728738861 is an odd 9-digits prime number following 728738860
and preceding 728738862 . In scientific notation, it is written as 7.28738861 × 10^8.
The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors.
There are 728738860 positive integers (up to 728738861) that are relatively prime to 728738861.
728738861 has 2 divisors, whose sum is 728738862
The reverse of 728738861 is 168837827
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 50 Digital Root 5
Name
seven hundred twenty-eight million seven hundred thirty-eight thousand eight hundred sixty-one
Scientific notation
7.28738861 × 10^8
Engineering notation
7.28738861 × 10^6
Prime Factorization
728738861
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
728738861 Product of the distinct prime numbers
The prime factorization of 728738861 is 728738861.
Since it has a total of 1 prime factors.
1 , 2 , 93 , 52 , 275 , 330 , 9297 , 6555 , 11697 , 73716 , 872871 , 552612 , 2474907 , 9287390 , 63555878 , 65368867 , 286606005 , 936816943 , 7599435540 , 2632905998
n×2
1457477722
n×3
2186216583
n×4
2914955444
n×5
3643694305
n÷2
364369430.5
n÷3
242912953.66667
n÷3
182184715.25
n÷5
145747772.2
n2
531060327531577321
n3
3.8700429820765E+26
n4
2.8202507147795E+35
n5
2.0552262936228E+44
2 √n26995.163659441
3 √n899.89252255657
4 √n164.3020500768
5 √n59.226270510824
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
728738862 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
364369431 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
26995.163677963 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999972555 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 728738861 can be divided by 2 positive divisors.
The sum of these divisors (counting 728738861) is 728738862, the average is 364369431.
Base
System
Value
2
Binary
101011011011111010110000101101
3
Ternary
1212210020202210012
4
Quaternary
223123322300231
5
Quinary
2443024120421
6
Senary
200151223005
8
Octal
5333726055
10
Decimal
728738861
12
Duodecimal
184077a65
16
Hexadecimal
2b6fac2d
20
Vigesimal
b7ec731
36
Base36
c1vei5
md5
f95961b7f3e9ff1194014c373da60644
sha1
bff5cf680b5edfe903bf1b1b174a4a9aaafe8817
sha256
572ed93dadf2a5fabc1adb9dfe6ae233f4b63c0d871ad1ad749cfdde938f62af
sha512
0e4f2deb443eb4a3e12805cb9e4c0a21839a464cb9cce8e30af7a46e2c32a5a3ae00f0070405f27e6b298668d9eb27ed8e2d2b28f8e985017051d50552cab4e9
ripemd-160
0efdcc5a98f333bce9295b1c29a74d4bdaba1432
Diameter
1457477722
Circumference
4578801304.206
Area
1.6683752235862E+18
Volume
1.6210798135424E+27
Surface area
6.6735008943448E+18
Circumference
4578801304.206
Perimeter
2914955444
Area
531060327531577321
Diagonal
1030592380.6545
Surface area
3186361965189463926
Volume
3.8700429820765E+26
Space diagonal
1262212732.7019
Perimeter
2186216583
Area
2.2995586729222E+17
Altitude
631106366.35094
Surface area
2.2995586729222E+17
Volume
4.5608893935162E+25
Height
343530793.55151