81199097 is an odd 8-digits composite number following 81199096
and preceding 81199098 . In scientific notation, it is written as 8.1199097 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 69552864 positive integers (up to 81199097) that are relatively prime to 81199097.
81199097 has 8 divisors, whose sum is 92860800
The reverse of 81199097 is 79099118
Previous prime number is 2039
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
eighty-one million one hundred ninety-nine thousand ninety-seven
Scientific notation
8.1199097 × 10^7
Engineering notation
8.1199097 × 10^6
Prime Factorization
7 × 2039 × 5689
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81199097
Product of the distinct prime numbers
The prime factorization of 81199097 is 7 × 2039 × 5689.
Since it has a total of 3 prime factors.
10 , 9 , 85 , 92 , 610 , 820 , 7110 , 7277 , 71198 , 68893 , 758600 , 828470 , 125256 , 9308228 , 65608601 , 54899283 , 737490349 , 658325689 , 6815885091 , 3191956083
n×2
162398194
n×3
243597291
n×4
324796388
n×5
405995485
n÷2
40599548.5
n÷3
27066365.666667
n÷3
20299774.25
n÷5
16239819.4
n2
6593293353615409
n3
5.3536946656967E+23
n4
4.3471517246829E+31
n5
3.5298479456625E+39
2 √n
9011.0541558688
3 √n
433.02908419723
4 √n
94.926572443488
5 √n
38.186533866343
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
-81199096
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 81199097 can be divided by 8 positive divisors.
The sum of these divisors (counting 81199097) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110101101111111111111001
3
Ternary
12122210100012222
4
Quaternary
10311233333321
5
Quinary
131241332342
6
Senary
12020213425
8
Octal
465577771
10
Decimal
81199097
12
Duodecimal
2323a275
16
Hexadecimal
4d6fff9
20
Vigesimal
1579heh
36
Base36
1ccdmh
md5
3fa33d763435a8576479737ed13bc7a6
sha1
418041c1cdc0b78b5063b526b022113c774643a9
sha256
05894147da9d911f14c343177707d84dbd90aebd363234be99a7d75d1da51d77
sha512
8166c20a1a4f866473f1c14bce41f5579f9defd47f83c1a4e5a607d948f15319ceecba028691fb4ac64e22caa592a4ce5170aa74768fd6f821c684daa9a9a61f
ripemd-160
ec8926e02dfae108f05e63fed92f3544fd52d1ba
Diameter
162398194
Circumference
510188973.22665
Area
2.0713441962681E+16
Volume
2.2425503775088E+24
Surface area
8.2853767850722E+16
Circumference
510188973.22665
Perimeter
324796388
Area
6593293353615409
Diagonal
114832864.22985
Surface area
39559760121692454
Volume
5.3536946656967E+23
Space diagonal
140640961.53271
Perimeter
243597291
Area
2.854979769417E+15
Altitude
70320480.766357
Surface area
2.854979769417E+15
Volume
6.3093896708607E+22
Height
38277621.40995