71318985 is an odd 8-digits composite number following 71318984
and preceding 71318986 . In scientific notation, it is written as 7.1318985 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 38036784 positive integers (up to 71318985) that are relatively prime to 71318985.
71318985 has 8 divisors, whose sum is 114110400
The reverse of 71318985 is 58981317
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-one million three hundred eighteen thousand nine hundred eighty-five
Scientific notation
7.1318985 × 10^7
Engineering notation
7.1318985 × 10^6
Prime Factorization
3 × 5 × 4754599
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71318985
Product of the distinct prime numbers
The prime factorization of 71318985 is 3 × 5 × 4754599.
Since it has a total of 3 prime factors.
8 , 5 , 98 , 31 , 306 , 848 , 263 , 6922 , 79168 , 12203 , 93365 , 34091 , 6300025 , 4954984 , 54870912 , 56528805 , 713033910 , 938986108 , 1606327581 , 3068618867
n×2
142637970
n×3
213956955
n×4
285275940
n×5
356594925
n÷2
35659492.5
n÷3
23772995
n÷3
17829746.25
n÷5
14263797
n2
5086397621430225
n3
3.6275671566682E+23
n4
2.5871440763291E+31
n5
1.8451248957255E+39
2 √n
8445.0568381746
3 √n
414.70097004925
4 √n
91.896990365162
5 √n
37.208403036388
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
-71318984
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 71318985 can be divided by 8 positive divisors.
The sum of these divisors (counting 71318985) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010000000011110111001001
3
Ternary
11222012101020220
4
Quaternary
10100003313021
5
Quinary
121224201420
6
Senary
11024340253
8
Octal
420036711
10
Decimal
71318985
12
Duodecimal
1ba74689
16
Hexadecimal
4403dc9
20
Vigesimal
125eh95
36
Base36
16gm2x
md5
5dc88a50a47270efa4c4ceca9e05ca7e
sha1
5ecdeea6c9877691f0fbf96528c13fc378ed3a9a
sha256
749767aa3ab69ff8833af9b2ad5d0dea2f8e8e50461aff1095e0735d4bf3381b
sha512
e04c2d3b981dc6aefc857afd31574e4b3120731c9555f4a6942a9062a5885d8f3d5b9a19423421a9bd739931212786da2f951676622731742cee586a0546cb01
ripemd-160
0306146570eeb5027c8cc53f2be493f68727700b
Diameter
142637970
Circumference
448110398.67496
Area
1.5979389400722E+16
Volume
1.5195117773056E+24
Surface area
6.3917557602887E+16
Circumference
448110398.67496
Perimeter
285275940
Area
5086397621430225
Diagonal
100860275.84168
Surface area
30518385728581350
Volume
3.6275671566682E+23
Space diagonal
123528105.56424
Perimeter
213956955
Area
2.2024747769537E+15
Altitude
61764052.782121
Surface area
2.2024747769537E+15
Volume
4.2751288928161E+22
Height
33620091.947228