28931494 is an even 8-digits composite number following 28931493
and preceding 28931495 . In scientific notation, it is written as 2.8931494 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 13999080 positive integers (up to 28931494) that are relatively prime to 28931494.
28931494 has 8 divisors, whose sum is 44797248
The reverse of 28931494 is 49413982
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-eight million nine hundred thirty-one thousand four hundred ninety-four
Scientific notation
2.8931494 × 10^7
Engineering notation
2.8931494 × 10^6
Prime Factorization
2 × 31 × 466637
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28931494
Product of the distinct prime numbers
The prime factorization of 28931494 is 2 × 31 × 466637.
Since it has a total of 3 prime factors.
7 , 4 , 27 , 65 , 102 , 316 , 1014 , 9156 , 43365 , 96743 , 157692 , 489506 , 2605431 , 6942579 , 60399639 , 4993108 , 941334531 , 44746600 , 7517510183 , 504109364
n×2
57862988
n×3
86794482
n×4
115725976
n×5
144657470
n÷2
14465747
n÷3
9643831.3333333
n÷3
7232873.5
n÷5
5786298.8
n2
837031345072036
n3
2.4216567337764E+22
n4
7.006214726331E+29
n5
2.0270025931756E+37
2 √n
5378.8004238864
3 √n
306.98956982676
4 √n
73.340305588989
5 √n
31.065201301448
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
-28931493
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 28931494 can be divided by 8 positive divisors.
The sum of these divisors (counting 28931494) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101110010111010110100110
3
Ternary
2000102212112211
4
Quaternary
1232113112212
5
Quinary
24401301434
6
Senary
2512034034
8
Octal
156272646
10
Decimal
28931494
12
Duodecimal
983291a
16
Hexadecimal
1b975a6
20
Vigesimal
90g8ee
36
Base36
h83om
md5
9342e6389455218eb753729aa27d6889
sha1
a06cab40cbbc00fb8cd6239480457d262ada89f8
sha256
2d76985ab2bd90b20f8c18bd12cff69e5337a9d2d7983fb277e6daec002a0ad0
sha512
999e2f40ad68acdac9eab6c4ab730855e10aa0e908b026f78bd3120ab868c058a0fe70488a54f330607cef1802fb8d7649f68b918e2c3d5dede9e1a36920359f
ripemd-160
e732b74d951094359fb87ae9c4f710a3a35882b3
Diameter
57862988
Circumference
181781938.01555
Area
2.6296115245027E+15
Volume
1.0143812005797E+23
Surface area
1.0518446098011E+16
Circumference
181781938.01555
Perimeter
115725976
Area
837031345072036
Diagonal
40915311.194516
Surface area
5022188070432216
Volume
2.4216567337764E+22
Space diagonal
50110817.546874
Perimeter
86794482
Area
3.6244520429812E+14
Altitude
25055408.773437
Surface area
3.6244520429812E+14
Volume
2.8539498302655E+21
Height
13638437.064839