131531128 is an even 9-digits composite number following 131531127
and preceding 131531129 . In scientific notation, it is written as 1.31531128 × 10^8.
The sum of its digits is 25. It has a total of 6 prime factors and 32 positive divisors.
There are 64431360 positive integers (up to 131531128) that are relatively prime to 131531128.
131531128 has 32 divisors, whose sum is 251658000
The reverse of 131531128 is 821135131
Previous prime number is 61
Is Prime? no
Number parity even
Number length 9
Sum of Digits 25
Digital Root 7
Name
one hundred thirty-one million five hundred thirty-one thousand one hundred twenty-eight
Scientific notation
1.31531128 × 10^8
Engineering notation
1.31531128 × 10^6
Prime Factorization
2 × 2 × 2 × 409 × 61 × 659
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
32882782
Product of the distinct prime numbers
The prime factorization of 131531128 is 2 × 2 × 2 × 409 × 61 × 659.
Since it has a total of 6 prime factors.
5 , 3 , 65 , 81 , 94 , 263 , 1871 , 8273 , 631 , 14602 , 12929 , 711211 , 6480923 , 9622077 , 93782564 , 30116262 , 989204506 , 913215299 , 673619984 , 6432461133
n×2
263062256
n×3
394593384
n×4
526124512
n×5
657655640
n÷2
65765564
n÷3
43843709.333333
n÷3
32882782
n÷5
26306225.6
n2
17300437632952384
n3
2.2755460767559E+24
n4
2.9930514229168E+32
n5
3.9367942981825E+40
2 √n
11468.702106167
3 √n
508.56076089346
4 √n
107.09202634261
5 √n
42.053844927568
1 , 2 , 4 , 8 , 61 , 122 , 244 , 409 , 488 , 659 , 818 , 1318 , 1636 , 2636 , 3272 , 5272 , 24949 , 40199 , 49898 , 80398 , 99796 , 160796 , 199592 , 269531 , 321592 , 539062 , 1078124 , 2156248 , 16441391 , 32882782 , 65765564 , 131531128
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-131531127
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 131531128 can be divided by 32 positive divisors.
The sum of these divisors (counting 131531128) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111110101110000000101111000
3
Ternary
100011111110210021
4
Quaternary
13311300011320
5
Quinary
232132444003
6
Senary
21015100224
8
Octal
765600570
10
Decimal
131531128
12
Duodecimal
38071674
16
Hexadecimal
7d70178
20
Vigesimal
21217g8
36
Base36
26b62g
md5
b07813966e26a45f3c0dca703951e5a3
sha1
228f4473821d3704c26ad7d73456149f87a4c180
sha256
c9b920e2524a3011910cbd4a97ce25df184a7d073a871b07fa3cdc8c54702289
sha512
858248e057a79e570933aa401bccbe8419ae4034e76036c49ee8195180868422cd66d16a851da6849d61aacd9e2cf459aa5ff4e654bcc6e063795fb846a9eed4
ripemd-160
4e2895d1b7f5e2360d784be4495b7b8d98d45928
Diameter
263062256
Circumference
826434450.88636
Area
5.4350927771572E+16
Volume
9.5317851168551E+24
Surface area
2.1740371108629E+17
Circumference
826434450.88636
Perimeter
526124512
Area
17300437632952384
Diagonal
186013105.09183
Surface area
103802625797714304
Volume
2.2755460767559E+24
Space diagonal
227818596.47285
Perimeter
394593384
Area
7.4913092433625E+15
Altitude
113909298.23642
Surface area
7.4913092433625E+15
Volume
2.6817567696275E+23
Height
62004368.363944