728804931 is an odd 9-digits composite number following 728804930
and preceding 728804932 . In scientific notation, it is written as 7.28804931 × 10^8.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 485869952 positive integers (up to 728804931) that are relatively prime to 728804931.
728804931 has 4 divisors, whose sum is 971739912
The reverse of 728804931 is 139408827
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
seven hundred twenty-eight million eight hundred four thousand nine hundred thirty-one
Scientific notation
7.28804931 × 10^8
Engineering notation
7.28804931 × 10^6
Prime Factorization
3 × 242934977
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
728804931
Product of the distinct prime numbers
The prime factorization of 728804931 is 3 × 242934977.
Since it has a total of 2 prime factors.
2 , 3 , 31 , 20 , 702 , 127 , 2776 , 3197 , 46198 , 53718 , 541714 , 159791 , 9066530 , 100415 , 85553823 , 22963366 , 894452307 , 643234562 , 7961888686 , 6509711480
n×2
1457609862
n×3
2186414793
n×4
2915219724
n×5
3644024655
n÷2
364402465.5
n÷3
242934977
n÷3
182201232.75
n÷5
145760986.2
n2
531156627449914761
n3
3.8710956921883E+26
n4
2.8212736288397E+35
n5
2.0561581323986E+44
2 √n
26996.387369424
3 √n
899.91971753015
4 √n
164.30577399904
5 √n
59.227344403819
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-728804930
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 728804931 can be divided by 4 positive divisors.
The sum of these divisors (counting 728804931) is 1, the average is 0.25.
Base
System
Value
2
Binary
101011011100001010111001000011
3
Ternary
1212210101010102020
4
Quaternary
223130022321003
5
Quinary
2443033224211
6
Senary
200152452523
8
Octal
5334127103
10
Decimal
728804931
12
Duodecimal
1840aa143
16
Hexadecimal
2b70ae43
20
Vigesimal
b7f0c6b
36
Base36
c1wthf
md5
a352c10835776b02b3d556d31c1ee3ad
sha1
151308986ead6042c19a14005b33eb2f5719e6bd
sha256
8712f841beccbdc5fc3f530afec7a9d32723d555b22b2e4a163c027157ab3736
sha512
a3d46857818e33c5952d6163e7c771f52c3a0203612479955fcf0c33c5801d3cc1e9a2ba3cb3858b5bd1c9af4339b4b86212d06a6e9ab068a3ec3b3b919b6a0e
ripemd-160
edff33367871812598dd208cef567de1be41fabb
Diameter
1457609862
Circumference
4579216434.2592
Area
1.6686777587022E+18
Volume
1.6215207717229E+27
Surface area
6.6747110348087E+18
Circumference
4579216434.2592
Perimeter
2915219724
Area
531156627449914761
Diagonal
1030685817.7446
Surface area
3186939764699488566
Volume
3.8710956921883E+26
Space diagonal
1262327169.2987
Perimeter
2186414793
Area
2.2999756638005E+17
Altitude
631163584.64936
Surface area
2.2999756638005E+17
Volume
4.5621300242806E+25
Height
343561939.2482