72685609 is an odd 8-digits composite number following 72685608
and preceding 72685610 . In scientific notation, it is written as 7.2685609 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 70093296 positive integers (up to 72685609) that are relatively prime to 72685609.
72685609 has 8 divisors, whose sum is 75320960
The reverse of 72685609 is 90658627
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
seventy-two million six hundred eighty-five thousand six hundred nine
Scientific notation
7.2685609 × 10^7
Engineering notation
7.2685609 × 10^6
Prime Factorization
43 × 79 × 21397
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72685609
Product of the distinct prime numbers
The prime factorization of 72685609 is 43 × 79 × 21397.
Since it has a total of 3 prime factors.
5 , 9 , 2 , 7 , 773 , 977 , 7682 , 4301 , 55293 , 43920 , 386972 , 945400 , 9357073 , 1391222 , 57478391 , 53511018 , 648703477 , 510673688 , 7577485255 , 6581198051
n×2
145371218
n×3
218056827
n×4
290742436
n×5
363428045
n÷2
36342804.5
n÷3
24228536.333333
n÷3
18171402.25
n÷5
14537121.8
n2
5283197755700881
n3
3.8401244634055E+23
n4
2.7912178525843E+31
n5
2.0288136946676E+39
2 √n
8525.5855517378
3 √n
417.33308063136
4 √n
92.334097449089
5 √n
37.349920926648
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
-72685608
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 72685609 can be divided by 8 positive divisors.
The sum of these divisors (counting 72685609) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010101010001100000101001
3
Ternary
12001202210220121
4
Quaternary
10111101200221
5
Quinary
122101414414
6
Senary
11113523241
8
Octal
425214051
10
Decimal
72685609
12
Duodecimal
20413521
16
Hexadecimal
4551829
20
Vigesimal
12e5e09
36
Base36
179wkp
md5
9c5cb62c1f6e877589623e46dfd85d45
sha1
64ab3984f8d09023b995c69b10860512924139ce
sha256
c1fe5abfa07405abe2658688beef64572b11d4e31a42cabe9e224bf9cf745b4f
sha512
2d2de8eb222b888b36eab67374c55d6606ec8ba861919d667be28db4d40dc8e4bf70138f338fbe13a0505a21c7ba7a58e854da14676d7db065f064f5b881f44c
ripemd-160
d296e783a11c893de57c0a5efff6f3345aaf55b9
Diameter
145371218
Circumference
456697150.5122
Area
1.6597655256772E+16
Volume
1.6085475737474E+24
Surface area
6.6390621027088E+16
Circumference
456697150.5122
Perimeter
290742436
Area
5283197755700881
Diagonal
102792974.03715
Surface area
31699186534205286
Volume
3.8401244634055E+23
Space diagonal
125895167.76709
Perimeter
218056827
Area
2.2876917348269E+15
Altitude
62947583.883543
Surface area
2.2876917348269E+15
Volume
4.525630081124E+22
Height
34264324.679049