728996871 is an odd 9-digits composite number following 728996870
and preceding 728996872 . In scientific notation, it is written as 7.28996871 × 10^8.
The sum of its digits is 57. It has a total of 2 prime factors and 4 positive divisors.
There are 485997912 positive integers (up to 728996871) that are relatively prime to 728996871.
728996871 has 4 divisors, whose sum is 971995832
The reverse of 728996871 is 178699827
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 57
Digital Root 3
Name
seven hundred twenty-eight million nine hundred ninety-six thousand eight hundred seventy-one
Scientific notation
7.28996871 × 10^8
Engineering notation
7.28996871 × 10^6
Prime Factorization
3 × 242998957
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
728996871
Product of the distinct prime numbers
The prime factorization of 728996871 is 3 × 242998957.
Since it has a total of 2 prime factors.
2 , 10 , 20 , 40 , 765 , 922 , 2613 , 656 , 80362 , 12358 , 953394 , 583580 , 5678494 , 6079294 , 42402735 , 73890043 , 272945768 , 231368317 , 6320721314 , 7921405508
n×2
1457993742
n×3
2186990613
n×4
2915987484
n×5
3644984355
n÷2
364498435.5
n÷3
242998957
n÷3
182249217.75
n÷5
145799374.2
n2
531436437927790641
n3
3.8741550038475E+26
n4
2.8242468755738E+35
n5
2.0588671352248E+44
2 √n
26999.942055493
3 √n
899.99871234384
4 √n
164.31659093194
5 √n
59.230463729339
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
-728996870
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 728996871 can be divided by 4 positive divisors.
The sum of these divisors (counting 728996871) is 1, the average is 0.25.
Base
System
Value
2
Binary
101011011100111001110000000111
3
Ternary
1212210201212201010
4
Quaternary
223130321300013
5
Quinary
2443110344441
6
Senary
200200533303
8
Octal
5334716007
10
Decimal
728996871
12
Duodecimal
184181233
16
Hexadecimal
2b739c07
20
Vigesimal
b7g4c3b
36
Base36
c20xl3
md5
e17bda4d0e3bd9901d2e14fdccbf99f6
sha1
4ef3564932a10c9b7f7d9f8a7baae0a2e9de92a5
sha256
797b4a7f44daeccbaa3f09632cf4301f9154d4d97f4f7dafe3b67d5457c08c92
sha512
288c91a6ed5cc4120e82750017ded19f080ac15d09d2f3831e4a63393ad2a97a5c5f94db25060a29b7cfa1ae28d76c64bc4354df1d1d1a52de83e065140a8b3c
ripemd-160
16c7ed113c31616a6a6411a366d7d574424fff0c
Diameter
1457993742
Circumference
4580422428.8471
Area
1.6695568092439E+18
Volume
1.622802253194E+27
Surface area
6.6782272369755E+18
Circumference
4580422428.8471
Perimeter
2915987484
Area
531436437927790641
Diagonal
1030957261.8957
Surface area
3188618627566743846
Volume
3.8741550038475E+26
Space diagonal
1262659619.1307
Perimeter
2186990613
Area
2.3011872787109E+17
Altitude
631329809.56537
Surface area
2.3011872787109E+17
Volume
4.5657354576472E+25
Height
343652420.63192