81330232 is an even 8-digits composite number following 81330231
and preceding 81330233 . In scientific notation, it is written as 8.1330232 × 10^7.
The sum of its digits is 22. It has a total of 6 prime factors and 32 positive divisors.
There are 39997440 positive integers (up to 81330232) that are relatively prime to 81330232.
81330232 has 32 divisors, whose sum is 155020320
The reverse of 81330232 is 23203318
Previous prime number is 311
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
eighty-one million three hundred thirty thousand two hundred thirty-two
Scientific notation
8.1330232 × 10^7
Engineering notation
8.1330232 × 10^6
Prime Factorization
2 × 2 × 2 × 97 × 311 × 337
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
20332558
Product of the distinct prime numbers
The prime factorization of 81330232 is 2 × 2 × 2 × 97 × 311 × 337.
Since it has a total of 6 prime factors.
10 , 8 , 100 , 27 , 117 , 582 , 3152 , 7198 , 53695 , 39140 , 341549 , 859905 , 7081324 , 761297 , 92335508 , 68480265 , 209305567 , 415989621 , 8089815869 , 5808526928
n×2
162660464
n×3
243990696
n×4
325320928
n×5
406651160
n÷2
40665116
n÷3
27110077.333333
n÷3
20332558
n÷5
16266046.4
n2
6614606637173824
n3
5.3796749239009E+23
n4
4.3753020964544E+31
n5
3.5584433457472E+39
2 √n
9018.327561139
3 √n
433.26207006943
4 √n
94.964875407379
5 √n
38.198860011753
1 , 2 , 4 , 8 , 97 , 194 , 311 , 337 , 388 , 622 , 674 , 776 , 1244 , 1348 , 2488 , 2696 , 30167 , 32689 , 60334 , 65378 , 104807 , 120668 , 130756 , 209614 , 241336 , 261512 , 419228 , 838456 , 10166279 , 20332558 , 40665116 , 81330232
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81330231
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81330232 can be divided by 32 positive divisors.
The sum of these divisors (counting 81330232) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110110010000000000111000
3
Ternary
12200001000002211
4
Quaternary
10312100000320
5
Quinary
131310031412
6
Senary
12023104504
8
Octal
466200070
10
Decimal
81330232
12
Duodecimal
232a2134
16
Hexadecimal
4d90038
20
Vigesimal
15865bc
36
Base36
1cf6t4
md5
77d8d053ee649f35915dcee86f7f4773
sha1
41a9f1f166a90b34613f5a1b046b9cdc2136afee
sha256
99bc8373f5dd50024b4067eabddd08fbe09fb6b6d6d3fd7cdcd2ff3d0a3235d5
sha512
922b1bd69753ac1d73de56f30b7336ca0d6e60be35648093e5718bd77a4c5187848ec839d859ac1958e424b28c59ecff34c38680d9b9f6f8b0eddb774b68c158
ripemd-160
b68c941e278f63468ae33ff4b9adea0ceaa7d3c2
Diameter
162660464
Circumference
511012918.73191
Area
2.0780399617732E+16
Volume
2.2534329626171E+24
Surface area
8.3121598470926E+16
Circumference
511012918.73191
Perimeter
325320928
Area
6614606637173824
Diagonal
115018317.12535
Surface area
39687639823042944
Volume
5.3796749239009E+23
Space diagonal
140868094.01536
Perimeter
243990696
Area
2.8642086919168E+15
Altitude
70434047.007682
Surface area
2.8642086919168E+15
Volume
6.3400076987825E+22
Height
38339439.041783