72365981 is an odd 8-digits composite number following 72365980
and preceding 72365982 . In scientific notation, it is written as 7.2365981 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 69141600 positive integers (up to 72365981) that are relatively prime to 72365981.
72365981 has 8 divisors, whose sum is 75597504
The reverse of 72365981 is 18956327
Previous prime number is 1801
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
seventy-two million three hundred sixty-five thousand nine hundred eighty-one
Scientific notation
7.2365981 × 10^7
Engineering notation
7.2365981 × 10^6
Prime Factorization
23 × 1801 × 1747
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72365981
Product of the distinct prime numbers
The prime factorization of 72365981 is 23 × 1801 × 1747.
Since it has a total of 3 prime factors.
10 , 1 , 78 , 92 , 212 , 892 , 8804 , 9796 , 52588 , 21929 , 416555 , 994676 , 6960106 , 8007989 , 92611695 , 40324180 , 328800433 , 296086038 , 4435836218 , 9889697513
n×2
144731962
n×3
217097943
n×4
289463924
n×5
361829905
n÷2
36182990.5
n÷3
24121993.666667
n÷3
18091495.25
n÷5
14473196.2
n2
5236835206092361
n3
3.7896871702421E+23
n4
2.7424442975768E+31
n5
1.98459671932E+39
2 √n
8506.8196760011
3 √n
416.720454354
4 √n
92.23242204345
5 √n
37.317014454813
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
-72365980
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 72365981 can be divided by 8 positive divisors.
The sum of these divisors (counting 72365981) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010100000011011110011101
3
Ternary
12001011120110112
4
Quaternary
10110003132131
5
Quinary
122011202411
6
Senary
11103015405
8
Octal
424033635
10
Decimal
72365981
12
Duodecimal
2029a565
16
Hexadecimal
450379d
20
Vigesimal
12c5ej1
36
Base36
1731y5
md5
3d52ed601a7bfeaf73687978f0acc311
sha1
04eb144205cffd7300dcc6c26a81538d804c6450
sha256
37e1cb847acef0a31be6ebf0ae8080e0e6519346dd1773cb9ac49c28ab0662ec
sha512
6cc605ed60de8687cacdddc0d6020941b3481886299b9fab935d12970715f998572aebbf21ebc02f90b94a8b636072d87b382335672776a0fcbd9d17093fcefa
ripemd-160
7e147d2eb55eaa77e2d9eba54c6e608952c6bc93
Diameter
144731962
Circumference
454688868.55884
Area
1.645200301152E+16
Volume
1.5874204497915E+24
Surface area
6.5808012046081E+16
Circumference
454688868.55884
Perimeter
289463924
Area
5236835206092361
Diagonal
102340951.78463
Surface area
31421011236554166
Volume
3.7896871702421E+23
Space diagonal
125341555.83156
Perimeter
217097943
Area
2.2676161619544E+15
Altitude
62670777.915782
Surface area
2.2676161619544E+15
Volume
4.4661891610898E+22
Height
34113650.594878