71918 is an even 5-digits composite number following 71917
and preceding 71919 . In scientific notation, it is written as 7.1918 × 10^4.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 27960 positive integers (up to 71918) that are relatively prime to 71918.
71918 has 16 divisors, whose sum is 134784
The reverse of 71918 is 81917
Previous prime number is 11
Is Prime? no
Number parity even
Number length 5
Sum of Digits 26
Digital Root 8
Name
seventy-one thousand nine hundred eighteen
Scientific notation
7.1918 × 10^4
Engineering notation
7.1918 × 10^3
Prime Factorization
2 × 7 × 11 × 467
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71918
Product of the distinct prime numbers
The prime factorization of 71918 is 2 × 7 × 11 × 467.
Since it has a total of 4 prime factors.
6 , 2 , 32 , 27 , 41 , 817 , 4570 , 8428 , 19374 , 12959 , 506226 , 58232 , 7028938 , 3100188 , 6133928 , 61593265 , 427739814 , 666117710 , 137722350 , 8321215640
n×2
143836
n×3
215754
n×4
287672
n×5
359590
n÷2
35959
n÷3
23972.666666667
n÷3
17979.5
n÷5
14383.6
n2
5172198724
n3
371974187832632
n4
2.6751639640547E+19
n5
1.9239244196689E+24
2 √n
268.17531579174
3 √n
41.585877232637
4 √n
16.376059226558
5 √n
9.3619759316268
1 , 2 , 7 , 11 , 14 , 22 , 77 , 154 , 467 , 934 , 3269 , 5137 , 6538 , 10274 , 35959 , 71918
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
-71917
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 71918 can be divided by 16 positive divisors.
The sum of these divisors (counting 71918) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10001100011101110
3
Ternary
10122122122
4
Quaternary
101203232
5
Quinary
4300133
6
Senary
1312542
8
Octal
214356
10
Decimal
71918
12
Duodecimal
35752
16
Hexadecimal
118ee
20
Vigesimal
8jfi
36
Base36
1jhq
md5
c54c002153de0e8c5ce390d3df8c8c33
sha1
3bb03cd13a2faa6bef3bcf28bd3845b8661cc124
sha256
24fdc4ca55c8d1cf67429e5a192f2348bf3a5db0797851b387676123c727e08d
sha512
d7e7446fa365fc915189916240783b504f0903c95e6d1cef936a175ad9af2c269e747bb76e80d5fedf2f76a593a1dbea6847a6f2abb32fc536eb73ffc65cd505
ripemd-160
010ba67a798c2ae55197b90254d6416145f7865e
Diameter
143836
Circumference
451874.12092174
Area
16248941514.225
Volume
1.5581218344267E+15
Surface area
64995766056.9
Circumference
451874.12092174
Perimeter
287672
Area
5172198724
Diagonal
101707.41097875
Surface area
31033192344
Volume
371974187832632
Space diagonal
124565.62997874
Perimeter
215754
Area
2239627744.2027
Altitude
62282.814989369
Surface area
2239627744.2027
Volume
43837578440469
Height
33902.470326249