71728345 is an odd 8-digits composite number following 71728344
and preceding 71728346 . In scientific notation, it is written as 7.1728345 × 10^7.
The sum of its digits is 37. It has a total of 5 prime factors and 32 positive divisors.
There are 50748672 positive integers (up to 71728345) that are relatively prime to 71728345.
71728345 has 32 divisors, whose sum is 96671232
The reverse of 71728345 is 54382717
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
seventy-one million seven hundred twenty-eight thousand three hundred forty-five
Scientific notation
7.1728345 × 10^7
Engineering notation
7.1728345 × 10^6
Prime Factorization
5 × 47 × 53 × 13 × 443
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
71728345
Product of the distinct prime numbers
The prime factorization of 71728345 is 5 × 47 × 53 × 13 × 443.
Since it has a total of 5 prime factors.
4 , 8 , 56 , 79 , 371 , 653 , 7390 , 1440 , 83552 , 18803 , 705905 , 703153 , 7825098 , 8215629 , 51141520 , 20625093 , 872649569 , 643997180 , 7645259527 , 7047411415
n×2
143456690
n×3
215185035
n×4
286913380
n×5
358641725
n÷2
35864172.5
n÷3
23909448.333333
n÷3
17932086.25
n÷5
14345669
n2
5144955476439025
n3
3.6903914142366E+23
n4
2.647056685454E+31
n5
1.898689951688E+39
2 √n
8469.2588223528
3 √n
415.49289671655
4 √n
92.028576118251
5 √n
37.251019405458
1 , 5 , 13 , 47 , 53 , 65 , 235 , 265 , 443 , 611 , 689 , 2215 , 2491 , 3055 , 3445 , 5759 , 12455 , 20821 , 23479 , 28795 , 32383 , 104105 , 117395 , 161915 , 270673 , 305227 , 1103513 , 1353365 , 1526135 , 5517565 , 14345669 , 71728345
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
-71728344
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 71728345 can be divided by 32 positive divisors.
The sum of these divisors (counting 71728345) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010001100111110011011001
3
Ternary
11222222011210101
4
Quaternary
10101213303121
5
Quinary
121330301340
6
Senary
11041215401
8
Octal
421476331
10
Decimal
71728345
12
Duodecimal
20031561
16
Hexadecimal
4467cd9
20
Vigesimal
12860h5
36
Base36
16pdy1
md5
838b04e92961d2400c7dac8074cfec3a
sha1
5a7e19b6ae092bfc05983ef57a82de02ffc12c2f
sha256
152622df2c795317ddee2c4b84b12a872432041561b70e1c951a47f79636057c
sha512
01593ba1bb30c4658f85c93b271484f26a7e2cf093427c512eb12669a580fb9e15bfa530e47a8e5d146ca3faa51852881aa656d2b80a931d13b9846379498e21
ripemd-160
0fbb0dd770e7570fece11429c3e5e5fd213a3c87
Diameter
143456690
Circumference
450682483.41231
Area
1.6163354327827E+16
Volume
1.5458275407782E+24
Surface area
6.465341731131E+16
Circumference
450682483.41231
Perimeter
286913380
Area
5144955476439025
Diagonal
101439198.30558
Surface area
30869732858634150
Volume
3.6903914142366E+23
Space diagonal
124237137.88283
Perimeter
215185035
Area
2.227831071968E+15
Altitude
62118568.941415
Surface area
2.227831071968E+15
Volume
4.3491679903988E+22
Height
33813066.101859