20131438 is an even 8-digits composite number following 20131437
and preceding 20131439 . In scientific notation, it is written as 2.0131438 × 10^7.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 10065718 positive integers (up to 20131438) that are relatively prime to 20131438.
20131438 has 4 divisors, whose sum is 30197160
The reverse of 20131438 is 83413102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one hundred thirty-one thousand four hundred thirty-eight
Scientific notation
2.0131438 × 10^7
Engineering notation
2.0131438 × 10^6
Prime Factorization
2 × 10065719
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20131438
Product of the distinct prime numbers
The prime factorization of 20131438 is 2 × 10065719.
Since it has a total of 2 prime factors.
3 , 9 , 79 , 78 , 638 , 593 , 416 , 8970 , 22256 , 51534 , 603640 , 554447 , 5017763 , 6184560 , 10540970 , 68164593 , 364770372 , 917649307 , 9866490247 , 604929247
n×2
40262876
n×3
60394314
n×4
80525752
n×5
100657190
n÷2
10065719
n÷3
6710479.3333333
n÷3
5032859.5
n÷5
4026287.6
n2
405274795947844
n3
8.1587644275867E+21
n4
1.6424766023057E+29
n5
3.3065415885767E+36
2 √n
4486.807105281
3 √n
272.0350931509
4 √n
66.983633114971
5 √n
28.891823931473
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
-20131437
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 20131438 can be divided by 4 positive divisors.
The sum of these divisors (counting 20131438) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110010111001101110
3
Ternary
1101212210010211
4
Quaternary
1030302321232
5
Quinary
20123201223
6
Senary
1555253034
8
Octal
114627156
10
Decimal
20131438
12
Duodecimal
68aa17a
16
Hexadecimal
1332e6e
20
Vigesimal
65g8bi
36
Base36
bzhim
md5
65d3b3dfe447b6e1e2b95bdf8d753266
sha1
1cd272d941bc51289f51e531bd8d48e7373258d9
sha256
79ff59ac93133013eae28d70dfe1a2cc519b22c8aecacff51fbff272602144b2
sha512
151cbb2b86f9bf3feb4b9fe4f4db75654632c14f9663715fde0cb95ff465ec7a42ffabe3a134329fb09a8c46be36cef016b69f3fc6e1921298a02771331293b3
ripemd-160
e84264ec229d7f9019fe10229590c076a07abb4b
Diameter
40262876
Circumference
126489555.454
Area
1.2732083216348E+15
Volume
3.4175352517435E+22
Surface area
5.0928332865394E+15
Circumference
126489555.454
Perimeter
80525752
Area
405274795947844
Diagonal
28470152.649673
Surface area
2431648775687064
Volume
8.1587644275867E+21
Space diagonal
34868673.445423
Perimeter
60394314
Area
1.7548913440219E+14
Altitude
17434336.722711
Surface area
1.7548913440219E+14
Volume
9.6151960880835E+20
Height
9490050.8832244