131808105 is an odd 9-digits composite number following 131808104
and preceding 131808106 . In scientific notation, it is written as 1.31808105 × 10^8.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 58988160 positive integers (up to 131808105) that are relatively prime to 131808105.
131808105 has 8 divisors, whose sum is 144043488
The reverse of 131808105 is 501808131
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 27
Digital Root 9
Name
one hundred thirty-one million eight hundred eight thousand one hundred five
Scientific notation
1.31808105 × 10^8
Engineering notation
1.31808105 × 10^6
Prime Factorization
585 × 11 × 20483
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
131808105
Product of the distinct prime numbers
The prime factorization of 131808105 is 585 × 11 × 20483.
Since it has a total of 3 prime factors.
10 , 9 , 99 , 36 , 746 , 703 , 6181 , 6963 , 36253 , 6244 , 292454 , 720755 , 930078 , 3330257 , 12891857 , 51467907 , 666084982 , 655728178 , 201926615 , 7013846024
n×2
263616210
n×3
395424315
n×4
527232420
n×5
659040525
n÷2
65904052.5
n÷3
43936035
n÷3
32952026.25
n÷5
26361621
n2
17373376543691025
n3
2.2899518396754E+24
n4
3.0183421252887E+32
n5
3.9784195577598E+40
2 √n
11480.771097797
3 √n
508.91748475519
4 √n
107.14836021982
5 √n
42.0715413453
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
-131808104
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 131808105 can be divided by 8 positive divisors.
The sum of these divisors (counting 131808105) is 1, the average is 0.125.
Base
System
Value
2
Binary
111110110110011101101101001
3
Ternary
100012000112201200
4
Quaternary
13312303231221
5
Quinary
232220324410
6
Senary
21025034413
8
Octal
766635551
10
Decimal
131808105
12
Duodecimal
38185a09
16
Hexadecimal
7db3b69
20
Vigesimal
213g055
36
Base36
26h3s9
md5
2131539544e5c97f9ea7e77fcbddc3d3
sha1
811773ae152a7d337af3359a18d183c65ccd0aac
sha256
dd35244c2c4cbae672f6fbb452fdfa37ae0331247e46f2a68a9591d0eb50ccb1
sha512
c2217969e75c0101067c0e963475bd6acbadcc50443f4f78c2c1bbbb384345ba5733fece81525abfd38a423fe865fb8ed201fe4b179e65a2f78d944e4a98cf52
ripemd-160
6dba92f5ed82d405082326b14d2f1905c1465294
Diameter
263616210
Circumference
828174748.70318
Area
5.4580072117709E+16
Volume
9.5921278354647E+24
Surface area
2.1832028847084E+17
Circumference
828174748.70318
Perimeter
527232420
Area
17373376543691025
Diagonal
186404809.7217
Surface area
104240259262146150
Volume
2.2899518396754E+24
Space diagonal
228298334.70937
Perimeter
395424315
Area
7.5228927181746E+15
Altitude
114149167.35469
Surface area
7.5228927181746E+15
Volume
2.6987341240418E+23
Height
62134936.573899