81105795 is an odd 8-digits composite number following 81105794
and preceding 81105796 . In scientific notation, it is written as 8.1105795 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 43010496 positive integers (up to 81105795) that are relatively prime to 81105795.
81105795 has 16 divisors, whose sum is 108756000
The reverse of 81105795 is 59750118
Previous prime number is 179
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighty-one million one hundred five thousand seven hundred ninety-five
Scientific notation
8.1105795 × 10^7
Engineering notation
8.1105795 × 10^6
Prime Factorization
9 × 5 × 179 × 10069
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81105795
Product of the distinct prime numbers
The prime factorization of 81105795 is 9 × 5 × 179 × 10069.
Since it has a total of 4 prime factors.
2 , 6 , 69 , 100 , 34 , 296 , 1734 , 8353 , 36904 , 13080 , 156897 , 388631 , 2960717 , 3947638 , 91936314 , 92205526 , 474692446 , 269614553 , 39887408 , 5324910063
n×2
162211590
n×3
243317385
n×4
324423180
n×5
405528975
n÷2
40552897.5
n÷3
27035265
n÷3
20276448.75
n÷5
16221159
n2
6578149982582025
n3
5.3352608396655E+23
n4
4.3272057193344E+31
n5
3.5096145999516E+39
2 √n
9005.8755820853
3 √n
432.86316295818
4 √n
94.899291789166
5 √n
38.17775416603
1 , 5 , 9 , 45 , 179 , 895 , 1611 , 8055 , 10069 , 50345 , 90621 , 453105 , 1802351 , 9011755 , 16221159 , 81105795
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
-81105794
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 81105795 can be divided by 16 positive divisors.
The sum of these divisors (counting 81105795) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101011001001110000011
3
Ternary
12122121121020100
4
Quaternary
10311121032003
5
Quinary
131230341140
6
Senary
12014213443
8
Octal
465311603
10
Decimal
81105795
12
Duodecimal
231b4283
16
Hexadecimal
4d59383
20
Vigesimal
156i49f
36
Base36
1cadmr
md5
ecef02572dda44bef4e3b49d9158cbd1
sha1
b34261bb568b93a3c22c833679667fb318c987ba
sha256
6c5a0f89d1493eb3e51bf277e573f4d543c4ffa12dc097c5fdb93834125c1c88
sha512
5ec5a087b25fd5984b9ddcc53dc458b2960e49be88e63e9f8b6554ae74f7d7f93a6e6fced27b37c9efd754980d010442e51a1a293e906c3290f62bbcb1d58c8b
ripemd-160
4f9cfe06b6e5b55e5512ab854f36c522ac6f361a
Diameter
162211590
Circumference
509602739.47112
Area
2.0665867659492E+16
Volume
2.2348288345171E+24
Surface area
8.2663470637966E+16
Circumference
509602739.47112
Perimeter
324423180
Area
6578149982582025
Diagonal
114700915.27605
Surface area
39468899895492150
Volume
5.3352608396655E+23
Space diagonal
140479357.72827
Perimeter
243317385
Area
2.8484224974101E+15
Altitude
70239678.864133
Surface area
2.8484224974101E+15
Volume
6.2876651985442E+22
Height
38233638.425351