81330268 is an even 8-digits composite number following 81330267
and preceding 81330269 . In scientific notation, it is written as 8.1330268 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors.
There are 39052608 positive integers (up to 81330268) that are relatively prime to 81330268.
81330268 has 24 divisors, whose sum is 148024800
The reverse of 81330268 is 86203318
Previous prime number is 197
Is Prime? no Number parity even Number length 8 Sum of Digits 31 Digital Root 4
Name
eighty-one million three hundred thirty thousand two hundred sixty-eight
Scientific notation
8.1330268 × 10^7
Engineering notation
8.1330268 × 10^6
Prime Factorization
2 × 2 × 29 × 197 × 3559
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
40665134 Product of the distinct prime numbers
The prime factorization of 81330268 is 2 × 2 × 29 × 197 × 3559.
Since it has a total of 5 prime factors.
2 , 8 , 25 , 86 , 838 , 632 , 8600 , 6994 , 87144 , 54270 , 52894 , 114311 , 1697762 , 1175916 , 97746645 , 92446152 , 878324289 , 537222881 , 6073527140 , 1014319743
n×2
162660536
n×3
243990804
n×4
325321072
n×5
406651340
n÷2
40665134
n÷3
27110089.333333
n÷3
20332567
n÷5
16266053.6
n2
6614612492951824
n3
5.3796820676792E+23
n4
4.3753098431914E+31
n5
3.558451221298E+39
2 √n9018.3295570743
3 √n433.26213399577
4 √n94.964885916186
5 √n38.19886339342
1 , 2 , 4 , 29 , 58 , 116 , 197 , 394 , 788 , 3559 , 5713 , 7118 , 11426 , 14236 , 22852 , 103211 , 206422 , 412844 , 701123 , 1402246 , 2804492 , 20332567 , 40665134 , 81330268
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-81330267 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81330268 can be divided by 24 positive divisors.
The sum of these divisors (counting 81330268) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110110010000000001011100
3
Ternary
12200001000011011
4
Quaternary
10312100001130
5
Quinary
131310032033
6
Senary
12023105004
8
Octal
466200134
10
Decimal
81330268
12
Duodecimal
232a2164
16
Hexadecimal
4d9005c
20
Vigesimal
15865d8
36
Base36
1cf6u4
md5
c0965787e6c4da8a295b44efcbc343dc
sha1
be2adb1be842a88816cc47102e8b09a89b51b0e8
sha256
8caa3a817235c0798db6b65e76df6201f68fc0c106159f3373fc8c42c8c0225c
sha512
c9b0f587656e031568de5c05fa1bb4468c224fdadf0c25e4b7fbb900a7a661e5a70fae16033e7f385f1ef0910858f306db4aac098245aced41324c32078e4ff8
ripemd-160
ccb14a85354322298abcfbe50e6c7be13be16383
Diameter
162660536
Circumference
511013144.92658
Area
2.0780418014201E+16
Volume
2.253435954996E+24
Surface area
8.3121672056803E+16
Circumference
511013144.92658
Perimeter
325321072
Area
6614612492951824
Diagonal
115018368.03704
Surface area
39687674957710944
Volume
5.3796820676792E+23
Space diagonal
140868156.36919
Perimeter
243990804
Area
2.8642112275431E+15
Altitude
70434078.184597
Surface area
2.8642112275431E+15
Volume
6.340016117806E+22
Height
38339456.012346