131445868 is an even 9-digits composite number following 131445867
and preceding 131445869 . In scientific notation, it is written as 1.31445868 × 10^8.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 65392272 positive integers (up to 131445868) that are relatively prime to 131445868.
131445868 has 12 divisors, whose sum is 231187600
The reverse of 131445868 is 868544131
Previous prime number is 199
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred thirty-one million four hundred forty-five thousand eight hundred sixty-eight
Scientific notation
1.31445868 × 10^8
Engineering notation
1.31445868 × 10^6
Prime Factorization
2 × 2 × 199 × 165133
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
65722934
Product of the distinct prime numbers
The prime factorization of 131445868 is 2 × 2 × 199 × 165133.
Since it has a total of 4 prime factors.
8 , 5 , 94 , 36 , 294 , 707 , 3819 , 4420 , 20651 , 28649 , 168600 , 555969 , 8999815 , 6734933 , 90280321 , 84953259 , 283009532 , 779968229 , 1287978547 , 4689693215
n×2
262891736
n×3
394337604
n×4
525783472
n×5
657229340
n÷2
65722934
n÷3
43815289.333333
n÷3
32861467
n÷5
26289173.6
n2
17278016214273424
n3
2.2711238386032E+24
n4
2.985298443007E+32
n5
3.924051450801E+40
2 √n
11464.984430866
3 √n
508.45085215094
4 √n
107.07466754964
5 √n
42.048391555575
1 , 2 , 4 , 199 , 398 , 796 , 165133 , 330266 , 660532 , 32861467 , 65722934 , 131445868
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-131445867
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 131445868 can be divided by 12 positive divisors.
The sum of these divisors (counting 131445868) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111110101011011010001101100
3
Ternary
100011100010211111
4
Quaternary
13311123101230
5
Quinary
232122231433
6
Senary
21013201404
8
Octal
765332154
10
Decimal
131445868
12
Duodecimal
38030264
16
Hexadecimal
7d5b46c
20
Vigesimal
211aed8
36
Base36
269ca4
md5
cc34575ba9b553270699046f6944fb05
sha1
870058df08937f4e7a853bf6105f0bb34eccc478
sha256
02250d2996e763f51dbf12ccf09e9cddf99d1a022dc12031320686764adaf94e
sha512
30543147ddfad6c9ca116e63b77ae29bef9e79e46b85e871854db578d54ce562f2765b9095168511f8d42201785ff5e9de498d338e250c6f41a1859f7b922bc7
ripemd-160
02875ca758bbedaf0c182587e73215e1cdba86c0
Diameter
262891736
Circumference
825898746.50707
Area
5.4280488807367E+16
Volume
9.5132612889981E+24
Surface area
2.1712195522947E+17
Circumference
825898746.50707
Perimeter
525783472
Area
17278016214273424
Diagonal
185892529.2435
Surface area
103668097285640544
Volume
2.2711238386032E+24
Space diagonal
227670921.82099
Perimeter
394337604
Area
7.4816004842801E+15
Altitude
113835460.9105
Surface area
7.4816004842801E+15
Volume
2.6765451119846E+23
Height
61964176.414501