131818169 is an odd 9-digits composite number following 131818168
and preceding 131818170 . In scientific notation, it is written as 1.31818169 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 108319680 positive integers (up to 131818169) that are relatively prime to 131818169.
131818169 has 16 divisors, whose sum is 156963840
The reverse of 131818169 is 961818131
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred thirty-one million eight hundred eighteen thousand one hundred sixty-nine
Scientific notation
1.31818169 × 10^8
Engineering notation
1.31818169 × 10^6
Prime Factorization
7 × 31 × 109 × 5573
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
131818169
Product of the distinct prime numbers
The prime factorization of 131818169 is 7 × 31 × 109 × 5573.
Since it has a total of 4 prime factors.
7 , 7 , 100 , 46 , 714 , 14 , 546 , 8161 , 78769 , 47147 , 388043 , 242375 , 4679513 , 5118420 , 74669866 , 27977506 , 375866574 , 980453650 , 2233722550 , 3113073883
n×2
263636338
n×3
395454507
n×4
527272676
n×5
659090845
n÷2
65909084.5
n÷3
43939389.666667
n÷3
32954542.25
n÷5
26363633.8
n2
17376029678512561
n3
2.2904764167112E+24
n4
3.0192640738855E+32
n5
3.9799386194707E+40
2 √n
11481.209387517
3 √n
508.93043695621
4 √n
107.15040544728
5 √n
42.072183786918
1 , 7 , 31 , 109 , 217 , 763 , 3379 , 5573 , 23653 , 39011 , 172763 , 607457 , 1209341 , 4252199 , 18831167 , 131818169
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
-131818168
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 131818169 can be divided by 16 positive divisors.
The sum of these divisors (counting 131818169) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111110110110110001010111001
3
Ternary
100012001001112102
4
Quaternary
13312312022321
5
Quinary
232221140134
6
Senary
21025153145
8
Octal
766661271
10
Decimal
131818169
12
Duodecimal
3818b7b5
16
Hexadecimal
7db62b9
20
Vigesimal
213h589
36
Base36
26hbjt
md5
20571ebf8a5a3e8b6729552404663e61
sha1
4e4cfadeb59d399be01bdfc7384936b078e97b66
sha256
8a47f72a97182e9f0db90fa701edb4bf216ff9027282d9225752dea77e743e5e
sha512
7e845706d0b77eecaf96b71d9556ed9fe517a9f8b3da441cb5f62b4d9af9921df990ffb6eb4ccc0e53adaea0520f3eb83a5b8ad4449fc56cd562f6907caf098a
ripemd-160
17ccc6fda503e7442e57970c7ff053f17893c1ed
Diameter
263636338
Circumference
828237982.68012
Area
5.4588407186573E+16
Volume
9.594325178614E+24
Surface area
2.1835362874629E+17
Circumference
828237982.68012
Perimeter
527272676
Area
17376029678512561
Diagonal
186419042.36699
Surface area
104256178071075366
Volume
2.2904764167112E+24
Space diagonal
228315766.0687
Perimeter
395454507
Area
7.5240415592521E+15
Altitude
114157883.03435
Surface area
7.5240415592521E+15
Volume
2.6993523440072E+23
Height
62139680.788996