81707082 is an even 8-digits composite number following 81707081
and preceding 81707083 . In scientific notation, it is written as 8.1707082 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 27211392 positive integers (up to 81707082) that are relatively prime to 81707082.
81707082 has 16 divisors, whose sum is 163560000
The reverse of 81707082 is 28070718
Previous prime number is 1249
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
eighty-one million seven hundred seven thousand eighty-two
Scientific notation
8.1707082 × 10^7
Engineering notation
8.1707082 × 10^6
Prime Factorization
2 × 3 × 1249 × 10903
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81707082
Product of the distinct prime numbers
The prime factorization of 81707082 is 2 × 3 × 1249 × 10903.
Since it has a total of 4 prime factors.
1 , 3 , 89 , 21 , 378 , 673 , 9741 , 319 , 54756 , 28747 , 501008 , 341481 , 6083239 , 2138712 , 15549791 , 52930722 , 539268263 , 130952137 , 8261148179 , 7398569757
n×2
163414164
n×3
245121246
n×4
326828328
n×5
408535410
n÷2
40853541
n÷3
27235694
n÷3
20426770.5
n÷5
16341416.4
n2
6676047248954724
n3
5.4548034000622E+23
n4
4.4569606870276E+31
n5
3.6416525232574E+39
2 √n
9039.1969776081
3 √n
433.93022372751
4 √n
95.074691572511
5 √n
38.234194065004
1 , 2 , 3 , 6 , 1249 , 2498 , 3747 , 7494 , 10903 , 21806 , 32709 , 65418 , 13617847 , 27235694 , 40853541 , 81707082
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
-81707081
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 81707082 can be divided by 16 positive divisors.
The sum of these divisors (counting 81707082) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110111101100000001001010
3
Ternary
12200202011001020
4
Quaternary
10313230001022
5
Quinary
131404111312
6
Senary
12035133310
8
Octal
467540112
10
Decimal
81707082
12
Duodecimal
23444236
16
Hexadecimal
4dec04a
20
Vigesimal
15ad7e2
36
Base36
1cn9l6
md5
dee6ccfd5cab8588adbd6f43aaf539f4
sha1
970c4bb5d5126bf6b7efaa4a88ef9ac370b45497
sha256
5c67ed7d0ca5873501123028a0cf0af8c1b9ba017ce9792d52b6f46117085667
sha512
c708928ff21e56a69ac59aa51f45e6815832b9158c90d3aa1e0b83fa0b15c8a65d00681203ecab50cd35e82dc6561b8d194959e4bed0e4dd821d58fc9fc26545
ripemd-160
21a456addf7cc12539de672102dc065de292f1f0
Diameter
163414164
Circumference
513380737.11492
Area
2.0973420992335E+16
Volume
2.2849027051216E+24
Surface area
8.3893683969338E+16
Circumference
513380737.11492
Perimeter
326828328
Area
6676047248954724
Diagonal
115551263.50633
Surface area
40056283493728344
Volume
5.4548034000622E+23
Space diagonal
141520817.3622
Perimeter
245121246
Area
2.89081325723E+15
Altitude
70760408.681098
Surface area
2.89081325723E+15
Volume
6.428547457039E+22
Height
38517087.835444