20131445 is an odd 8-digits composite number following 20131444
and preceding 20131446 . In scientific notation, it is written as 2.0131445 × 10^7.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 16084224 positive integers (up to 20131445) that are relatively prime to 20131445.
20131445 has 8 divisors, whose sum is 24189144
The reverse of 20131445 is 54413102
Previous prime number is 937
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million one hundred thirty-one thousand four hundred forty-five
Scientific notation
2.0131445 × 10^7
Engineering notation
2.0131445 × 10^6
Prime Factorization
5 × 937 × 4297
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20131445
Product of the distinct prime numbers
The prime factorization of 20131445 is 5 × 937 × 4297.
Since it has a total of 3 prime factors.
2 , 8 , 99 , 12 , 371 , 316 , 829 , 7504 , 47131 , 94411 , 78222 , 579725 , 770871 , 774330 , 59721761 , 51890286 , 435155384 , 843394211 , 4171425078 , 9666288413
n×2
40262890
n×3
60394335
n×4
80525780
n×5
100657225
n÷2
10065722.5
n÷3
6710481.6666667
n÷3
5032861.25
n÷5
4026289
n2
405275077788025
n3
8.1587729383603E+21
n4
1.6424788867609E+29
n5
3.3065473372488E+36
2 √n
4486.8078853457
3 √n
272.03512468111
4 √n
66.983638937771
5 √n
28.891825940696
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20131444
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20131445 can be divided by 8 positive divisors.
The sum of these divisors (counting 20131445) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110010111001110101
3
Ternary
1101212210011002
4
Quaternary
1030302321311
5
Quinary
20123201240
6
Senary
1555253045
8
Octal
114627165
10
Decimal
20131445
12
Duodecimal
68aa185
16
Hexadecimal
1332e75
20
Vigesimal
65g8c5
36
Base36
bzhit
md5
82553597a491c8717cff3cf38c09549f
sha1
2d5a800bdb69012b70f42f3b9582da7f2bff28de
sha256
9b9ba784ebf1e3defc5004183bdbfed2151f2c95beb15c5f2bac11b0e6b16f10
sha512
37c18007f918b3dcd7244ef163144d21a8336f6ae0a43a5c0b112f3f0d957c3c7a53805da24a1eac9809bf7810acdfa60b1ca473b0f9f1afee9862b8e6f4cbae
ripemd-160
f743062fa16e859d14add0c783fd8ff1e19dd9a0
Diameter
40262890
Circumference
126489599.43629
Area
1.2732092070619E+15
Volume
3.417538816728E+22
Surface area
5.0928368282476E+15
Circumference
126489599.43629
Perimeter
80525780
Area
405275077788025
Diagonal
28470162.549168
Surface area
2431650466728150
Volume
8.1587729383603E+21
Space diagonal
34868685.569778
Perimeter
60394335
Area
1.7548925644257E+14
Altitude
17434342.784889
Surface area
1.7548925644257E+14
Volume
9.6152061181265E+20
Height
9490054.183056