81130166 is an even 8-digits composite number following 81130165
and preceding 81130167 . In scientific notation, it is written as 8.1130166 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 36885024 positive integers (up to 81130166) that are relatively prime to 81130166.
81130166 has 16 divisors, whose sum is 133015344
The reverse of 81130166 is 66103118
Previous prime number is 67
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
eighty-one million one hundred thirty thousand one hundred sixty-six
Scientific notation
8.1130166 × 10^7
Engineering notation
8.1130166 × 10^6
Prime Factorization
2 × 13 × 67 × 46573
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81130166
Product of the distinct prime numbers
The prime factorization of 81130166 is 2 × 13 × 67 × 46573.
Since it has a total of 4 prime factors.
4 , 10 , 44 , 40 , 226 , 856 , 4798 , 4507 , 75575 , 64612 , 950800 , 54614 , 6935876 , 1803578 , 94330203 , 46559883 , 216390198 , 556706455 , 213677066 , 2106840249
n×2
162260332
n×3
243390498
n×4
324520664
n×5
405650830
n÷2
40565083
n÷3
27043388.666667
n÷3
20282541.5
n÷5
16226033.2
n2
6582103835187556
n3
5.34007176778E+23
n4
4.3324090897191E+31
n5
3.5148906862882E+39
2 √n
9007.2285415659
3 √n
432.90651477904
4 √n
94.906419917548
5 √n
38.180048251762
1 , 2 , 13 , 26 , 67 , 134 , 871 , 1742 , 46573 , 93146 , 605449 , 1210898 , 3120391 , 6240782 , 40565083 , 81130166
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
-81130165
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 81130166 can be divided by 16 positive divisors.
The sum of these divisors (counting 81130166) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101011111001010110110
3
Ternary
12122122211122222
4
Quaternary
10311133022312
5
Quinary
131232131131
6
Senary
12014522342
8
Octal
465371266
10
Decimal
81130166
12
Duodecimal
232063b2
16
Hexadecimal
4d5f2b6
20
Vigesimal
1571586
36
Base36
1cawfq
md5
dfd46f1a764724582a05c3c03386f23a
sha1
e56011d5d0e7127fee0f1e2fd3206231c6acdad9
sha256
5db439029e592bba7db9cc4f906b92835e9ca4e0af4750f8c47b88c57664ddc0
sha512
708181dcfc3b5368a52573f30dbded63a441a311b0559b9eee12d46b2bb3c62b45d043a8ef2376f1a9276b44af705022195eff09d8718e029951409f8d42bf91
ripemd-160
09fd55a9d4cc94bb044746f1ec41222fb221bb91
Diameter
162260332
Circumference
509755866.98024
Area
2.067828905379E+16
Volume
2.2368440313733E+24
Surface area
8.2713156215162E+16
Circumference
509755866.98024
Perimeter
324520664
Area
6582103835187556
Diagonal
114735381.07478
Surface area
39492623011125336
Volume
5.34007176778E+23
Space diagonal
140521569.5385
Perimeter
243390498
Area
2.8501345658097E+15
Altitude
70260784.769249
Surface area
2.8501345658097E+15
Volume
6.2933349317002E+22
Height
38245127.024927