20731131 is an odd 8-digits composite number following 20731130
and preceding 20731132 . In scientific notation, it is written as 2.0731131 × 10^7.
The sum of its digits is 18. It has a total of 2 prime factors and 4 positive divisors.
There are 13677696 positive integers (up to 20731131) that are relatively prime to 20731131.
20731131 has 4 divisors, whose sum is 20755752
The reverse of 20731131 is 13113702
Previous prime number is 873
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million seven hundred thirty-one thousand one hundred thirty-one
Scientific notation
2.0731131 × 10^7
Engineering notation
2.0731131 × 10^6
Prime Factorization
873 × 23747
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20731131
Product of the distinct prime numbers
The prime factorization of 20731131 is 873 × 23747.
Since it has a total of 2 prime factors.
5 , 2 , 3 , 2 , 155 , 17 , 7888 , 3097 , 24117 , 39231 , 65376 , 812483 , 8296846 , 9455611 , 26933576 , 20303801 , 518156443 , 872457710 , 5903916779 , 8490675106
n×2
41462262
n×3
62193393
n×4
82924524
n×5
103655655
n÷2
10365565.5
n÷3
6910377
n÷3
5182782.75
n÷5
4146226.2
n2
429779792539161
n3
8.9098211802822E+21
n4
1.84710670075E+29
n5
3.8292610984227E+36
2 √n
4553.1451766883
3 √n
274.70991339047
4 √n
67.476997389394
5 √n
29.061939824529
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20731130
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20731131 can be divided by 4 positive divisors.
The sum of these divisors (counting 20731131) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111000101010011111011
3
Ternary
1110000020202200
4
Quaternary
1033011103323
5
Quinary
20301344011
6
Senary
2020201243
8
Octal
117052373
10
Decimal
20731131
12
Duodecimal
6b39223
16
Hexadecimal
13c54fb
20
Vigesimal
69b7gb
36
Base36
ccc8r
md5
9b6c740be46aaa0100cd4bc7da25f0fb
sha1
eae52e9674f6a580076fa6b7c5c423d1183f241c
sha256
e2e8649565c3c3d720f097d754a46cbf68bf35df480663bcbdab96562256b84e
sha512
f232baa3ec51b5e20f958655c16c00162fa32d816c148dafac332e09095f4b7eb41337a38d53be754c7994e012e1d2d5e2b1085def3ca3408561cc80c45f072d
ripemd-160
f6e463653542fd6339cf2854e2e451008bc33798
Diameter
41462262
Circumference
130257537.70042
Area
1.3501930389024E+15
Volume
3.7321371686364E+22
Surface area
5.4007721556095E+15
Circumference
130257537.70042
Perimeter
82924524
Area
429779792539161
Diagonal
29318246.623533
Surface area
2578678755234966
Volume
8.9098211802822E+21
Space diagonal
35907372.190366
Perimeter
62193393
Area
1.8610010918606E+14
Altitude
17953686.095183
Surface area
1.8610010918606E+14
Volume
1.0500324959562E+21
Height
9772748.8745111