81336186 is an even 8-digits composite number following 81336185
and preceding 81336187 . In scientific notation, it is written as 8.1336186 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 27086400 positive integers (up to 81336186) that are relatively prime to 81336186.
81336186 has 16 divisors, whose sum is 135688680
The reverse of 81336186 is 68163318
Previous prime number is 1901
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighty-one million three hundred thirty-six thousand one hundred eighty-six
Scientific notation
8.1336186 × 10^7
Engineering notation
8.1336186 × 10^6
Prime Factorization
2 × 9 × 1901 × 2377
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81336186
Product of the distinct prime numbers
The prime factorization of 81336186 is 2 × 9 × 1901 × 2377.
Since it has a total of 4 prime factors.
5 , 8 , 93 , 85 , 431 , 333 , 1284 , 2485 , 96521 , 18484 , 52341 , 786198 , 5251766 , 1435521 , 86565358 , 17136506 , 579083814 , 870986619 , 6802880633 , 3680914967
n×2
162672372
n×3
244008558
n×4
325344744
n×5
406680930
n÷2
40668093
n÷3
27112062
n÷3
20334046.5
n÷5
16267237.2
n2
6615575153026596
n3
5.3808565114355E+23
n4
4.3765834605343E+31
n5
3.5597460639054E+39
2 √n
9018.6576606499
3 √n
433.27264251937
4 √n
94.96661339992
5 √n
38.199419285586
1 , 2 , 9 , 18 , 1901 , 2377 , 3802 , 4754 , 17109 , 21393 , 34218 , 42786 , 4518677 , 9037354 , 40668093 , 81336186
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
-81336185
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 81336186 can be divided by 16 positive divisors.
The sum of these divisors (counting 81336186) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110110010001011101111010
3
Ternary
12200001022021100
4
Quaternary
10312101131322
5
Quinary
131310224221
6
Senary
12023152230
8
Octal
466213572
10
Decimal
81336186
12
Duodecimal
232a5676
16
Hexadecimal
4d9177a
20
Vigesimal
1587096
36
Base36
1cfbei
md5
a42f2d11f2a12e47feac76bae0ce6efd
sha1
3d23cb3559b11a6f863122c048ca8d4880254da0
sha256
29d20d159bef8eb7ac1df52b0d5ffc344610c04cb29b66bdfd401862a095b18f
sha512
2ea1791f2ed40d96fede4cd8ebf4addaa76bdf06bebc8a02dbe7e32a67c892d71eb3ff6aacaeef3add58346b63e0d88a840ed011b214cbb8b713fdff32e217a3
ripemd-160
a460c9a4e2f9a0f21ede0941130b72003aea1da6
Diameter
162672372
Circumference
511050328.81723
Area
2.078344230002E+16
Volume
2.2539279048462E+24
Surface area
8.3133769200078E+16
Circumference
511050328.81723
Perimeter
325344744
Area
6615575153026596
Diagonal
115026737.3529
Surface area
39693450918159576
Volume
5.3808565114355E+23
Space diagonal
140878406.64587
Perimeter
244008558
Area
2.8646280715831E+15
Altitude
70439203.322936
Surface area
2.8646280715831E+15
Volume
6.3414002130464E+22
Height
38342245.7843