131445815 is an odd 9-digits composite number following 131445814
and preceding 131445816 . In scientific notation, it is written as 1.31445815 × 10^8.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 105114400 positive integers (up to 131445815) that are relatively prime to 131445815.
131445815 has 8 divisors, whose sum is 157798368
The reverse of 131445815 is 518544131
Previous prime number is 4013
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred thirty-one million four hundred forty-five thousand eight hundred fifteen
Scientific notation
1.31445815 × 10^8
Engineering notation
1.31445815 × 10^6
Prime Factorization
5 × 4013 × 6551
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
131445815
Product of the distinct prime numbers
The prime factorization of 131445815 is 5 × 4013 × 6551.
Since it has a total of 3 prime factors.
6 , 2 , 36 , 32 , 987 , 481 , 4924 , 283 , 82453 , 58256 , 806956 , 247239 , 9868517 , 1512601 , 33118250 , 93017999 , 375002564 , 502115286 , 3067254325 , 266258519
n×2
262891630
n×3
394337445
n×4
525783260
n×5
657229075
n÷2
65722907.5
n÷3
43815271.666667
n÷3
32861453.75
n÷5
26289163
n2
17278002281014225
n3
2.2711210913998E+24
n4
2.9852936282273E+32
n5
3.9240435397665E+40
2 √n
11464.98211948
3 √n
508.45078381381
4 √n
107.0746567563
5 √n
42.048388164726
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
-131445814
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 131445815 can be divided by 8 positive divisors.
The sum of these divisors (counting 131445815) is 1, the average is 0.125.
Base
System
Value
2
Binary
111110101011011010000110111
3
Ternary
100011100010202112
4
Quaternary
13311123100313
5
Quinary
232122231230
6
Senary
21013201235
8
Octal
765332067
10
Decimal
131445815
12
Duodecimal
3803021b
16
Hexadecimal
7d5b437
20
Vigesimal
211aeaf
36
Base36
269c8n
md5
39f81b0652f95e5d09c84bea23bc1155
sha1
97c1732e99ae18eea93acb89b87aab147c0d15b2
sha256
00ec1ec2636c82833d0c4f85950b94bcf16c73e1746722f712b3f9a7402f05f5
sha512
9999fd3715da8757c09fd479551125e7770fc364265d646c089ce0864c42c37309f0d2094da3505e691b99bc9bb8ae3ee5f3139ad09793c41f4f582d21db4759
ripemd-160
91cd4f303415ac69ccb0ac152e3167284bcc161c
Diameter
262891630
Circumference
825898413.49825
Area
5.4280445034742E+16
Volume
9.5132497815391E+24
Surface area
2.1712178013897E+17
Circumference
825898413.49825
Perimeter
525783260
Area
17278002281014225
Diagonal
185892454.29018
Surface area
103668013686085350
Volume
2.2711210913998E+24
Space diagonal
227670830.0223
Perimeter
394337445
Area
7.4815944510019E+15
Altitude
113835415.01115
Surface area
7.4815944510019E+15
Volume
2.6765418743743E+23
Height
61964151.430062