72281738 is an even 8-digits composite number following 72281737
and preceding 72281739 . In scientific notation, it is written as 7.2281738 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 34163856 positive integers (up to 72281738) that are relatively prime to 72281738.
72281738 has 16 divisors, whose sum is 114378720
The reverse of 72281738 is 83718227
Previous prime number is 523
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-two million two hundred eighty-one thousand seven hundred thirty-eight
Scientific notation
7.2281738 × 10^7
Engineering notation
7.2281738 × 10^6
Prime Factorization
2 × 19 × 523 × 3637
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72281738
Product of the distinct prime numbers
The prime factorization of 72281738 is 2 × 19 × 523 × 3637.
Since it has a total of 4 prime factors.
6 , 3 , 78 , 61 , 150 , 742 , 9822 , 9461 , 88614 , 87536 , 989746 , 640338 , 8610842 , 6723612 , 52594320 , 99849906 , 10828602 , 429548583 , 6109816830 , 8015516110
n×2
144563476
n×3
216845214
n×4
289126952
n×5
361408690
n÷2
36140869
n÷3
24093912.666667
n÷3
18070434.5
n÷5
14456347.6
n2
5224649648300644
n3
3.7764675702026E+23
n4
2.7296963947488E+31
n5
1.9730719962478E+39
2 √n
8501.8667361939
3 √n
416.55868675701
4 √n
92.205567815582
5 √n
37.308322077289
1 , 2 , 19 , 38 , 523 , 1046 , 3637 , 7274 , 9937 , 19874 , 69103 , 138206 , 1902151 , 3804302 , 36140869 , 72281738
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
-72281737
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 72281738 can be divided by 16 positive divisors.
The sum of these divisors (counting 72281738) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010011101110111010001010
3
Ternary
12001000021220102
4
Quaternary
10103232322022
5
Quinary
122001003423
6
Senary
11101125402
8
Octal
423567212
10
Decimal
72281738
12
Duodecimal
20259862
16
Hexadecimal
44eee8a
20
Vigesimal
12bf46i
36
Base36
1718y2
md5
608fc21d208665b1c74e9e9a30997b26
sha1
d39c067db1cd9afff8892a85e57a2a302cbfb72a
sha256
8bcd94e96887a518a8fea0d3dbc41c5f9bb65c4273d8bb0a7eae000ed45d6ff6
sha512
b705b99c43467eed888889e4be36c226969fa9f06dd01d3c4edca450a1016f9570de165671e29eb22016e7642a89d9c672ba98309801a236b3056a4ac7ab58a3
ripemd-160
f8d07cead314ab8263239fd671d0502e167637b7
Diameter
144563476
Circumference
454159554.179
Area
1.6413720952682E+16
Volume
1.5818830366758E+24
Surface area
6.5654883810727E+16
Circumference
454159554.179
Perimeter
289126952
Area
5224649648300644
Diagonal
102221814.1915
Surface area
31347897889803864
Volume
3.7764675702026E+23
Space diagonal
125195642.67538
Perimeter
216845214
Area
2.2623396606509E+15
Altitude
62597821.337691
Surface area
2.2623396606509E+15
Volume
4.4506097130356E+22
Height
34073938.063833