81194798 is an even 8-digits composite number following 81194797
and preceding 81194799 . In scientific notation, it is written as 8.1194798 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 39424320 positive integers (up to 81194798) that are relatively prime to 81194798.
81194798 has 16 divisors, whose sum is 125324304
The reverse of 81194798 is 89749118
Previous prime number is 937
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
eighty-one million one hundred ninety-four thousand seven hundred ninety-eight
Scientific notation
8.1194798 × 10^7
Engineering notation
8.1194798 × 10^6
Prime Factorization
2 × 37 × 937 × 1171
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81194798
Product of the distinct prime numbers
The prime factorization of 81194798 is 2 × 37 × 937 × 1171.
Since it has a total of 4 prime factors.
8 , 7 , 42 , 14 , 1000 , 877 , 1970 , 4015 , 20486 , 27182 , 179450 , 905610 , 3295048 , 4238340 , 50784902 , 16157179 , 471371451 , 784648645 , 3116332583 , 9909533307
n×2
162389596
n×3
243584394
n×4
324779192
n×5
405973990
n÷2
40597399
n÷3
27064932.666667
n÷3
20298699.5
n÷5
16238959.6
n2
6592595222260804
n3
5.3528443736723E+23
n4
4.3462311764576E+31
n5
3.5289136243378E+39
2 √n
9010.8156123627
3 √n
433.02144197395
4 √n
94.925315971888
5 √n
38.18612950868
1 , 2 , 37 , 74 , 937 , 1171 , 1874 , 2342 , 34669 , 43327 , 69338 , 86654 , 1097227 , 2194454 , 40597399 , 81194798
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
-81194797
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 81194798 can be divided by 16 positive divisors.
The sum of these divisors (counting 81194798) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101101110111100101110
3
Ternary
12122210010022202
4
Quaternary
10311232330232
5
Quinary
131241213143
6
Senary
12020141502
8
Octal
465567456
10
Decimal
81194798
12
Duodecimal
23237892
16
Hexadecimal
4d6ef2e
20
Vigesimal
15796ji
36
Base36
1ccab2
md5
59583c81bc0fb810ead9b3278566943b
sha1
8d2c11d925c186f10357a4275299d7f27c1d350b
sha256
de0d97b22140970da8cf8a3de32cc7bf2427b4f3683131ab731ef498abc8e67b
sha512
529c201a42f5e8baf296a62164713dea9e01ed516e0ffa793fb550e533cdc8d50882945d94c3d8b63ddb7554169ecde297346ca5ca84db6f1b370da4be3af8a8
ripemd-160
9639508923bac6320ec5b73cb6171a4394b52e9d
Diameter
162389596
Circumference
510161961.81301
Area
2.0711248718346E+16
Volume
2.2421942080185E+24
Surface area
8.2844994873383E+16
Circumference
510161961.81301
Perimeter
324779192
Area
6592595222260804
Diagonal
114826784.52574
Surface area
39555571333564824
Volume
5.3528443736723E+23
Space diagonal
140633515.44629
Perimeter
243584394
Area
2.8546774696729E+15
Altitude
70316757.723146
Surface area
2.8546774696729E+15
Volume
6.3083875920999E+22
Height
38275594.841915