72685220 is an even 8-digits composite number following 72685219
and preceding 72685221 . In scientific notation, it is written as 7.2685220 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 29074080 positive integers (up to 72685220) that are relatively prime to 72685220.
72685220 has 12 divisors, whose sum is 152639004
The reverse of 72685220 is 02258627
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
seventy-two million six hundred eighty-five thousand two hundred twenty
Scientific notation
7.2685220 × 10^7
Engineering notation
7.2685220 × 10^6
Prime Factorization
2 × 2 × 5 × 3634261
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
36342610
Product of the distinct prime numbers
The prime factorization of 72685220 is 2 × 2 × 5 × 3634261.
Since it has a total of 4 prime factors.
2 , 8 , 21 , 84 , 669 , 245 , 3226 , 2405 , 73404 , 54491 , 401260 , 684282 , 1151912 , 6578843 , 32083063 , 38443072 , 90260419 , 568017361 , 7441518950 , 4939994614
n×2
145370440
n×3
218055660
n×4
290740880
n×5
363426100
n÷2
36342610
n÷3
24228406.666667
n÷3
18171305
n÷5
14537044
n2
5283141206448400
n3
3.8400628088177E+23
n4
2.7911581007273E+31
n5
2.0287594060615E+39
2 √n
8525.562738025
3 √n
417.33233613342
4 √n
92.333973910067
5 √n
37.349880948582
1 , 2 , 4 , 5 , 10 , 20 , 3634261 , 7268522 , 14537044 , 18171305 , 36342610 , 72685220
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72685219
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72685220 can be divided by 12 positive divisors.
The sum of these divisors (counting 72685220) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100010101010001011010100100
3
Ternary
12001202210101012
4
Quaternary
10111101122210
5
Quinary
122101411340
6
Senary
11113521352
8
Octal
425213244
10
Decimal
72685220
12
Duodecimal
20413258
16
Hexadecimal
45516a4
20
Vigesimal
12e5d10
36
Base36
179w9w
md5
e4413aaab1a1e6c9b1014aa0501d2bfe
sha1
0bee66cae4472a359113395cc3889a037e1778da
sha256
c32c9abdcbfdb9a06bcf4922dc20550b89101fe7588f8da8e5da5fdac3151a44
sha512
0ddcd10183759c001fc967b327dd90ec262e98e6ba50cf8600b163eb85c4e19afae34dd90d0d138896aaab52ff6b0f75ceb076416db9c73de9d4708c85484f06
ripemd-160
72d3c354ff9103295a156fb7260acadadf018dcb
Diameter
145370440
Circumference
456694706.35312
Area
1.6597477602056E+16
Volume
1.608521747934E+24
Surface area
6.6389910408223E+16
Circumference
456694706.35312
Perimeter
290740880
Area
5283141206448400
Diagonal
102792423.90807
Surface area
31698847238690400
Volume
3.8400628088177E+23
Space diagonal
125894493.99932
Perimeter
218055660
Area
2.2876672482823E+15
Altitude
62947246.999661
Surface area
2.2876672482823E+15
Volume
4.5255574204954E+22
Height
34264141.302691