82181806 is an even 8-digits composite number following 82181805
and preceding 82181807 . In scientific notation, it is written as 8.2181806 × 10^7.
The sum of its digits is 34. It has a total of 5 prime factors and 32 positive divisors.
There are 32598720 positive integers (up to 82181806) that are relatively prime to 82181806.
82181806 has 32 divisors, whose sum is 151769088
The reverse of 82181806 is 60818128
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty-two million one hundred eighty-one thousand eight hundred six
Scientific notation
8.2181806 × 10^7
Engineering notation
8.2181806 × 10^6
Prime Factorization
2 × 7 × 31 × 23 × 8233
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
82181806
Product of the distinct prime numbers
The prime factorization of 82181806 is 2 × 7 × 31 × 23 × 8233.
Since it has a total of 5 prime factors.
8 , 5 , 79 , 36 , 437 , 577 , 8388 , 1896 , 73574 , 97996 , 94130 , 783468 , 9392071 , 3179534 , 97941255 , 47876555 , 786819539 , 676573408 , 4684734682 , 2469525849
n×2
164363612
n×3
246545418
n×4
328727224
n×5
410909030
n÷2
41090903
n÷3
27393935.333333
n÷3
20545451.5
n÷5
16436361.2
n2
6753849237421636
n3
5.5504352778303E+23
n4
4.5614479521821E+31
n5
3.7486803068533E+39
2 √n
9065.4181370745
3 √n
434.76898995052
4 √n
95.212489396479
5 √n
38.278519851295
1 , 2 , 7 , 14 , 23 , 31 , 46 , 62 , 161 , 217 , 322 , 434 , 713 , 1426 , 4991 , 8233 , 9982 , 16466 , 57631 , 115262 , 189359 , 255223 , 378718 , 510446 , 1325513 , 1786561 , 2651026 , 3573122 , 5870129 , 11740258 , 41090903 , 82181806
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-82181805
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 82181806 can be divided by 32 positive divisors.
The sum of these divisors (counting 82181806) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100111001011111111010101110
3
Ternary
12201122021020121
4
Quaternary
10321133322232
5
Quinary
132014304211
6
Senary
12053235154
8
Octal
471377256
10
Decimal
82181806
12
Duodecimal
23632aba
16
Hexadecimal
4e5feae
20
Vigesimal
15dcea6
36
Base36
1cxfvy
md5
9db28207c4bc0510ddebec116a6aee3d
sha1
06ec854ae989cfc31d75ed128992735c1c701129
sha256
9d1610184ee65b862e503476d393091915b83649528a31391fb1a8fff1bc81a3
sha512
d9994726c48447ee3adce16cb8344f06000216ba44e49b90ece7098973988b0218e75feb8896757963bed2ba33169adedbe3c1615c32fe3627e5c0be67b2c45b
ripemd-160
5cb6fa38c1b828c186a475e0f94a6ce2751cde1c
Diameter
164363612
Circumference
516363515.97668
Area
2.1217843147737E+16
Volume
2.3249608924077E+24
Surface area
8.4871372590947E+16
Circumference
516363515.97668
Perimeter
328727224
Area
6753849237421636
Diagonal
116222624.62551
Surface area
40523095424529816
Volume
5.5504352778303E+23
Space diagonal
142343063.44977
Perimeter
246545418
Area
2.9245025064686E+15
Altitude
71171531.724884
Surface area
2.9245025064686E+15
Volume
6.5412507058181E+22
Height
38740874.875172