72391640 is an even 8-digits composite number following 72391639
and preceding 72391641 . In scientific notation, it is written as 7.2391640 × 10^7.
The sum of its digits is 32. It has a total of 6 prime factors and 32 positive divisors.
There are 28409472 positive integers (up to 72391640) that are relatively prime to 72391640.
72391640 has 32 divisors, whose sum is 165959280
The reverse of 72391640 is 04619327
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
seventy-two million three hundred ninety-one thousand six hundred forty
Scientific notation
7.2391640 × 10^7
Engineering notation
7.2391640 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 53 × 34147
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
18097910
Product of the distinct prime numbers
The prime factorization of 72391640 is 2 × 2 × 2 × 5 × 53 × 34147.
Since it has a total of 6 prime factors.
10 , 1 , 40 , 55 , 197 , 817 , 7158 , 786 , 11733 , 686 , 706267 , 894146 , 339890 , 6138125 , 54648573 , 8713146 , 440620287 , 282144629 , 1376903019 , 7849885227
n×2
144783280
n×3
217174920
n×4
289566560
n×5
361958200
n÷2
36195820
n÷3
24130546.666667
n÷3
18097910
n÷5
14478328
n2
5240549541889600
n3
3.7937197583864E+23
n4
2.7463359500999E+31
n5
1.9881176341869E+39
2 √n
8508.327685274
3 √n
416.76970109705
4 √n
92.240596730908
5 √n
37.319660398351
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 53 , 106 , 212 , 265 , 424 , 530 , 1060 , 2120 , 34147 , 68294 , 136588 , 170735 , 273176 , 341470 , 682940 , 1365880 , 1809791 , 3619582 , 7239164 , 9048955 , 14478328 , 18097910 , 36195820 , 72391640
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72391639
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72391640 can be divided by 32 positive divisors.
The sum of these divisors (counting 72391640) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010100001001101111011000
3
Ternary
12001012212122212
4
Quaternary
10110021233120
5
Quinary
122013013030
6
Senary
11103334252
8
Octal
424115730
10
Decimal
72391640
12
Duodecimal
202b1388
16
Hexadecimal
4509bd8
20
Vigesimal
12c8j20
36
Base36
173lqw
md5
fb43f9010c264981fe45822d791cab42
sha1
9dbc9445c84e3c437757b83d6a445a54c437a1ad
sha256
75e8f5bd526c6c9a8c14757fb8c96165d476a88508e1f90c8615169cea013d25
sha512
7b4e7d64174751d999b6d730e565bc816b19f1aef3b8bcf3311492c5faa128a73c3a5c91b2f6ac56e22be195fe292632c3eb501fb7a42d82ef3b3dd65bb9ef08
ripemd-160
5f33ddc1d830b727bfb3496dd7eb04d425111b46
Diameter
144783280
Circumference
454850088.81063
Area
1.6463671941574E+16
Volume
1.5891096163633E+24
Surface area
6.5854687766295E+16
Circumference
454850088.81063
Perimeter
289566560
Area
5240549541889600
Diagonal
102377239.09043
Surface area
31443297251337600
Volume
3.7937197583864E+23
Space diagonal
125385998.52324
Perimeter
217174920
Area
2.2692245165336E+15
Altitude
62692999.261618
Surface area
2.2692245165336E+15
Volume
4.470941611794E+22
Height
34125746.363477