728638306 is an even 9-digits composite number following 728638305
and preceding 728638307 . In scientific notation, it is written as 7.28638306 × 10^8.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 321264000 positive integers (up to 728638306) that are relatively prime to 728638306.
728638306 has 16 divisors, whose sum is 1101679488
The reverse of 728638306 is 603836827
Previous prime number is 181
Is Prime? no
Number parity even
Number length 9
Sum of Digits 43
Digital Root 7
Name
seven hundred twenty-eight million six hundred thirty-eight thousand three hundred six
Scientific notation
7.28638306 × 10^8
Engineering notation
7.28638306 × 10^6
Prime Factorization
2 × 451 × 181 × 4463
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
728638306
Product of the distinct prime numbers
The prime factorization of 728638306 is 2 × 451 × 181 × 4463.
Since it has a total of 4 prime factors.
6 , 6 , 57 , 92 , 466 , 287 , 6406 , 676 , 30652 , 65801 , 569286 , 8540 , 2751387 , 3195214 , 32076817 , 67297088 , 906997768 , 221589649 , 3920735442 , 7559214353
n×2
1457276612
n×3
2185914918
n×4
2914553224
n×5
3643191530
n÷2
364319153
n÷3
242879435.33333
n÷3
182159576.5
n÷5
145727661.2
n2
530913780970549636
n3
3.8684411799844E+26
n4
2.8186944282444E+35
n5
2.0538087333277E+44
2 √n
26993.301131948
3 √n
899.85113010915
4 √n
164.2963819807
5 √n
59.224635953732
1 , 2 , 181 , 362 , 451 , 902 , 4463 , 8926 , 81631 , 163262 , 807803 , 1615606 , 2012813 , 4025626 , 364319153 , 728638306
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
-728638305
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 728638306 can be divided by 16 positive divisors.
The sum of these divisors (counting 728638306) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101011011011100010001101100010
3
Ternary
1212210001122211221
4
Quaternary
223123202031202
5
Quinary
2443012411211
6
Senary
200145125254
8
Octal
5333421542
10
Decimal
728638306
12
Duodecimal
18402982a
16
Hexadecimal
2b6e2362
20
Vigesimal
b7djff6
36
Base36
c1t8wy
md5
5aa712bb09d4bcd7293ac53f7878cb13
sha1
77b2f3593845a7b6c983ea864a8fcec5f45d62f6
sha256
80d028679862c79c28756284d84b58b9885fa7d762ca26b524b4503dbcb9c778
sha512
699a130a400afa573c8bb61807bf60604cde8b2a5011126a66f4f59dec8b67fd0da7a0c6a29fbca97e7b7d834c605b25b8d35b48f86831210a8be238106958b1
ripemd-160
704e7225c40d8c5f40720e15d4b7de621fd558e5
Diameter
1457276612
Circumference
4578169498.5074
Area
1.6679148339867E+18
Volume
1.6204088522511E+27
Surface area
6.6716593359466E+18
Circumference
4578169498.5074
Perimeter
2914553224
Area
530913780970549636
Diagonal
1030450174.4098
Surface area
3185482685823297816
Volume
3.8684411799844E+26
Space diagonal
1262038566.3329
Perimeter
2185914918
Area
2.2989241076987E+17
Altitude
631019283.16646
Surface area
2.2989241076987E+17
Volume
4.5590016516471E+25
Height
343483391.46992