131661545 is an odd 9-digits composite number following 131661544
and preceding 131661546 . In scientific notation, it is written as 1.31661545 × 10^8.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 95445504 positive integers (up to 131661545) that are relatively prime to 131661545.
131661545 has 16 divisors, whose sum is 173543040
The reverse of 131661545 is 545166131
Previous prime number is 19
Is Prime? no Number parity odd Number length 9 Sum of Digits 32 Digital Root 5
Name
one hundred thirty-one million six hundred sixty-one thousand five hundred forty-five
Scientific notation
1.31661545 × 10^8
Engineering notation
1.31661545 × 10^6
Prime Factorization
5 × 23 × 19 × 60257
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
131661545 Product of the distinct prime numbers
The prime factorization of 131661545 is 5 × 23 × 19 × 60257.
Since it has a total of 4 prime factors.
4 , 1 , 45 , 42 , 754 , 67 , 4812 , 9147 , 78782 , 62106 , 298899 , 733291 , 5361431 , 3223993 , 87791208 , 51622038 , 191133056 , 311391967 , 7902625200 , 2630748320
n×2
263323090
n×3
394984635
n×4
526646180
n×5
658307725
n÷2
65830772.5
n÷3
43887181.666667
n÷3
32915386.25
n÷5
26332309
n2
17334762431787025
n3
2.282321603977E+24
n4
3.0049398856649E+32
n5
3.9563502797877E+40
2 √n11474.386475973
3 √n508.72878971111
4 √n107.11856270495
5 √n42.062181147957
1 , 5 , 19 , 23 , 95 , 115 , 437 , 2185 , 60257 , 301285 , 1144883 , 1385911 , 5724415 , 6929555 , 26332309 , 131661545
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
-131661544 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 131661545 can be divided by 16 positive divisors.
The sum of these divisors (counting 131661545) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111110110001111111011101001
3
Ternary
100011202002200112
4
Quaternary
13312033323221
5
Quinary
232201132140
6
Senary
21021544105
8
Octal
766177351
10
Decimal
131661545
12
Duodecimal
38115035
16
Hexadecimal
7d8fee9
20
Vigesimal
212hdh5
36
Base36
26dyp5
md5
1764d6cf9f6588b8fdfa2408a408123e
sha1
dd16c3f8b3199a200d6abb145cceb016e49d7c10
sha256
ef25a9ff06e54ca24cea8d90ecefddbea0a8d340133cf8cc89ac7afa8ec163ad
sha512
7cdd8382c7e8a7af7e8a2ea7445d02d90b09d77cda63ab4635111ae0ee4a6331d01dd3a81e89793b73ae1058000f9fc461f8f9277de8609385628840d5556287
ripemd-160
344645cd1a760467cad98950d8315dcd9fb53a4b
Diameter
263323090
Circumference
827253885.06456
Area
5.4458762307426E+16
Volume
9.5601663789114E+24
Surface area
2.1783504922971E+17
Circumference
827253885.06456
Perimeter
526646180
Area
17334762431787025
Diagonal
186197542.582
Surface area
104008574590722150
Volume
2.282321603977E+24
Space diagonal
228044485.34302
Perimeter
394984635
Area
7.5061723172478E+15
Altitude
114022242.67151
Surface area
7.5061723172478E+15
Volume
2.6897418050345E+23
Height
62065847.527332