72685209 is an odd 8-digits composite number following 72685208
and preceding 72685210 . In scientific notation, it is written as 7.2685209 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 48135600 positive integers (up to 72685209) that are relatively prime to 72685209.
72685209 has 8 divisors, whose sum is 97556032
The reverse of 72685209 is 90258627
Previous prime number is 151
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-two million six hundred eighty-five thousand two hundred nine
Scientific notation
7.2685209 × 10^7
Engineering notation
7.2685209 × 10^6
Prime Factorization
3 × 151 × 160453
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72685209
Product of the distinct prime numbers
The prime factorization of 72685209 is 3 × 151 × 160453.
Since it has a total of 3 prime factors.
5 , 2 , 72 , 29 , 731 , 38 , 577 , 9464 , 81404 , 75136 , 853490 , 341665 , 4506494 , 4526889 , 83279651 , 1779038 , 931914954 , 559182455 , 2982823445 , 1069057551
n×2
145370418
n×3
218055627
n×4
290740836
n×5
363426045
n÷2
36342604.5
n÷3
24228403
n÷3
18171302.25
n÷5
14537041.8
n2
5283139607373681
n3
3.8400610653813E+23
n4
2.7911564111001E+31
n5
2.028757870925E+39
2 √n
8525.5620929062
3 √n
417.33231508074
4 √n
92.333970416669
5 √n
37.349879818095
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
-72685208
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 72685209 can be divided by 8 positive divisors.
The sum of these divisors (counting 72685209) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010101010001011010011001
3
Ternary
12001202210100210
4
Quaternary
10111101122121
5
Quinary
122101411314
6
Senary
11113521333
8
Octal
425213231
10
Decimal
72685209
12
Duodecimal
20413249
16
Hexadecimal
4551699
20
Vigesimal
12e5d09
36
Base36
179w9l
md5
d8080449b8c8537be563a7791b20b81a
sha1
cc5355a3478dbaf17ec87ba32f8d8167d33305cd
sha256
50718a727d29f2ee9b1c87251dc01de7419287d7b9e258ef59d34615cee05acf
sha512
12f0d12d379eb947d3119f3920e20abb7017cf14974cc8ceead2ead439ec58dd2486d183bf033a3251c7bfd5d082ed48c416f30a8f2a25d2dca995ba18df1f6b
ripemd-160
bad9f47f4cd84ecd4114f7a70f2317e32f1bac1d
Diameter
145370418
Circumference
456694637.23808
Area
1.6597472578414E+16
Volume
1.6085210176451E+24
Surface area
6.6389890313658E+16
Circumference
456694637.23808
Perimeter
290740836
Area
5283139607373681
Diagonal
102792408.35172
Surface area
31698837644242086
Volume
3.8400610653813E+23
Space diagonal
125894474.94676
Perimeter
218055627
Area
2.2876665558627E+15
Altitude
62947237.473381
Surface area
2.2876665558627E+15
Volume
4.525555365836E+22
Height
34264136.117241