131661555 is an odd 9-digits composite number following 131661554
and preceding 131661556 . In scientific notation, it is written as 1.31661555 × 10^8.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 69988320 positive integers (up to 131661555) that are relatively prime to 131661555.
131661555 has 16 divisors, whose sum is 211352064
The reverse of 131661555 is 555166131
Previous prime number is 307
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
one hundred thirty-one million six hundred sixty-one thousand five hundred fifty-five
Scientific notation
1.31661555 × 10^8
Engineering notation
1.31661555 × 10^6
Prime Factorization
3 × 5 × 307 × 28591
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
131661555
Product of the distinct prime numbers
The prime factorization of 131661555 is 3 × 5 × 307 × 28591.
Since it has a total of 4 prime factors.
5 , 7 , 49 , 1 , 57 , 789 , 2653 , 9674 , 46131 , 12704 , 31088 , 896133 , 690033 , 9615507 , 14664599 , 45422624 , 230622762 , 333246514 , 1921786143 , 7511923943
n×2
263323110
n×3
394984665
n×4
526646220
n×5
658307775
n÷2
65830777.5
n÷3
43887185
n÷3
32915388.75
n÷5
26332311
n2
17334765065018025
n3
2.2823221240199E+24
n4
3.0049407985937E+32
n5
3.9563517822579E+40
2 √n
11474.386911726
3 √n
508.72880259082
4 √n
107.11856473892
5 √n
42.062181786901
1 , 3 , 5 , 15 , 307 , 921 , 1535 , 4605 , 28591 , 85773 , 142955 , 428865 , 8777437 , 26332311 , 43887185 , 131661555
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
-131661554
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 131661555 can be divided by 16 positive divisors.
The sum of these divisors (counting 131661555) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111110110001111111011110011
3
Ternary
100011202002200220
4
Quaternary
13312033323303
5
Quinary
232201132210
6
Senary
21021544123
8
Octal
766177363
10
Decimal
131661555
12
Duodecimal
38115043
16
Hexadecimal
7d8fef3
20
Vigesimal
212hdhf
36
Base36
26dypf
md5
b3ec6bc44926121910fde4347cba508f
sha1
a01daf1158ef5d8a07085fd9988ad9d5e3a3eea2
sha256
d1efa5793fe4c92f7c60909b6cdee5fc37b852132d8d55be81bd07fdb8ac6621
sha512
b735c79d017cf33d2df5c8a4265875f472f472e6375d20920e5c5ea4c42cbebda339a6ff439599d6c5a501d7c0a9dc730179d7c9f6e6d3877a2cfe138a4598f6
ripemd-160
4d50366fe8e80a2e89698d3c0576fd7a82f56afb
Diameter
263323110
Circumference
827253947.89642
Area
5.4458770579966E+16
Volume
9.560168557262E+24
Surface area
2.1783508231986E+17
Circumference
827253947.89642
Perimeter
526646220
Area
17334765065018025
Diagonal
186197556.72413
Surface area
104008590390108150
Volume
2.2823221240199E+24
Space diagonal
228044502.66352
Perimeter
394984665
Area
7.5061734574703E+15
Altitude
114022251.33176
Surface area
7.5061734574703E+15
Volume
2.689742417911E+23
Height
62065852.241377