728081 is an odd 6-digits composite number following 728080
and preceding 728082 . In scientific notation, it is written as 7.28081 × 10^5.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 724992 positive integers (up to 728081) that are relatively prime to 728081.
728081 has 4 divisors, whose sum is 731172
The reverse of 728081 is 180827
Previous prime number is 257
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 26
Digital Root 8
Name
seven hundred twenty-eight thousand eighty-one
Scientific notation
7.28081 × 10^5
Engineering notation
7.28081 × 10^3
Prime Factorization
257 × 2833
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
728081
Product of the distinct prime numbers
The prime factorization of 728081 is 257 × 2833.
Since it has a total of 2 prime factors.
1 , 3 , 80 , 64 , 983 , 747 , 6439 , 3637 , 16083 , 75737 , 245849 , 243270 , 4544418 , 4750786 , 26443930 , 394379 , 712905485 , 268421843 , 9073366840 , 5635170918
n×2
1456162
n×3
2184243
n×4
2912324
n×5
3640405
n÷2
364040.5
n÷3
242693.66666667
n÷3
182020.25
n÷5
145616.2
n2
530101942561
n3
385957152441755441
n4
2.8100806950695E+23
n5
2.0459663625469E+29
2 √n
853.27662571994
3 √n
89.962165166914
4 √n
29.210899091263
5 √n
14.87427955446
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
-728080
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 728081 can be divided by 4 positive divisors.
The sum of these divisors (counting 728081) is 1, the average is 0.25.
Base
System
Value
2
Binary
10110001110000010001
3
Ternary
1100222201222
4
Quaternary
2301300101
5
Quinary
141244311
6
Senary
23334425
8
Octal
2616021
10
Decimal
728081
12
Duodecimal
2b1415
16
Hexadecimal
b1c11
20
Vigesimal
4b041
36
Base36
flsh
md5
1198f6289b8237581f97c5be18d2f7c0
sha1
21a564e251047d7d427c93c01835e83e3cf56330
sha256
0d7fa5d8222d664f4e1db6e705d0e08676b5a8a69ca805ed9125aef2c763e786
sha512
55e7807a046c559332ea9337301bfa9248ace764d630d69e308268b9934672bd2ec1b511ad92156e6a8232c5ddd985f13a056646ce6d4437d9b904cd35808ca4
ripemd-160
065f7fdc42846af768cc67c0f31e8eb8618b479c
Diameter
1456162
Circumference
4574667.8416366
Area
1665364368403.3
Volume
1.6166935396153E+18
Surface area
6661457473613.3
Circumference
4574667.8416366
Perimeter
2912324
Area
530101942561
Diagonal
1029662.0247062
Surface area
3180611655366
Volume
385957152441755441
Space diagonal
1261073.2840256
Perimeter
2184243
Area
229540874426.65
Altitude
630536.64201278
Surface area
229540874426.65
Volume
4.5485486623169E+16
Height
343220.67490206