71285 is an odd 5-digits composite number following 71284
and preceding 71286 . In scientific notation, it is written as 7.1285 × 10^4.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 55744 positive integers (up to 71285) that are relatively prime to 71285.
71285 has 8 divisors, whose sum is 87480
The reverse of 71285 is 58217
Previous prime number is 269
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 23
Digital Root 5
Name
seventy-one thousand two hundred eighty-five
Scientific notation
7.1285 × 10^4
Engineering notation
7.1285 × 10^3
Prime Factorization
5 × 269 × 53
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71285
Product of the distinct prime numbers
The prime factorization of 71285 is 5 × 269 × 53.
Since it has a total of 3 prime factors.
10 , 1 , 44 , 76 , 250 , 974 , 1028 , 5056 , 97651 , 10671 , 829719 , 366685 , 6448456 , 495445 , 50892766 , 45956711 , 634865955 , 705124159 , 90018943 , 9565296403
n×2
142570
n×3
213855
n×4
285140
n×5
356425
n÷2
35642.5
n÷3
23761.666666667
n÷3
17821.25
n÷5
14257
n2
5081551225
n3
362238379074125
n4
2.5822162852299E+19
n5
1.8407328789261E+24
2 √n
266.99250925822
3 √n
41.463508833162
4 √n
16.339905423784
5 √n
9.3454373581974
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
-71284
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 71285 can be divided by 8 positive divisors.
The sum of these divisors (counting 71285) is 1, the average is 0.125.
Base
System
Value
2
Binary
10001011001110101
3
Ternary
10121210012
4
Quaternary
101121311
5
Quinary
4240120
6
Senary
1310005
8
Octal
213165
10
Decimal
71285
12
Duodecimal
35305
16
Hexadecimal
11675
20
Vigesimal
8i45
36
Base36
1j05
md5
3ac8ca1e6bcdeec4514d49d64b573920
sha1
48edd7c149c7955c729d331f4f20c89817e832fa
sha256
2fa945f9b0b7e6e7a6bfeb721021b72763428f6ab619bbae705096603b3f50eb
sha512
096ebc7207c765efbab66c5baaecb5ee67c8f900253840433785a0c0255f85736da6397bfc23f8946c02f71031af014462e364a2ae92170a97b5ae460f2d94d0
ripemd-160
1c90ccb34b55ddec70457f4a484b6cae914d9687
Diameter
142570
Circumference
447896.8646223
Area
15964163997.3
Volume
1.5173405740634E+15
Surface area
63856655989.201
Circumference
447896.8646223
Perimeter
285140
Area
5081551225
Diagonal
100812.21379377
Surface area
30489307350
Volume
362238379074125
Space diagonal
123469.24181755
Perimeter
213855
Area
2200376225.741
Altitude
61734.620908774
Surface area
2200376225.741
Volume
42690202374890
Height
33604.071264589