72281805 is an odd 8-digits composite number following 72281804
and preceding 72281806 . In scientific notation, it is written as 7.2281805 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 38443968 positive integers (up to 72281805) that are relatively prime to 72281805.
72281805 has 16 divisors, whose sum is 115969920
The reverse of 72281805 is 50818227
Previous prime number is 373
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
seventy-two million two hundred eighty-one thousand eight hundred five
Scientific notation
7.2281805 × 10^7
Engineering notation
7.2281805 × 10^6
Prime Factorization
3 × 5 × 373 × 12919
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72281805
Product of the distinct prime numbers
The prime factorization of 72281805 is 3 × 5 × 373 × 12919.
Since it has a total of 4 prime factors.
3 , 5 , 27 , 64 , 463 , 161 , 4335 , 4773 , 58085 , 18938 , 296534 , 11372 , 4871160 , 156613 , 69365026 , 33297681 , 894043098 , 159543101 , 9477973287 , 2042372714
n×2
144563610
n×3
216845415
n×4
289127220
n×5
361409025
n÷2
36140902.5
n÷3
24093935
n÷3
18070451.25
n÷5
14456361
n2
5224659334058025
n3
3.7764780717581E+23
n4
2.729706515696E+31
n5
1.9730811407477E+39
2 √n
8501.8706765041
3 √n
416.55881546367
4 √n
92.205589182566
5 √n
37.308328993716
1 , 3 , 5 , 15 , 373 , 1119 , 1865 , 5595 , 12919 , 38757 , 64595 , 193785 , 4818787 , 14456361 , 24093935 , 72281805
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
-72281804
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 72281805 can be divided by 16 positive divisors.
The sum of these divisors (counting 72281805) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010011101110111011001101
3
Ternary
12001000021222220
4
Quaternary
10103232323031
5
Quinary
122001004210
6
Senary
11101125553
8
Octal
423567315
10
Decimal
72281805
12
Duodecimal
202598b9
16
Hexadecimal
44eeecd
20
Vigesimal
12bf4a5
36
Base36
1718zx
md5
47e51517656d30670f8e79a82f6c82dd
sha1
34d4df7217690cd8dc1a8875f08730335895542d
sha256
fcdc009cc5ae5664781d0f70c224daa2fdd162502642dc5189e7de6c486ae5c3
sha512
d3a1609e8b98f862f4cf85352c5d9cbe3de6acf4be0ca21ef06216fd65a3268edeb7cee90de6f5b04f0e5dbe26c081a82dceefde137023ede862b93ecc3f2786
ripemd-160
2a851f62d3fd3cafe16a7e052c5c27e6ba03f686
Diameter
144563610
Circumference
454159975.15242
Area
1.6413751381386E+16
Volume
1.5818874355571E+24
Surface area
6.5655005525544E+16
Circumference
454159975.15242
Perimeter
289127220
Area
5224659334058025
Diagonal
102221908.94381
Surface area
31347956004348150
Volume
3.7764780717581E+23
Space diagonal
125195758.72279
Perimeter
216845415
Area
2.2623438547069E+15
Altitude
62597879.361393
Surface area
2.2623438547069E+15
Volume
4.4506220892374E+22
Height
34073969.647936