20931131 is an odd 8-digits composite number following 20931130
and preceding 20931132 . In scientific notation, it is written as 2.0931131 × 10^7.
The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors.
There are 17831424 positive integers (up to 20931131) that are relatively prime to 20931131.
20931131 has 16 divisors, whose sum is 24331104
The reverse of 20931131 is 13113902
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million nine hundred thirty-one thousand one hundred thirty-one
Scientific notation
2.0931131 × 10^7
Engineering notation
2.0931131 × 10^6
Prime Factorization
13 × 17 × 53 × 1787
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20931131
Product of the distinct prime numbers
The prime factorization of 20931131 is 13 × 17 × 53 × 1787.
Since it has a total of 4 prime factors.
6 , 2 , 17 , 50 , 260 , 585 , 1790 , 3492 , 81185 , 83272 , 604017 , 754542 , 353335 , 5214686 , 2276310 , 13281794 , 897347977 , 461771826 , 3257932422 , 1087218439
n×2
41862262
n×3
62793393
n×4
83724524
n×5
104655655
n÷2
10465565.5
n÷3
6977043.6666667
n÷3
5232782.75
n÷5
4186226.2
n2
438112244939161
n3
9.1701847915257E+21
n4
1.9194233916563E+29
n5
4.0175702455223E+36
2 √n
4575.0553002122
3 √n
275.59049314086
4 √n
67.63915508204
5 √n
29.117798690338
1 , 13 , 17 , 53 , 221 , 689 , 901 , 1787 , 11713 , 23231 , 30379 , 94711 , 394927 , 1231243 , 1610087 , 20931131
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
-20931130
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 20931131 can be divided by 16 positive divisors.
The sum of these divisors (counting 20931131) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111110110001000111011
3
Ternary
1110101102010002
4
Quaternary
1033312020323
5
Quinary
20324244011
6
Senary
2024343215
8
Octal
117661073
10
Decimal
20931131
12
Duodecimal
7014b0b
16
Hexadecimal
13f623b
20
Vigesimal
6ag7gb
36
Base36
cgmkb
md5
6fdb0a4c409cb4612896e140063ad1cf
sha1
bd2ee95547645215d4517edcffc3878b69e40913
sha256
7329c13b94aa0ff4f0314537280e02681a4f9821494f3e06de85961853734aa5
sha512
3a12d135ae45b49f99a90289c7bba393fb7613a1e1ca1a82ae4e86a9c454f577f73c713e81848fcbdd3b2657793708b4fe4ed0fec21c800e7a9028c502f8d440
ripemd-160
cdffadd7ed411bf1e392d397e186a05f41fdb993
Diameter
41862262
Circumference
131514174.76185
Area
1.3763702101486E+15
Volume
3.8411980230824E+22
Surface area
5.5054808405944E+15
Circumference
131514174.76185
Perimeter
83724524
Area
438112244939161
Diagonal
29601089.336008
Surface area
2628673469634966
Volume
9.1701847915257E+21
Space diagonal
36253782.35188
Perimeter
62793393
Area
1.8970816691317E+14
Altitude
18126891.17594
Surface area
1.8970816691317E+14
Volume
1.0807166418036E+21
Height
9867029.7786693