728045491 is an odd 9-digits composite number following 728045490
and preceding 728045492 . In scientific notation, it is written as 7.28045491 × 10^8.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 725366880 positive integers (up to 728045491) that are relatively prime to 728045491.
728045491 has 8 divisors, whose sum is 730730000
The reverse of 728045491 is 194540827
Previous prime number is 1021
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
seven hundred twenty-eight million forty-five thousand four hundred ninety-one
Scientific notation
7.28045491 × 10^8
Engineering notation
7.28045491 × 10^6
Prime Factorization
499 × 1021 × 1429
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
728045491
Product of the distinct prime numbers
The prime factorization of 728045491 is 499 × 1021 × 1429.
Since it has a total of 3 prime factors.
1 , 6 , 91 , 66 , 227 , 623 , 6301 , 657 , 42650 , 16919 , 450286 , 549800 , 4905227 , 8723100 , 13936485 , 92588329 , 789957326 , 3267587 , 8497181372 , 2062285334
n×2
1456090982
n×3
2184136473
n×4
2912181964
n×5
3640227455
n÷2
364022745.5
n÷3
242681830.33333
n÷3
182011372.75
n÷5
145609098.2
n2
530050236965431081
n3
3.8590068502616E+26
n4
2.8095325370711E+35
n5
2.0454674954324E+44
2 √n
26982.318117612
3 √n
899.6070263804
4 √n
164.26295418509
5 √n
59.214995866542
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-728045490
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 728045491 can be divided by 8 positive divisors.
The sum of these divisors (counting 728045491) is 1, the average is 0.125.
Base
System
Value
2
Binary
101011011001010001011110110011
3
Ternary
1212201221112122211
4
Quaternary
223121101132303
5
Quinary
2442334423431
6
Senary
200124312551
8
Octal
5331213663
10
Decimal
728045491
12
Duodecimal
1839a2757
16
Hexadecimal
2b6517b3
20
Vigesimal
b7a5deb
36
Base36
c1gjhv
md5
986ccc2cc1b8473c0d476d2751d82f06
sha1
7ea48c183d37999f65ea60da238a67741a458b3e
sha256
c17f622424be0798fa178de929b0230fd3805642b01766be0bdbe1574fdf9d5f
sha512
4e44520b8cc8364c15f0681e99d7522729a78384a32abb454361cb4594fb69eaa10eaa17e6a83213471c5568711ff6468bf7dd2f315e34173410bee5473f04a4
ripemd-160
4a1cab6857a294761f36296e0c51b269540ea33e
Diameter
1456090982
Circumference
4574444732.0095
Area
1.6652019304841E+18
Volume
1.616457009458E+27
Surface area
6.6608077219365E+18
Circumference
4574444732.0095
Perimeter
2912181964
Area
530050236965431081
Diagonal
1029611807.3968
Surface area
3180301421792586486
Volume
3.8590068502616E+26
Space diagonal
1261011780.6334
Perimeter
2184136473
Area
2.2951848524701E+17
Altitude
630505890.31671
Surface area
2.2951848524701E+17
Volume
4.5478831874422E+25
Height
343203935.79893