72028281 is an odd 8-digits composite number following 72028280
and preceding 72028282 . In scientific notation, it is written as 7.2028281 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 44325072 positive integers (up to 72028281) that are relatively prime to 72028281.
72028281 has 8 divisors, whose sum is 103425280
The reverse of 72028281 is 18282027
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
seventy-two million twenty-eight thousand two hundred eighty-one
Scientific notation
7.2028281 × 10^7
Engineering notation
7.2028281 × 10^6
Prime Factorization
3 × 13 × 1846879
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72028281
Product of the distinct prime numbers
The prime factorization of 72028281 is 3 × 13 × 1846879.
Since it has a total of 3 prime factors.
6 , 4 , 88 , 14 , 464 , 499 , 5534 , 4519 , 50406 , 89849 , 25877 , 217058 , 4098703 , 8524678 , 32792778 , 2560036 , 721287703 , 363120114 , 6766419203 , 5039717232
n×2
144056562
n×3
216084843
n×4
288113124
n×5
360141405
n÷2
36014140.5
n÷3
24009427
n÷3
18007070.25
n÷5
14405656.2
n2
5188073263814961
n3
3.7368799889465E+23
n4
2.6916104190712E+31
n5
1.9387207160739E+39
2 √n
8486.947684533
3 √n
416.07122678635
4 √n
92.1246312586
5 √n
37.28212086314
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
-72028280
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 72028281 can be divided by 8 positive divisors.
The sum of these divisors (counting 72028281) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010010110001000001111001
3
Ternary
12000112102020010
4
Quaternary
10102301001321
5
Quinary
121414401111
6
Senary
11051452133
8
Octal
422610171
10
Decimal
72028281
12
Duodecimal
20157049
16
Hexadecimal
44b1079
20
Vigesimal
12a3ae1
36
Base36
16vtdl
md5
60cfac16b8f3a6723b9511d77ae33277
sha1
54e2380eb9349fd9ea3093c82396b837d32fa313
sha256
7363dccf2de2a624b40f90a53c62544c0d64d7d6814fb258f321f39672442ba6
sha512
448113600ca0c392ec0872353292b662dd81e2301288a755e4d1587241075677ec1169424a9658c8c5e0abcbae62afafbfeaf3cb3c27b6750ce75dd2fb7f8a6d
ripemd-160
10073c4a7811baf07de9dbf9dca089c1f7f2cdb7
Diameter
144056562
Circumference
452567036.8806
Area
1.6298812851887E+16
Volume
1.5653006294161E+24
Surface area
6.5195251407547E+16
Circumference
452567036.8806
Perimeter
288113124
Area
5188073263814961
Diagonal
101863371.86462
Surface area
31128439582889766
Volume
3.7368799889465E+23
Space diagonal
124756642.27385
Perimeter
216084843
Area
2.2465016215793E+15
Altitude
62378321.136924
Surface area
2.2465016215793E+15
Volume
4.4039553011073E+22
Height
33954457.288207