81332018 is an even 8-digits composite number following 81332017
and preceding 81332019 . In scientific notation, it is written as 8.1332018 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 40650804 positive integers (up to 81332018) that are relatively prime to 81332018.
81332018 has 8 divisors, whose sum is 122043648
The reverse of 81332018 is 81023318
Previous prime number is 3463
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
eighty-one million three hundred thirty-two thousand eighteen
Scientific notation
8.1332018 × 10^7
Engineering notation
8.1332018 × 10^6
Prime Factorization
2 × 3463 × 11743
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81332018
Product of the distinct prime numbers
The prime factorization of 81332018 is 2 × 3463 × 11743.
Since it has a total of 3 prime factors.
5 , 7 , 45 , 50 , 894 , 985 , 9568 , 9095 , 24477 , 56801 , 364412 , 755760 , 6584637 , 10774 , 53508994 , 72101677 , 482756434 , 695212351 , 9233191957 , 4013674619
n×2
162664036
n×3
243996054
n×4
325328072
n×5
406660090
n÷2
40666009
n÷3
27110672.666667
n÷3
20333004.5
n÷5
16266403.6
n2
6614897151952324
n3
5.3800293423074E+23
n4
4.3756864330907E+31
n5
3.5588340773849E+39
2 √n
9018.4265811726
3 √n
433.26524150345
4 √n
94.96539675678
5 √n
38.199027778555
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
-81332017
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 81332018 can be divided by 8 positive divisors.
The sum of these divisors (counting 81332018) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110110010000011100110010
3
Ternary
12200001002112222
4
Quaternary
10312100130302
5
Quinary
131310111033
6
Senary
12023121042
8
Octal
466203462
10
Decimal
81332018
12
Duodecimal
232a3182
16
Hexadecimal
4d90732
20
Vigesimal
1586a0i
36
Base36
1cf86q
md5
01e6a846c8b31d6b3649eebcf4912000
sha1
617ce83c7b38f5c9593225dbac57ef6ae086a3f3
sha256
ffa3cac0c701ba3458d9b863b81abcf989ac216d17a30776b17f4eab6692998f
sha512
296850a5c288be7bfef15ed1b7c17c0602a97288b561d52f8cf7d9ca6a0dbf6c607c7ec685946bc677d0ec3f5c8e3870571dd80f849388ed268bcbff140de13a
ripemd-160
480028dd49bc193254b18316b45e37e160cc6f64
Diameter
162664036
Circumference
511024140.50087
Area
2.0781312296825E+16
Volume
2.253581421052E+24
Surface area
8.3125249187302E+16
Circumference
511024140.50087
Perimeter
325328072
Area
6614897151952324
Diagonal
115020842.91077
Surface area
39689382911713944
Volume
5.3800293423074E+23
Space diagonal
140871187.45811
Perimeter
243996054
Area
2.864334488506E+15
Altitude
70435593.729053
Surface area
2.864334488506E+15
Volume
6.3404253848802E+22
Height
38340280.970258