131427891 is an odd 9-digits composite number following 131427890
and preceding 131427892 . In scientific notation, it is written as 1.31427891 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 74738160 positive integers (up to 131427891) that are relatively prime to 131427891.
131427891 has 16 divisors, whose sum is 184470528
The reverse of 131427891 is 198724131
Previous prime number is 211
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred thirty-one million four hundred twenty-seven thousand eight hundred ninety-one
Scientific notation
1.31427891 × 10^8
Engineering notation
1.31427891 × 10^6
Prime Factorization
3 × 21 × 211 × 9887
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
131427891
Product of the distinct prime numbers
The prime factorization of 131427891 is 3 × 21 × 211 × 9887.
Since it has a total of 4 prime factors.
5 , 7 , 4 , 14 , 260 , 639 , 7378 , 1325 , 26216 , 75345 , 351084 , 427362 , 2228013 , 7927058 , 2145306 , 98714596 , 21528798 , 982015219 , 7560003999 , 7291103570
n×2
262855782
n×3
394283673
n×4
525711564
n×5
657139455
n÷2
65713945.5
n÷3
43809297
n÷3
32856972.75
n÷5
26285578.2
n2
17273290532707881
n3
2.2701921453441E+24
n4
2.9836656582734E+32
n5
3.9213688491599E+40
2 √n
11464.200408227
3 √n
508.42767191755
4 √n
107.07100638468
5 √n
42.047241355417
1 , 3 , 21 , 63 , 211 , 633 , 4431 , 9887 , 13293 , 29661 , 207627 , 622881 , 2086157 , 6258471 , 43809297 , 131427891
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
-131427890
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 131427891 can be divided by 16 positive divisors.
The sum of these divisors (counting 131427891) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111110101010110111000110011
3
Ternary
100011022020011200
4
Quaternary
13311112320303
5
Quinary
232121143031
6
Senary
21012542243
8
Octal
765267063
10
Decimal
131427891
12
Duodecimal
38021983
16
Hexadecimal
7d56e33
20
Vigesimal
21189eb
36
Base36
268yer
md5
524ec8456400b9b0fd9424eb4181e376
sha1
af453a760d2d0046fe261fde349b7652328b8546
sha256
970c1f9534ffcbcdb007c5fee0e2cbff130e0f2b254af9a70e59c22b0e2d795e
sha512
a0fd6503442df1a8007b184783d445888959ed9010bbdf302be288a3c1aa611651694567307bbf1c0712a649ec54fae49207c6e27e076bd382853224b50bb744
ripemd-160
36672806ba9b6b6bf99f00bef9a01776e3806403
Diameter
262855782
Circumference
825785793.6848
Area
5.4265642640877E+16
Volume
9.5093586214002E+24
Surface area
2.1706257056351E+17
Circumference
825785793.6848
Perimeter
525711564
Area
17273290532707881
Diagonal
185867105.92629
Surface area
103639743196247286
Volume
2.2701921453441E+24
Space diagonal
227639784.74362
Perimeter
394283673
Area
7.4795542041371E+15
Altitude
113819892.37181
Surface area
7.4795542041371E+15
Volume
2.6754471009487E+23
Height
61955701.975431