81222182 is an even 8-digits composite number following 81222181
and preceding 81222183 . In scientific notation, it is written as 8.1222182 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 39844792 positive integers (up to 81222182) that are relatively prime to 81222182.
81222182 has 8 divisors, whose sum is 124132176
The reverse of 81222182 is 28122218
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
eighty-one million two hundred twenty-two thousand one hundred eighty-two
Scientific notation
8.1222182 × 10^7
Engineering notation
8.1222182 × 10^6
Prime Factorization
2 × 53 × 766247
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81222182
Product of the distinct prime numbers
The prime factorization of 81222182 is 2 × 53 × 766247.
Since it has a total of 3 prime factors.
8 , 9 , 21 , 15 , 816 , 558 , 1244 , 9613 , 5143 , 37683 , 503694 , 610916 , 374125 , 6766082 , 33769278 , 49926258 , 759965849 , 550420457 , 837007581 , 4408296386
n×2
162444364
n×3
243666546
n×4
324888728
n×5
406110910
n÷2
40611091
n÷3
27074060.666667
n÷3
20305545.5
n÷5
16244436.4
n2
6597042848841124
n3
5.3582621493037E+23
n4
4.3520974349446E+31
n5
3.534868499428E+39
2 √n
9012.3349915546
3 √n
433.07011720372
4 √n
94.933318658702
5 √n
38.188704914878
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
-81222181
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 81222182 can be divided by 8 positive divisors.
The sum of these divisors (counting 81222182) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110101110101101000100110
3
Ternary
12122211111212222
4
Quaternary
10311311220212
5
Quinary
131243102212
6
Senary
12020512342
8
Octal
465655046
10
Decimal
81222182
12
Duodecimal
2324b6b2
16
Hexadecimal
4d75a26
20
Vigesimal
157cf92
36
Base36
1ccvfq
md5
3e234f215a68c77688435fdb74d0d1b0
sha1
719835cc117826fcfd72671d388ca36f85c24602
sha256
d1b819f8984a765e5e6ad20c445dd982f23a4535c50991a9b4b4f3bae588191b
sha512
2cb9e58d1f5a114996e14ca57396f7a8d58b7d06acd84dd9250e7a7f7c30ca46ae4e2dc584bcb50e1dd781ef3659609a10f4e3880123b20a69ea2b3b3531623f
ripemd-160
8199a54e166f9506d48a59d44bcfe756a030653d
Diameter
162444364
Circumference
510334020.55947
Area
2.0725221349336E+16
Volume
2.2444636005681E+24
Surface area
8.2900885397345E+16
Circumference
510334020.55947
Perimeter
324888728
Area
6597042848841124
Diagonal
114865511.34994
Surface area
39582257093046744
Volume
5.3582621493037E+23
Space diagonal
140680945.92561
Perimeter
243666546
Area
2.8566033484754E+15
Altitude
70340472.962803
Surface area
2.8566033484754E+15
Volume
6.3147725019131E+22
Height
38288503.783312