diameter
56987284
Circumference
179030832.76244
Area
2.5506202278473E+15
Volume
9.6901946200321E+22
Surface area
1.0202480911389E+16
Circumference
179030832.76244
Perimeter
113974568
Area
811887634424164
Diagonal
40296094.957804
Surface area
4871325806544984
Volume
2.3133635599509E+22
Space diagonal
49352435.636678
Perimeter
85480926
Area
3.5155765821489E+14
Altitude
24676217.818339
Surface area
3.5155765821489E+14
Volume
2.7263251009852E+21
Height
13432031.652601