72687285 is an odd 8-digits composite number following 72687284
and preceding 72687286 . In scientific notation, it is written as 7.2687285 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 35242080 positive integers (up to 72687285) that are relatively prime to 72687285.
72687285 has 16 divisors, whose sum is 119824704
The reverse of 72687285 is 58278627
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-two million six hundred eighty-seven thousand two hundred eighty-five
Scientific notation
7.2687285 × 10^7
Engineering notation
7.2687285 × 10^6
Prime Factorization
33 × 3 × 5 × 146843
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72687285
Product of the distinct prime numbers
The prime factorization of 72687285 is 33 × 3 × 5 × 146843.
Since it has a total of 4 prime factors.
4 , 4 , 59 , 56 , 92 , 741 , 9277 , 4420 , 40259 , 59851 , 317916 , 45959 , 9327599 , 2763393 , 73146109 , 63733335 , 75429243 , 630286758 , 4960274381 , 9504119658
n×2
145374570
n×3
218061855
n×4
290749140
n×5
363436425
n÷2
36343642.5
n÷3
24229095
n÷3
18171821.25
n÷5
14537457
n2
5283441400671225
n3
3.8403901087139E+23
n4
2.7914753034327E+31
n5
2.0290476095107E+39
2 √n
8525.6838435401
3 √n
417.33628825791
4 √n
92.334629709227
5 √n
37.35009316952
1 , 3 , 5 , 15 , 33 , 99 , 165 , 495 , 146843 , 440529 , 734215 , 2202645 , 4845819 , 14537457 , 24229095 , 72687285
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72687284
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72687285 can be divided by 16 positive divisors.
The sum of these divisors (counting 72687285) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010101010001111010110101
3
Ternary
12001202220012200
4
Quaternary
10111101322311
5
Quinary
122101443120
6
Senary
11113535113
8
Octal
425217265
10
Decimal
72687285
12
Duodecimal
20414499
16
Hexadecimal
4551eb5
20
Vigesimal
12e5i45
36
Base36
179xv9
md5
72e61a586f3cc52fe1513b890ad70a45
sha1
ea35ce3907de1a924fe1019aaad2e15676952ebb
sha256
3ce0f2a4c7ce81c257911d3f7f474087e2a756005479b2438cc6eb5088fa4da7
sha512
f5db59e2dea1cae0b232e3ea6d310cea55a5667c7ce1e9a0219cd6d240d6559fd4570c7cd1a67a4dde7353252d2300164445d98f81fc2d7909cc440c76c57762
ripemd-160
7a7f11994416d9de84b111cb0478e0ada6acd7bc
Diameter
145374570
Circumference
456707681.13078
Area
1.6598420690021E+16
Volume
1.6086588469939E+24
Surface area
6.6393682760084E+16
Circumference
456707681.13078
Perimeter
290749140
Area
5283441400671225
Diagonal
102795344.25908
Surface area
31700648404027350
Volume
3.8403901087139E+23
Space diagonal
125898070.68424
Perimeter
218061855
Area
2.2877972361939E+15
Altitude
62949035.34212
Surface area
2.2877972361939E+15
Volume
4.5259431471222E+22
Height
34265114.753026