71286 is an even 5-digits composite number following 71285
and preceding 71287 . In scientific notation, it is written as 7.1286 × 10^4.
The sum of its digits is 24. It has a total of 4 prime factors and 12 positive divisors.
There are 23544 positive integers (up to 71286) that are relatively prime to 71286.
71286 has 12 divisors, whose sum is 143892
The reverse of 71286 is 68217
Previous prime number is 109
Is Prime? no
Number parity even
Number length 5
Sum of Digits 24
Digital Root 6
Name
seventy-one thousand two hundred eighty-six
Scientific notation
7.1286 × 10^4
Engineering notation
7.1286 × 10^3
Prime Factorization
2 × 3 × 109 × 109
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
654
Product of the distinct prime numbers
The prime factorization of 71286 is 2 × 3 × 109 × 109.
Since it has a total of 4 prime factors.
5 , 9 , 8 , 4 , 764 , 950 , 9438 , 6959 , 76900 , 66379 , 824199 , 304096 , 2203665 , 1620910 , 37651120 , 79054354 , 971797614 , 913699598 , 599047250 , 279274319
n×2
142572
n×3
213858
n×4
285144
n×5
356430
n÷2
35643
n÷3
23762
n÷3
17821.5
n÷5
14257.2
n2
5081693796
n3
362253623941656
n4
2.5823611836305E+19
n5
1.8408619933628E+24
2 √n
266.99438196337
3 √n
41.46370271834
4 √n
16.339962728335
5 √n
9.3454635779769
1 , 2 , 3 , 6 , 109 , 218 , 327 , 654 , 11881 , 23762 , 35643 , 71286
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71285
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71286 can be divided by 12 positive divisors.
The sum of these divisors (counting 71286) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10001011001110110
3
Ternary
10121210020
4
Quaternary
101121312
5
Quinary
4240121
6
Senary
1310010
8
Octal
213166
10
Decimal
71286
12
Duodecimal
35306
16
Hexadecimal
11676
20
Vigesimal
8i46
36
Base36
1j06
md5
a7742ff3d29f46e376206d614af57920
sha1
d7ba81293ebb46df3dc69beb65e7315d59809df8
sha256
84e4742aa9571e19d0fcdb07efaf02980a079ca75511c626280a1640efc7dbda
sha512
8811f96765ce551f2c30ae21b1967731e1f8520df2e88c4c538e29ded28bd3362de906f18cbda261e89f92004ebbeb5d026eda2d0d5f0c6a3109955a69786686
ripemd-160
7418e1d7c46f17de3fc219581d1b18a18cdba1d2
Diameter
142572
Circumference
447903.1478076
Area
15964611897.306
Volume
1.5174044316152E+15
Surface area
63858447589.226
Circumference
447903.1478076
Perimeter
285144
Area
5081693796
Diagonal
100813.62800733
Surface area
30490162776
Volume
362253623941656
Space diagonal
123470.97386835
Perimeter
213858
Area
2200437960.7949
Altitude
61735.486934177
Surface area
2200437960.7949
Volume
42691998999758
Height
33604.542669109