81330276 is an even 8-digits composite number following 81330275
and preceding 81330277 . In scientific notation, it is written as 8.1330276 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 27083232 positive integers (up to 81330276) that are relatively prime to 81330276.
81330276 has 24 divisors, whose sum is 189958720
The reverse of 81330276 is 67203318
Previous prime number is 1237
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighty-one million three hundred thirty thousand two hundred seventy-six
Scientific notation
8.1330276 × 10^7
Engineering notation
8.1330276 × 10^6
Prime Factorization
2 × 2 × 3 × 1237 × 5479
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
40665138
Product of the distinct prime numbers
The prime factorization of 81330276 is 2 × 2 × 3 × 1237 × 5479.
Since it has a total of 5 prime factors.
8 , 2 , 16 , 95 , 700 , 28 , 4235 , 5014 , 69799 , 42192 , 569312 , 880104 , 2977965 , 94116 , 89931567 , 84911454 , 863818679 , 310358065 , 5828312802 , 8381059854
n×2
162660552
n×3
243990828
n×4
325321104
n×5
406651380
n÷2
40665138
n÷3
27110092
n÷3
20332569
n÷5
16266055.2
n2
6614613794236176
n3
5.3796836551864E+23
n4
4.37531156469E+31
n5
3.5584529714223E+39
2 √n
9018.3300006154
3 √n
433.26214820162
4 √n
94.964888251476
5 √n
38.198864144901
1 , 2 , 3 , 4 , 6 , 12 , 1237 , 2474 , 3711 , 4948 , 5479 , 7422 , 10958 , 14844 , 16437 , 21916 , 32874 , 65748 , 6777523 , 13555046 , 20332569 , 27110092 , 40665138 , 81330276
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
-81330275
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 81330276 can be divided by 24 positive divisors.
The sum of these divisors (counting 81330276) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110110010000000001100100
3
Ternary
12200001000011110
4
Quaternary
10312100001210
5
Quinary
131310032101
6
Senary
12023105020
8
Octal
466200144
10
Decimal
81330276
12
Duodecimal
232a2170
16
Hexadecimal
4d90064
20
Vigesimal
15865dg
36
Base36
1cf6uc
md5
872bba36c9256fbfc23979ab9c65b6de
sha1
9ad0bb0fded8434c80732d7bdd305f4bab34ebd8
sha256
05ceaf6caa055b9e428426733554d89201f978226f011d40a9fedb2ae2c5490d
sha512
fd6b09ceee0433a105fb66636aaa0a7fed1e8ac3bed206910ca5e21a571a98b393988a7d4f5f5fc4336f43d5fb6a8dbb635bc9f44bdc08d59dcbb9e9ce5a7393
ripemd-160
9cf31453c36016ee0c06e011b9906cc31f8620f0
Diameter
162660552
Circumference
511013195.19206
Area
2.0780422102306E+16
Volume
2.2534366199694E+24
Surface area
8.3121688409224E+16
Circumference
511013195.19206
Perimeter
325321104
Area
6614613794236176
Diagonal
115018379.35075
Surface area
39687682765417056
Volume
5.3796836551864E+23
Space diagonal
140868170.2256
Perimeter
243990828
Area
2.8642117910158E+15
Altitude
70434085.1128
Surface area
2.8642117910158E+15
Volume
6.3400179887012E+22
Height
38339459.783582