728438 is an even 6-digits composite number following 728437
and preceding 728439 . In scientific notation, it is written as 7.28438 × 10^5.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 351540 positive integers (up to 728438) that are relatively prime to 728438.
728438 has 12 divisors, whose sum is 1132020
The reverse of 728438 is 834827
Previous prime number is 31
Is Prime? no
Number parity even
Number length 6
Sum of Digits 32
Digital Root 5
Name
seven hundred twenty-eight thousand four hundred thirty-eight
Scientific notation
7.28438 × 10^5
Engineering notation
7.28438 × 10^3
Prime Factorization
2 × 31 × 31 × 379
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
23498
Product of the distinct prime numbers
The prime factorization of 728438 is 2 × 31 × 31 × 379.
Since it has a total of 4 prime factors.
9 , 10 , 23 , 92 , 798 , 459 , 6458 , 3416 , 24598 , 15532 , 561661 , 499468 , 3679828 , 2812944 , 34754777 , 19535515 , 206147138 , 238120317 , 8644120377 , 8368021893
n×2
1456876
n×3
2185314
n×4
2913752
n×5
3642190
n÷2
364219
n÷3
242812.66666667
n÷3
182109.5
n÷5
145687.6
n2
530621919844
n3
386525170047323672
n4
2.8155962181893E+23
n5
2.0509872779854E+29
2 √n
853.48579367204
3 √n
89.976866482275
4 √n
29.214479178518
5 √n
14.87573792973
1 , 2 , 31 , 62 , 379 , 758 , 961 , 1922 , 11749 , 23498 , 364219 , 728438
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-728437
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 728438 can be divided by 12 positive divisors.
The sum of these divisors (counting 728438) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10110001110101110110
3
Ternary
1101000020012
4
Quaternary
2301311312
5
Quinary
141302223
6
Senary
23340222
8
Octal
2616566
10
Decimal
728438
12
Duodecimal
2b1672
16
Hexadecimal
b1d76
20
Vigesimal
4b11i
36
Base36
fm2e
md5
50c4e874dce5ba230eacf0f7ac533f3f
sha1
5db184118fce3ab5102ced0cc2d2a29a607855dc
sha256
4247a6d988e859315efcff12360cb71d30337b9b0523a6a1a62a5b0556e58a7f
sha512
ff34ebe38f7fcf0eb9a1a8e835690e61fd3568139ab4cd6d7abcc3092ef4271f74d35b8c776f97df4e3752713bfa8549cce9566fc263d1e44e361d129f95decd
ripemd-160
6011b18a87b8bc856af99019200bc1ee21ea0bb1
Diameter
1456876
Circumference
4576910.9387913
Area
1666997925215.6
Volume
1.6190728461976E+18
Surface area
6667991700862.5
Circumference
4576910.9387913
Perimeter
2913752
Area
530621919844
Diagonal
1030166.8989479
Surface area
3183731519064
Volume
386525170047323672
Space diagonal
1261691.6261639
Perimeter
2185314
Area
229766031194.89
Altitude
630845.81308193
Surface area
229766031194.89
Volume
4.5552428139958E+16
Height
343388.96631598