71228181 is an odd 8-digits composite number following 71228180
and preceding 71228182 . In scientific notation, it is written as 7.1228181 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 44611584 positive integers (up to 71228181) that are relatively prime to 71228181.
71228181 has 16 divisors, whose sum is 100738944
The reverse of 71228181 is 18182217
Previous prime number is 823
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
seventy-one million two hundred twenty-eight thousand one hundred eighty-one
Scientific notation
7.1228181 × 10^7
Engineering notation
7.1228181 × 10^6
Prime Factorization
3 × 17 × 823 × 1697
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71228181
Product of the distinct prime numbers
The prime factorization of 71228181 is 3 × 17 × 823 × 1697.
Since it has a total of 4 prime factors.
6 , 1 , 20 , 22 , 139 , 870 , 3836 , 9678 , 91001 , 92737 , 29891 , 541446 , 6166234 , 8607499 , 49374201 , 68527912 , 652102921 , 93955231 , 3887682102 , 5852823165
n×2
142456362
n×3
213684543
n×4
284912724
n×5
356140905
n÷2
35614090.5
n÷3
23742727
n÷3
17807045.25
n÷5
14245636.2
n2
5073453768568761
n3
3.6137288332275E+23
n4
2.5739933141805E+31
n5
1.8334086167524E+39
2 √n
8439.6789630886
3 √n
414.52489491424
4 √n
91.86772536146
5 √n
37.198923389846
1 , 3 , 17 , 51 , 823 , 1697 , 2469 , 5091 , 13991 , 28849 , 41973 , 86547 , 1396631 , 4189893 , 23742727 , 71228181
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
-71228180
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 71228181 can be divided by 16 positive divisors.
The sum of these divisors (counting 71228181) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100001111101101101100010101
3
Ternary
11222000202200210
4
Quaternary
10033231230111
5
Quinary
121213300211
6
Senary
11022400033
8
Octal
417555425
10
Decimal
71228181
12
Duodecimal
1ba30019
16
Hexadecimal
43edb15
20
Vigesimal
1253a91
36
Base36
16eo0l
md5
b8f10e0a1a136a4e9c02d7927ef08178
sha1
b22c0bcba6b57137c22946042130214c096f4cde
sha256
7cf62addae250ccf98e4c5e2fd036e1b22530635129e355ee28614a2d29d3bc3
sha512
7d4bb1b77c9ceb7cf1d78fc4f7dd5dd5959520676fa58ef93dae523c326a21e29168f80e8cde7bc2e6be491549ed0c0c074ef04aadf5ce163cfc3e9ac8d9c561
ripemd-160
7b11b4679e90c2103b14af70ddfc2dec67add4a2
Diameter
142456362
Circumference
447539860.31633
Area
1.5938725087663E+16
Volume
1.5137151939377E+24
Surface area
6.3754900350652E+16
Circumference
447539860.31633
Perimeter
284912724
Area
5073453768568761
Diagonal
100731859.59337
Surface area
30440722611412566
Volume
3.6137288332275E+23
Space diagonal
123370828.42271
Perimeter
213684543
Area
2.1968699242532E+15
Altitude
61685414.211356
Surface area
2.1968699242532E+15
Volume
4.2588202722408E+22
Height
33577286.531122