71810081 is an odd 8-digits composite number following 71810080
and preceding 71810082 . In scientific notation, it is written as 7.1810081 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 59887728 positive integers (up to 71810081) that are relatively prime to 71810081.
71810081 has 8 divisors, whose sum is 84287040
The reverse of 71810081 is 18001817
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
seventy-one million eight hundred ten thousand eighty-one
Scientific notation
7.1810081 × 10^7
Engineering notation
7.1810081 × 10^6
Prime Factorization
7 × 37 × 277259
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71810081
Product of the distinct prime numbers
The prime factorization of 71810081 is 7 × 37 × 277259.
Since it has a total of 3 prime factors.
7 , 9 , 84 , 27 , 155 , 336 , 8351 , 1398 , 37514 , 19613 , 20209 , 881910 , 8614284 , 4911174 , 39468023 , 59376365 , 313584913 , 476503718 , 450932508 , 8096115860
n×2
143620162
n×3
215430243
n×4
287240324
n×5
359050405
n÷2
35905040.5
n÷3
23936693.666667
n÷3
17952520.25
n÷5
14362016.2
n2
5156687733226561
n3
3.7030216381471E+23
n4
2.6591428378009E+31
n5
1.9095326257305E+39
2 √n
8474.0829002317
3 √n
415.6506578541
4 √n
92.054782060639
5 √n
37.259505206844
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
-71810080
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 71810081 can be divided by 8 positive divisors.
The sum of these divisors (counting 71810081) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010001111011110000100001
3
Ternary
12000010022220122
4
Quaternary
10101323300201
5
Quinary
121340410311
6
Senary
11043050025
8
Octal
421736041
10
Decimal
71810081
12
Duodecimal
20070915
16
Hexadecimal
447bc21
20
Vigesimal
128g541
36
Base36
16r50h
md5
01337a066adf5f53a8f7ac16c9fff45b
sha1
0a51ecf9ce09e9618e4bf5cbd15c99f89d6f004e
sha256
fea88457a4159852c0ec4c5a197545c5208eb820fec5da4990b9e4bd02126262
sha512
85bad1664fccffa6e1e19a06f210f76bc3c36236200f8d29200721df56f5c990b45af330d803ada0b0467b660d74cd08a6b163cb5785f4853ce1e52a1dbc060a
ripemd-160
b9e008ee815a117718203d7760772757f058479c
Diameter
143620162
Circumference
451196045.84658
Area
1.6200212299561E+16
Volume
1.5511180765982E+24
Surface area
6.4800849198245E+16
Circumference
451196045.84658
Perimeter
287240324
Area
5156687733226561
Diagonal
101554790.46531
Surface area
30940126399359366
Volume
3.7030216381471E+23
Space diagonal
124378708.78764
Perimeter
215430243
Area
2.2329112881789E+15
Altitude
62189354.393818
Surface area
2.2329112881789E+15
Volume
4.3640528520238E+22
Height
33851596.82177