81105963 is an odd 8-digits composite number following 81105962
and preceding 81105964 . In scientific notation, it is written as 8.1105963 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 50772096 positive integers (up to 81105963) that are relatively prime to 81105963.
81105963 has 16 divisors, whose sum is 114768000
The reverse of 81105963 is 36950118
Previous prime number is 499
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
eighty-one million one hundred five thousand nine hundred sixty-three
Scientific notation
8.1105963 × 10^7
Engineering notation
8.1105963 × 10^6
Prime Factorization
3 × 17 × 499 × 3187
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81105963
Product of the distinct prime numbers
The prime factorization of 81105963 is 3 × 17 × 499 × 3187.
Since it has a total of 4 prime factors.
3 , 7 , 46 , 61 , 172 , 946 , 9592 , 4420 , 54644 , 60461 , 205104 , 103615 , 1835141 , 6840147 , 14334701 , 13398346 , 205084570 , 270207608 , 3261767857 , 3066140042
n×2
162211926
n×3
243317889
n×4
324423852
n×5
405529815
n÷2
40552981.5
n÷3
27035321
n÷3
20276490.75
n÷5
16221192.6
n2
6578177234157369
n3
5.3352939936101E+23
n4
4.3272415723986E+31
n5
3.5096509486303E+39
2 √n
9005.8849093246
3 √n
432.86346183103
4 √n
94.899340931982
5 √n
38.177769982058
1 , 3 , 17 , 51 , 499 , 1497 , 3187 , 8483 , 9561 , 25449 , 54179 , 162537 , 1590313 , 4770939 , 27035321 , 81105963
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
-81105962
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 81105963 can be divided by 16 positive divisors.
The sum of these divisors (counting 81105963) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101011001010000101011
3
Ternary
12122121121110120
4
Quaternary
10311121100223
5
Quinary
131230342323
6
Senary
12014214323
8
Octal
465312053
10
Decimal
81105963
12
Duodecimal
231b43a3
16
Hexadecimal
4d5942b
20
Vigesimal
156i4i3
36
Base36
1cadrf
md5
e82fd60dbc4c9d3736d979bb3e171e33
sha1
f292dd44d2b13e92de28d99374b865fd26c823b6
sha256
d6276d068cbf7251a25a55f6d2c44153f387317714c294c7cf8e1660f0759db7
sha512
fd71b51541762c4d3d37db9eb6768a51010f20c60c71cf2f990ba40aa71c558764eae7ec533c9b6c6ea403c39d816ebeb041119a90cacf32ece508ef7e1225d8
ripemd-160
39c7859b65513647a8afbd2dddbd62e3b55295b9
Diameter
162211926
Circumference
509603795.04625
Area
2.066595327284E+16
Volume
2.234842722009E+24
Surface area
8.2663813091362E+16
Circumference
509603795.04625
Perimeter
324423852
Area
6578177234157369
Diagonal
114701152.86393
Surface area
39469063404944214
Volume
5.3352939936101E+23
Space diagonal
140479648.7128
Perimeter
243317889
Area
2.8484342976884E+15
Altitude
70239824.356401
Surface area
2.8484342976884E+15
Volume
6.2877042708426E+22
Height
38233717.62131