131818785 is an odd 9-digits composite number following 131818784
and preceding 131818786 . In scientific notation, it is written as 1.31818785 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 58975680 positive integers (up to 131818785) that are relatively prime to 131818785.
131818785 has 16 divisors, whose sum is 211559040
The reverse of 131818785 is 587818131
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred thirty-one million eight hundred eighteen thousand seven hundred eighty-five
Scientific notation
1.31818785 × 10^8
Engineering notation
1.31818785 × 10^6
Prime Factorization
3 × 329 × 5 × 26711
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
131818785
Product of the distinct prime numbers
The prime factorization of 131818785 is 3 × 329 × 5 × 26711.
Since it has a total of 4 prime factors.
2 , 6 , 90 , 32 , 380 , 592 , 6538 , 5630 , 3822 , 57179 , 660022 , 184118 , 6080062 , 1790861 , 32356776 , 68875759 , 343086813 , 957158078 , 2729460110 , 2008851997
n×2
263637570
n×3
395456355
n×4
527275140
n×5
659093925
n÷2
65909392.5
n÷3
43939595
n÷3
32954696.25
n÷5
26363757
n2
17376192078876225
n3
2.2905085277641E+24
n4
3.01932051162E+32
n5
3.9800316136733E+40
2 √n
11481.236213927
3 √n
508.93122971658
4 √n
107.15053062831
5 √n
42.072223108382
1 , 3 , 5 , 15 , 329 , 987 , 1645 , 4935 , 26711 , 80133 , 133555 , 400665 , 8787919 , 26363757 , 43939595 , 131818785
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
-131818784
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 131818785 can be divided by 16 positive divisors.
The sum of these divisors (counting 131818785) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111110110110110010100100001
3
Ternary
100012001002101020
4
Quaternary
13312312110201
5
Quinary
232221200120
6
Senary
21025200053
8
Octal
766662441
10
Decimal
131818785
12
Duodecimal
38190029
16
Hexadecimal
7db6521
20
Vigesimal
213h6j5
36
Base36
26hc0x
md5
b6d72812997fbb1e735376cbfc3149d2
sha1
942164d08c768eb9bf6bbd7d0ae5b74a6897ca54
sha256
9662cce0d301f8a7397651e9b1e200cef62fd79935076989dec399e13d91a6be
sha512
3466eb80a98fca690be32976f5a12632e1eca86a4054b922a939e9da1a189467de249ae207f82903677f9844dc0ff3ba7a90aaece0fe397641f0b9888397d18a
ripemd-160
93702a1f15c75f8d208b4f96dd53c5cec7137ed3
Diameter
263637570
Circumference
828241853.12226
Area
5.4588917382363E+16
Volume
9.5944596850779E+24
Surface area
2.1835566952945E+17
Circumference
828241853.12226
Perimeter
527275140
Area
17376192078876225
Diagonal
186419913.52254
Surface area
104257152473257350
Volume
2.2905085277641E+24
Space diagonal
228316833.012
Perimeter
395456355
Area
7.5241118806724E+15
Altitude
114158416.506
Surface area
7.5241118806724E+15
Volume
2.699390187246E+23
Height
62139971.174181