131361231 is an odd 9-digits composite number following 131361230
and preceding 131361232 . In scientific notation, it is written as 1.31361231 × 10^8.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 82402848 positive integers (up to 131361231) that are relatively prime to 131361231.
131361231 has 16 divisors, whose sum is 185616000
The reverse of 131361231 is 132163131
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 21
Digital Root 3
Name
one hundred thirty-one million three hundred sixty-one thousand two hundred thirty-one
Scientific notation
1.31361231 × 10^8
Engineering notation
1.31361231 × 10^6
Prime Factorization
19 × 3 × 149 × 15467
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
131361231
Product of the distinct prime numbers
The prime factorization of 131361231 is 19 × 3 × 149 × 15467.
Since it has a total of 4 prime factors.
8 , 8 , 48 , 90 , 734 , 968 , 1557 , 8968 , 4307 , 79448 , 417399 , 83970 , 9321174 , 460503 , 65607103 , 2188422 , 670890731 , 981152918 , 2219501160 , 2107024460
n×2
262722462
n×3
394083693
n×4
525444924
n×5
656806155
n÷2
65680615.5
n÷3
43787077
n÷3
32840307.75
n÷5
26272246.2
n2
17255773009835361
n3
2.2667395844285E+24
n4
2.9776170216696E+32
n5
3.9114343741308E+40
2 √n
11461.292728135
3 √n
508.341699501
4 √n
107.05742724414
5 √n
42.042975232139
1 , 3 , 19 , 57 , 149 , 447 , 2831 , 8493 , 15467 , 46401 , 293873 , 881619 , 2304583 , 6913749 , 43787077 , 131361231
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
-131361230
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 131361231 can be divided by 16 positive divisors.
The sum of these divisors (counting 131361231) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111110101000110100111001111
3
Ternary
100011011211201210
4
Quaternary
13311012213033
5
Quinary
232112024411
6
Senary
21011305503
8
Octal
765064717
10
Decimal
131361231
12
Duodecimal
37bab293
16
Hexadecimal
7d469cf
20
Vigesimal
211031b
36
Base36
267iz3
md5
01dfad622acb917f1faf101f24ee7c6f
sha1
8fac7ba1877179da753d47bdf1c7d4dbe8cada1b
sha256
ec54bb196c89f13b7184ff811cd17696030f8111b9352150dbe6178ee1c83bd2
sha512
64a6838decfe31f9a4dc5b7142fdc2a824f0ae5ec692d5acbc1a60f5fdee0b90054f2ddd7a6edb182f9a65ac15a8311a6818155142acf394b28af81806fefbe0
ripemd-160
02cebeb641b446d215fc6099f760fc2a753758e7
Diameter
262722462
Circumference
825366956.55222
Area
5.4210609719712E+16
Volume
9.4948965680559E+24
Surface area
2.1684243887885E+17
Circumference
825366956.55222
Perimeter
525444924
Area
17255773009835361
Diagonal
185772834.45023
Surface area
103534638059012166
Volume
2.2667395844285E+24
Space diagonal
227524326.23679
Perimeter
394083693
Area
7.4719688942276E+15
Altitude
113762163.1184
Surface area
7.4719688942276E+15
Volume
2.671378218889E+23
Height
61924278.150075