81330359 is an odd 8-digits composite number following 81330358
and preceding 81330360 . In scientific notation, it is written as 8.1330359 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 73526400 positive integers (up to 81330359) that are relatively prime to 81330359.
81330359 has 8 divisors, whose sum is 89216400
The reverse of 81330359 is 95303318
Previous prime number is 181
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
eighty-one million three hundred thirty thousand three hundred fifty-nine
Scientific notation
8.1330359 × 10^7
Engineering notation
8.1330359 × 10^6
Prime Factorization
11 × 181 × 40849
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81330359
Product of the distinct prime numbers
The prime factorization of 81330359 is 11 × 181 × 40849.
Since it has a total of 3 prime factors.
6 , 9 , 91 , 40 , 801 , 818 , 4571 , 4388 , 25189 , 34790 , 226118 , 939825 , 9256673 , 1082046 , 20398933 , 87367185 , 66023872 , 359872517 , 8136885478 , 3626869037
n×2
162660718
n×3
243991077
n×4
325321436
n×5
406651795
n÷2
40665179.5
n÷3
27110119.666667
n÷3
20332589.75
n÷5
16266071.8
n2
6614627295068881
n3
5.3797001255915E+23
n4
4.375329425267E+31
n5
3.5584711290023E+39
2 √n
9018.3346023531
3 √n
433.26229558727
4 √n
94.9649124801
5 √n
38.198871941517
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
-81330358
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 81330359 can be divided by 8 positive divisors.
The sum of these divisors (counting 81330359) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110110010000000010110111
3
Ternary
12200001000021112
4
Quaternary
10312100002313
5
Quinary
131310032414
6
Senary
12023105235
8
Octal
466200267
10
Decimal
81330359
12
Duodecimal
232a221b
16
Hexadecimal
4d900b7
20
Vigesimal
15865hj
36
Base36
1cf6wn
md5
9796f6fcaeb174dba596cec259422996
sha1
e12bfef768882b697f341f51a329902fdef4e7f9
sha256
5d7355d89fb99caa67ba1a9f2b19d781ff26c8460f7ae1ca2df75d09ff878bf8
sha512
038372a589262917a3b802d04c1ebf845a81497e3e7e2b9d9fc0e8967e6268b567b6d07e02bb4ff3edc9c66f70f7f76393c7195e3ce789cdcf442a6b4f821747
ripemd-160
430e1330c545226f700eef4bbc0f2c129d96d726
Diameter
162660718
Circumference
511013716.69644
Area
2.0780464516423E+16
Volume
2.2534435190766E+24
Surface area
8.3121858065692E+16
Circumference
511013716.69644
Perimeter
325321436
Area
6614627295068881
Diagonal
115018496.73047
Surface area
39687763770413286
Volume
5.3797001255915E+23
Space diagonal
140868313.98582
Perimeter
243991077
Area
2.8642176370478E+15
Altitude
70434156.992908
Surface area
2.8642176370478E+15
Volume
6.3400373992598E+22
Height
38339498.910158