81444346 is an even 8-digits composite number following 81444345
and preceding 81444347 . In scientific notation, it is written as 8.1444346 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 40627260 positive integers (up to 81444346) that are relatively prime to 81444346.
81444346 has 8 divisors, whose sum is 122451264
The reverse of 81444346 is 64344418
Previous prime number is 431
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty-one million four hundred forty-four thousand three hundred forty-six
Scientific notation
8.1444346 × 10^7
Engineering notation
8.1444346 × 10^6
Prime Factorization
2 × 431 × 94483
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81444346
Product of the distinct prime numbers
The prime factorization of 81444346 is 2 × 431 × 94483.
Since it has a total of 3 prime factors.
9 , 8 , 51 , 9 , 721 , 33 , 9252 , 4815 , 57182 , 30967 , 870222 , 45754 , 1332944 , 9426342 , 23259598 , 14819910 , 208834850 , 74858881 , 8829714196 , 5455581711
n×2
162888692
n×3
244333038
n×4
325777384
n×5
407221730
n÷2
40722173
n÷3
27148115.333333
n÷3
20361086.5
n÷5
16288869.2
n2
6633181495367716
n3
5.4023512878953E+23
n4
4.3999096750489E+31
n5
3.5834776594343E+39
2 √n
9024.6521262595
3 √n
433.46461124453
4 √n
94.998169067933
5 √n
38.209573322689
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
-81444345
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 81444346 can be divided by 8 positive divisors.
The sum of these divisors (counting 81444346) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110110101011110111111010
3
Ternary
12200020210122021
4
Quaternary
10312223313322
5
Quinary
131322204341
6
Senary
12025345054
8
Octal
466536772
10
Decimal
81444346
12
Duodecimal
2333818a
16
Hexadecimal
4dabdfa
20
Vigesimal
1590ah6
36
Base36
1chmuy
md5
fe3382766d73cf311132d398c5ef2d01
sha1
83b9b97fbc2f838fcbc8d5e92a84388a02812bde
sha256
5c68a4e986d22aa616a67b37cecbb711dd98da315721778da7c5b65dfa746882
sha512
5a9b2545a2a2bc08009c3b50eff0ae232396a1430ffaa2aafbac9408d920392b50c7e3c412247e3b33fb8f051a85e1847c49573b0ca0fefacd06decb9993cb44
ripemd-160
6a0da9625b2baf9687ac65355cf85641c4dfed4d
Diameter
162888692
Circumference
511729918.14005
Area
2.0838754255775E+16
Volume
2.2629316157551E+24
Surface area
8.33550170231E+16
Circumference
511729918.14005
Perimeter
325777384
Area
6633181495367716
Diagonal
115179698.69181
Surface area
39799088972206296
Volume
5.4023512878953E+23
Space diagonal
141065745.26122
Perimeter
244333038
Area
2.8722518414506E+15
Altitude
70532872.63061
Surface area
2.8722518414506E+15
Volume
6.3667320500377E+22
Height
38393232.897269