72509985 is an odd 8-digits composite number following 72509984
and preceding 72509986 . In scientific notation, it is written as 7.2509985 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors.
There are 36531648 positive integers (up to 72509985) that are relatively prime to 72509985.
72509985 has 32 divisors, whose sum is 120892800
The reverse of 72509985 is 58990527
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 five hundred nine thousand nine hundred eighty-five
Scientific notation
7.2509985 × 10^7
Engineering notation
7.2509985 × 10^6
Prime Factorization
513 × 3 × 27 × 5 × 349
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
72509985
Product of the distinct prime numbers
The prime factorization of 72509985 is 513 × 3 × 27 × 5 × 349.
Since it has a total of 5 prime factors.
3 , 4 , 1 , 32 , 403 , 408 , 2401 , 8189 , 72443 , 91726 , 513847 , 235394 , 588390 , 7322060 , 76092625 , 52363765 , 291091219 , 612971454 , 7576569137 , 6786864576
n×2
145019970
n×3
217529955
n×4
290039940
n×5
362549925
n÷2
36254992.5
n÷3
24169995
n÷3
18127496.25
n÷5
14501997
n2
5257697924700225
n3
3.8123559765454E+23
n4
2.7643387467397E+31
n5
2.0044216106101E+39
2 √n
8515.2795021655
3 √n
416.99668751574
4 √n
92.278272102188
5 √n
37.331854375336
1 , 3 , 5 , 15 , 27 , 81 , 135 , 349 , 405 , 513 , 1047 , 1539 , 1745 , 2565 , 5235 , 7695 , 9423 , 13851 , 28269 , 41553 , 47115 , 69255 , 141345 , 179037 , 207765 , 537111 , 895185 , 2685555 , 4833999 , 14501997 , 24169995 , 72509985
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
-72509984
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 72509985 can be divided by 32 positive divisors.
The sum of these divisors (counting 72509985) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010100100110101000100001
3
Ternary
12001102220000000
4
Quaternary
10110212220201
5
Quinary
122030304420
6
Senary
11110050213
8
Octal
424465041
10
Decimal
72509985
12
Duodecimal
20349969
16
Hexadecimal
4526a21
20
Vigesimal
12d3ej5
36
Base36
176529
md5
de6cc9d94a0be7d308c2f1de7b8a3303
sha1
f1d15704f55c2b0b01d881a6fbe829e4b943c293
sha256
542e4591678394a72dc2983b91588a76df13280273249ef74e2a13bf1f12c79b
sha512
2bd86a989ff9e391434d5487313640d91853796d7252f39ff70f5afe05afbc4e912bb067839455953ba8b8a7f41acaefcac9da660b59fb7f7306423cf38892cc
ripemd-160
6688a9d36e4537f36ff9f6e1db45e5ca15491e20
Diameter
145019970
Circumference
455593672.37581
Area
1.6517545175033E+16
Volume
1.5969159371712E+24
Surface area
6.607018070013E+16
Circumference
455593672.37581
Perimeter
290039940
Area
5257697924700225
Diagonal
102544604.19447
Surface area
31546187548201350
Volume
3.8123559765454E+23
Space diagonal
125590978.07606
Perimeter
217529955
Area
2.2766499841076E+15
Altitude
62795489.038029
Surface area
2.2766499841076E+15
Volume
4.4929046055206E+22
Height
34181534.73149