20131385 is an odd 8-digits composite number following 20131384
and preceding 20131386 . In scientific notation, it is written as 2.0131385 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 16105104 positive integers (up to 20131385) that are relatively prime to 20131385.
20131385 has 4 divisors, whose sum is 24157668
The reverse of 20131385 is 58313102
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred thirty-one thousand three hundred eighty-five
Scientific notation
2.0131385 × 10^7
Engineering notation
2.0131385 × 10^6
Prime Factorization
5 × 4026277
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20131385
Product of the distinct prime numbers
The prime factorization of 20131385 is 5 × 4026277.
Since it has a total of 2 prime factors.
5 , 7 , 53 , 48 , 950 , 244 , 6380 , 6918 , 28489 , 17521 , 562121 , 451929 , 517862 , 293655 , 10488712 , 36036744 , 127151197 , 115763813 , 6004520556 , 4391311681
n×2
40262770
n×3
60394155
n×4
80525540
n×5
100656925
n÷2
10065692.5
n÷3
6710461.6666667
n÷3
5032846.25
n÷5
4026277
n2
405272662018225
n3
8.1586999890638E+21
n4
1.6424593057934E+29
n5
3.3064980631759E+36
2 √n
4486.8011990727
3 √n
272.03485442193
4 √n
66.983589028005
5 √n
28.891808718767
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
-20131384
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 20131385 can be divided by 4 positive divisors.
The sum of these divisors (counting 20131385) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110010111000111001
3
Ternary
1101212210001212
4
Quaternary
1030302320321
5
Quinary
20123201020
6
Senary
1555252505
8
Octal
114627071
10
Decimal
20131385
12
Duodecimal
68aa135
16
Hexadecimal
1332e39
20
Vigesimal
65g895
36
Base36
bzhh5
md5
798e8d5c726e2a33f10402dc10873aff
sha1
e51dde9db6b8c353892826060ad18ecc70a1433c
sha256
065eca6cd643f5755db99a3a943d1a61edcc46b4c7992ad274e64405c1c608b2
sha512
b20b97afbb366bef68ad0b2166298c199b6bed81a3fb1798d38e12f38319b810be3061d4ab58f360563f0fdda56bf7610a3a3403f88acc3ee6b29f7a8d1796f4
ripemd-160
e0c5a43dc1ce01183e66dcb819a1ccf0a1a064c2
Diameter
40262770
Circumference
126489222.44518
Area
1.2732016176972E+15
Volume
3.4175082597981E+22
Surface area
5.0928064707889E+15
Circumference
126489222.44518
Perimeter
80525540
Area
405272662018225
Diagonal
28470077.696354
Surface area
2431635972109350
Volume
8.1586999890638E+21
Space diagonal
34868581.64673
Perimeter
60394155
Area
1.7548821038356E+14
Altitude
17434290.823365
Surface area
1.7548821038356E+14
Volume
9.615120146556E+20
Height
9490025.8987848