71808081 is an odd 8-digits composite number following 71808080
and preceding 71808082 . In scientific notation, it is written as 7.1808081 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 47791200 positive integers (up to 71808081) that are relatively prime to 71808081.
71808081 has 8 divisors, whose sum is 95905824
The reverse of 71808081 is 18080817
Previous prime number is 601
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
seventy-one million eight hundred eight thousand eighty-one
Scientific notation
7.1808081 × 10^7
Engineering notation
7.1808081 × 10^6
Prime Factorization
3 × 601 × 39827
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71808081
Product of the distinct prime numbers
The prime factorization of 71808081 is 3 × 601 × 39827.
Since it has a total of 3 prime factors.
10 , 7 , 59 , 98 , 484 , 694 , 7549 , 6685 , 89795 , 10888 , 641964 , 155658 , 6994481 , 9186661 , 47266908 , 20538557 , 32251033 , 173271071 , 8520856647 , 1759251241
n×2
143616162
n×3
215424243
n×4
287232324
n×5
359040405
n÷2
35904040.5
n÷3
23936027
n÷3
17952020.25
n÷5
14361616.2
n2
5156400496902561
n3
3.7027122455002E+23
n4
2.6588466084457E+31
n5
1.9092667262584E+39
2 √n
8473.96489254
3 √n
415.64679902248
4 √n
92.054141093923
5 √n
37.259297659827
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
-71808080
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 71808081 can be divided by 8 positive divisors.
The sum of these divisors (counting 71808081) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010001111011010001010001
3
Ternary
12000010020011120
4
Quaternary
10101323101101
5
Quinary
121340324311
6
Senary
11043032453
8
Octal
421732121
10
Decimal
71808081
12
Duodecimal
2006b729
16
Hexadecimal
447b451
20
Vigesimal
128g041
36
Base36
16r3gx
md5
978e592b5cb2d1dc984ebbf79c543065
sha1
fff34f414d4a5cc3b2bb89c7d81cf324533b2f29
sha256
297ec2c34b4887cc6d025aadb393b9fb5f9771e81ccb9a366286141b63781481
sha512
5e94cfb69879dacd6ebc3f7ccb07ae7e26a1d2e693461073c6ac81fd384eef9df76336529cd3d3687af9467310956dd65130a7d58377955395f59a02da807392
ripemd-160
eb9a035db2609eba512c595de5dde9623cdd675f
Diameter
143616162
Circumference
451183479.47596
Area
1.6199309920036E+16
Volume
1.5509884785094E+24
Surface area
6.4797239680143E+16
Circumference
451183479.47596
Perimeter
287232324
Area
5156400496902561
Diagonal
101551962.03819
Surface area
30938402981415366
Volume
3.7027122455002E+23
Space diagonal
124375244.68602
Perimeter
215424243
Area
2.2327869112022E+15
Altitude
62187622.343011
Surface area
2.2327869112022E+15
Volume
4.3636882292928E+22
Height
33850654.012729