81282104 is an even 8-digits composite number following 81282103
and preceding 81282105 . In scientific notation, it is written as 8.1282104 × 10^7.
The sum of its digits is 26. It has a total of 5 prime factors and 16 positive divisors.
There are 40556320 positive integers (up to 81282104) that are relatively prime to 81282104.
81282104 has 16 divisors, whose sum is 152721720
The reverse of 81282104 is 40128218
Previous prime number is 491
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
eighty-one million two hundred eighty-two thousand one hundred four
Scientific notation
8.1282104 × 10^7
Engineering notation
8.1282104 × 10^6
Prime Factorization
2 × 2 × 2 × 491 × 20693
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20320526
Product of the distinct prime numbers
The prime factorization of 81282104 is 2 × 2 × 2 × 491 × 20693.
Since it has a total of 5 prime factors.
1 , 5 , 66 , 62 , 486 , 401 , 5105 , 7974 , 59499 , 98347 , 810311 , 51064 , 4818050 , 5738549 , 59416344 , 32319470 , 396202981 , 745897845 , 6035800422 , 75524267
n×2
162564208
n×3
243846312
n×4
325128416
n×5
406410520
n÷2
40641052
n÷3
27094034.666667
n÷3
20320526
n÷5
16256420.8
n2
6606780430666816
n3
5.3701301407062E+23
n4
4.3649547659042E+31
n5
3.5479270723752E+39
2 √n
9015.6588222936
3 √n
433.1765907797
4 √n
94.950823178599
5 √n
38.194338027716
1 , 2 , 4 , 8 , 491 , 982 , 1964 , 3928 , 20693 , 41386 , 82772 , 165544 , 10160263 , 20320526 , 40641052 , 81282104
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
-81282103
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 81282104 can be divided by 16 positive divisors.
The sum of these divisors (counting 81282104) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110110000100010000111000
3
Ternary
12122221120002022
4
Quaternary
10312010100320
5
Quinary
131302011404
6
Senary
12022054012
8
Octal
466042070
10
Decimal
81282104
12
Duodecimal
2327a308
16
Hexadecimal
4d84438
20
Vigesimal
1580554
36
Base36
1ce5o8
md5
1dcb092f17bb1898711c95460bfff99c
sha1
86d8f865a56e4f402c5b7351cacb4757395ce984
sha256
a33f8575696332e084f0e8481fcf4bd7b50ce43f01aecba1a97cbd3f36b08fbe
sha512
367326bc34d997ccc532f8f13390c1bc670f50ca9b8a168d8cc3b0ccd28431ea743b9e7c52fc01ec43ca4be928ff550f8964c0d26dfe8a1e016b50682e1e4b02
ripemd-160
a322f0f73645aaa9d7a38274a1580ed895c0fd15
Diameter
162564208
Circumference
510710521.58944
Area
2.0755812864864E+16
Volume
2.2494348531819E+24
Surface area
8.3023251459455E+16
Circumference
510710521.58944
Perimeter
325128416
Area
6606780430666816
Diagonal
114950253.85502
Surface area
39640682584000896
Volume
5.3701301407062E+23
Space diagonal
140784733.8741
Perimeter
243846312
Area
2.8608198450917E+15
Altitude
70392366.937049
Surface area
2.8608198450917E+15
Volume
6.3287590639128E+22
Height
38316751.285007