81170055 is an odd 8-digits composite number following 81170054
and preceding 81170056 . In scientific notation, it is written as 8.1170055 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 43185024 positive integers (up to 81170055) that are relatively prime to 81170055.
81170055 has 16 divisors, whose sum is 108491040
The reverse of 81170055 is 55007118
Previous prime number is 457
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
eighty-one million one hundred seventy thousand fifty-five
Scientific notation
8.1170055 × 10^7
Engineering notation
8.1170055 × 10^6
Prime Factorization
9 × 5 × 457 × 3947
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81170055
Product of the distinct prime numbers
The prime factorization of 81170055 is 9 × 5 × 457 × 3947.
Since it has a total of 4 prime factors.
3 , 4 , 55 , 94 , 921 , 130 , 5904 , 7134 , 25458 , 2045 , 432388 , 653754 , 3521465 , 9320681 , 63658169 , 57912604 , 61418859 , 984734161 , 3561946159 , 3242180434
n×2
162340110
n×3
243510165
n×4
324680220
n×5
405850275
n÷2
40585027.5
n÷3
27056685
n÷3
20292513.75
n÷5
16234011
n2
6588577828703025
n3
5.3479522472761E+23
n4
4.3409357804877E+31
n5
3.5235399605366E+39
2 √n
9009.442546573
3 √n
432.97745172529
4 √n
94.918083348607
5 √n
38.183801885193
1 , 5 , 9 , 45 , 457 , 2285 , 3947 , 4113 , 19735 , 20565 , 35523 , 177615 , 1803779 , 9018895 , 16234011 , 81170055
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
-81170054
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 81170055 can be divided by 16 positive divisors.
The sum of these divisors (counting 81170055) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101101000111010000111
3
Ternary
12122201212101100
4
Quaternary
10311220322013
5
Quinary
131234420210
6
Senary
12015431143
8
Octal
465507207
10
Decimal
81170055
12
Duodecimal
232254b3
16
Hexadecimal
4d68e87
20
Vigesimal
157652f
36
Base36
1cbr7r
md5
1194e06fcaa7e0c8aa4d480403f136ac
sha1
c4fb6fda854bd9242c6765087fc2d4aef72fe658
sha256
6cfb29ec051f7f8711d0491078fe1d8ebeb82b8f8fa121b3b83c9cf415d3ae89
sha512
0b1eb40d7858b65b015b95c7d0053fff2c588de38fcdff14eb5c0469af80b882608e487483c9b8deeec57ec9dd0d5859e6ad7dcde6e2dff97715622c0d5d1e7a
ripemd-160
702aa6b62d5cb21db66f198992a6a3b67d5ac1b6
Diameter
162340110
Circumference
510006496.95896
Area
2.0698627704258E+16
Volume
2.2401449989055E+24
Surface area
8.2794510817032E+16
Circumference
510006496.95896
Perimeter
324680220
Area
6588577828703025
Diagonal
114791792.63957
Surface area
39531466972218150
Volume
5.3479522472761E+23
Space diagonal
140590659.31316
Perimeter
243510165
Area
2.8529378872339E+15
Altitude
70295329.65658
Surface area
2.8529378872339E+15
Volume
6.3026221658512E+22
Height
38263930.879857