20130381 is an odd 8-digits composite number following 20130380
and preceding 20130382 . In scientific notation, it is written as 2.0130381 × 10^7.
The sum of its digits is 18. It has a total of 2 prime factors and 4 positive divisors.
There are 13420248 positive integers (up to 20130381) that are relatively prime to 20130381.
20130381 has 4 divisors, whose sum is 22367100
The reverse of 20130381 is 18303102
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million one hundred thirty thousand three hundred eighty-one
Scientific notation
2.0130381 × 10^7
Engineering notation
2.0130381 × 10^6
Prime Factorization
9 × 2236709
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20130381
Product of the distinct prime numbers
The prime factorization of 20130381 is 9 × 2236709.
Since it has a total of 2 prime factors.
7 , 7 , 34 , 71 , 247 , 219 , 4611 , 7606 , 71493 , 65740 , 365449 , 5180 , 231244 , 932490 , 73362846 , 36749346 , 716865157 , 433783163 , 1846807763 , 1281543025
n×2
40260762
n×3
60391143
n×4
80521524
n×5
100651905
n÷2
10065190.5
n÷3
6710127
n÷3
5032595.25
n÷5
4026076.2
n2
405232239205161
n3
8.157479368683E+21
n4
1.6421316769123E+29
n5
3.3056736308413E+36
2 √n
4486.6893139597
3 √n
272.03033200524
4 √n
66.982753854703
5 √n
28.891520532389
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
-20130380
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 20130381 can be divided by 4 positive divisors.
The sum of these divisors (counting 20130381) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110010101001001101
3
Ternary
1101212201200200
4
Quaternary
1030302221031
5
Quinary
20123133011
6
Senary
1555244113
8
Octal
114625115
10
Decimal
20130381
12
Duodecimal
68a9639
16
Hexadecimal
1332a4d
20
Vigesimal
65g5j1
36
Base36
bzgp9
md5
1ed7c9f17f4c9c75cf3cd13beccb596f
sha1
7393f6908b940dc384441ad4a7423d9f95ab4e4a
sha256
a5b22aae0058e0db4bed234865aed14423feb9c11e12453eb0338d623338c718
sha512
96c644f713cea83c6b591a8b584ba6bcc654fbc6f9f2085838ecfda52354e8f4a1a0a9f89e9bce136feecde29638bbeb65f0d83b844d34ffa65d15580124f591
ripemd-160
247bad0a0ebc4338755a281efa4b349a97f24749
Diameter
40260762
Circumference
126482914.12713
Area
1.2730746256847E+15
Volume
3.4169969675287E+22
Surface area
5.0922985027387E+15
Circumference
126482914.12713
Perimeter
80521524
Area
405232239205161
Diagonal
28468657.825938
Surface area
2431393435230966
Volume
8.157479368683E+21
Space diagonal
34866842.667719
Perimeter
60391143
Area
1.7547070679206E+14
Altitude
17433421.33386
Surface area
1.7547070679206E+14
Volume
9.6136816316419E+20
Height
9489552.6086459