728804920 is an even 9-digits composite number following 728804919
and preceding 728804921 . In scientific notation, it is written as 7.28804920 × 10^8.
The sum of its digits is 40. It has a total of 5 prime factors and 16 positive divisors.
There are 291521952 positive integers (up to 728804920) that are relatively prime to 728804920.
728804920 has 16 divisors, whose sum is 1639811160
The reverse of 728804920 is 029408827
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
seven hundred twenty-eight million eight hundred four thousand nine hundred twenty
Scientific notation
7.28804920 × 10^8
Engineering notation
7.28804920 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 18220123
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
182201230
Product of the distinct prime numbers
The prime factorization of 728804920 is 2 × 2 × 2 × 5 × 18220123.
Since it has a total of 5 prime factors.
1 , 2 , 61 , 55 , 404 , 711 , 6978 , 3477 , 73903 , 65285 , 250422 , 791648 , 7704309 , 3131979 , 76260423 , 95028882 , 345869544 , 472148289 , 8781461357 , 9941003570
n×2
1457609840
n×3
2186414760
n×4
2915219680
n×5
3644024600
n÷2
364402460
n÷3
242934973.33333
n÷3
182201230
n÷5
145760984
n2
531156611416206400
n3
3.8710955169066E+26
n4
2.8212734585115E+35
n5
2.0561579772286E+44
2 √n
26996.387165693
3 √n
899.9197130026
4 √n
164.30577337907
5 √n
59.227344225033
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 18220123 , 36440246 , 72880492 , 91100615 , 145760984 , 182201230 , 364402460 , 728804920
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
-728804919
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 728804920 can be divided by 16 positive divisors.
The sum of these divisors (counting 728804920) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101011011100001010111000111000
3
Ternary
1212210101010101211
4
Quaternary
223130022320320
5
Quinary
2443033224140
6
Senary
200152452504
8
Octal
5334127070
10
Decimal
728804920
12
Duodecimal
1840aa134
16
Hexadecimal
2b70ae38
20
Vigesimal
b7f0c60
36
Base36
c1wth4
md5
344560ff4d3bd4183ec233cf9a9d8f48
sha1
8c2f6eef6cec43ad7fc604f13e6eeacc4dfc2e43
sha256
da6771634c0056e8d7be82001346d6118f20b73d1bbace2f7cfa86ce2bff3dde
sha512
34327793a4457522da3e58050bcc10bc114dbc4e3fb5149290c36f8c4a4ca856a5910255177419007fa3a2141f990a0cd462f99fe60556748871a8e6932193ec
ripemd-160
0d1332e9c2d2917f101467871be0711ef499f796
Diameter
1457609840
Circumference
4579216365.1442
Area
1.6686777083308E+18
Volume
1.6215206983011E+27
Surface area
6.6747108333232E+18
Circumference
4579216365.1442
Perimeter
2915219680
Area
531156611416206400
Diagonal
1030685802.1882
Surface area
3186939668497238400
Volume
3.8710955169066E+26
Space diagonal
1262327150.2462
Perimeter
2186414760
Area
2.2999755943725E+17
Altitude
631163575.12309
Surface area
2.2999755943725E+17
Volume
4.5621298177092E+25
Height
343561934.06275