28493913 is an odd 8-digits composite number following 28493912
and preceding 28493914 . In scientific notation, it is written as 2.8493913 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 15974400 positive integers (up to 28493913) that are relatively prime to 28493913.
28493913 has 8 divisors, whose sum is 30415176
The reverse of 28493913 is 31939482
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million four hundred ninety-three thousand nine hundred thirteen
Scientific notation
2.8493913 × 10^7
Engineering notation
2.8493913 × 10^6
Prime Factorization
21 × 53 × 25601
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28493913
Product of the distinct prime numbers
The prime factorization of 28493913 is 21 × 53 × 25601.
Since it has a total of 3 prime factors.
6 , 10 , 87 , 6 , 408 , 162 , 8625 , 8239 , 6599 , 56418 , 172877 , 686150 , 6325710 , 1352359 , 17348112 , 46757667 , 284242818 , 929626190 , 817713576 , 7850383516
n×2
56987826
n×3
85481739
n×4
113975652
n×5
142469565
n÷2
14246956.5
n÷3
9497971
n÷3
7123478.25
n÷5
5698782.6
n2
811903078051569
n3
2.3134295670434E+22
n4
6.5918660814961E+29
n5
1.878280586338E+37
2 √n
5337.9689957886
3 √n
305.43398936117
4 √n
73.061405651606
5 √n
30.970657026567
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28493912
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28493913 can be divided by 8 positive divisors.
The sum of these divisors (counting 28493913) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101100101100100001011001
3
Ternary
1222121122022010
4
Quaternary
1230230201121
5
Quinary
24243301123
6
Senary
2454420133
8
Octal
154544131
10
Decimal
28493913
12
Duodecimal
9661649
16
Hexadecimal
1b2c859
20
Vigesimal
8i1efd
36
Base36
gyq1l
md5
5fd85edb6f365360b6cae0994f06b228
sha1
738fe482a30fafea7c1b4aa858e2c99948e25631
sha256
3545055fb4962b7b64f82559e907e49b124feea6efba77402b56d646ba808b0b
sha512
42efba48fbfa08a5ad98a5659711cb7547a4aa79b900a3be22fe53eb649b5f2fee369e1e86fe045a4b30b11cde6560a67cb4979ccaf7877d23f78af0abee9c11
ripemd-160
755c4de793cede4b9928729350db9c919f44c75b
Diameter
56987826
Circumference
179032535.50565
Area
2.5506687454337E+15
Volume
9.6904711098945E+22
Surface area
1.0202674981735E+16
Circumference
179032535.50565
Perimeter
113975652
Area
811903078051569
Diagonal
40296478.209679
Surface area
4871418468309414
Volume
2.3134295670434E+22
Space diagonal
49352905.022447
Perimeter
85481739
Area
3.5156434550172E+14
Altitude
24676452.511224
Surface area
3.5156434550172E+14
Volume
2.7264028910897E+21
Height
13432159.403226