20186381 is an odd 8-digits prime number following 20186380
and preceding 20186382 . In scientific notation, it is written as 2.0186381 × 10^7.
The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors.
There are 20186380 positive integers (up to 20186381) that are relatively prime to 20186381.
20186381 has 2 divisors, whose sum is 20186382
The reverse of 20186381 is 18368102
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred eighty-six thousand three hundred eighty-one
Scientific notation
2.0186381 × 10^7
Engineering notation
2.0186381 × 10^6
Prime Factorization
20186381
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20186381
Product of the distinct prime numbers
The prime factorization of 20186381 is 20186381.
Since it has a total of 1 prime factors.
8 , 4 , 63 , 90 , 514 , 372 , 2009 , 9551 , 21535 , 46408 , 967759 , 203885 , 1243911 , 4846784 , 16345954 , 41589804 , 112828155 , 721502360 , 964868541 , 1653063611
n×2
40372762
n×3
60559143
n×4
80745524
n×5
100931905
n÷2
10093190.5
n÷3
6728793.6666667
n÷3
5046595.25
n÷5
4037276.2
n2
407489977877161
n3
8.2257479471099E+21
n4
1.6604808207033E+29
n5
3.3519098489909E+36
2 √n
4492.9256615261
3 √n
272.28234899974
4 √n
67.029289579453
5 √n
28.907577136676
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20186382
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10093191
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4492.9257728122
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999009233
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20186381 can be divided by 2 positive divisors.
The sum of these divisors (counting 20186381) is 20186382, the average is 10093191.
Base
System
Value
2
Binary
1001101000000010100001101
3
Ternary
1101222120111202
4
Quaternary
1031000110031
5
Quinary
20131431011
6
Senary
2000355245
8
Octal
115002415
10
Decimal
20186381
12
Duodecimal
6915b25
16
Hexadecimal
134050d
20
Vigesimal
6635j1
36
Base36
c0nwt
md5
8d7c0c08466e7e407253b2c6f66c85ee
sha1
a59e6eb48a12226a254d5e6d95929b4deef705fa
sha256
edbf5123436657c557ec673c4c43c3289496fea360714b6d41beaa8c050f5f9f
sha512
72ab960749efcf2bd1bd1b97d00cb57cacb95e902f165683823a74daf5b5d78f669d4f847d45042d396bcdf413121cdd54917b7357ab614db3d2d2c263b89642
ripemd-160
3a8a32da5a07b01efc507f5c7860d93e60f89504
Diameter
40372762
Circumference
126834772.50433
Area
1.2801675209104E+15
Volume
3.4455932427896E+22
Surface area
5.1206700836414E+15
Circumference
126834772.50433
Perimeter
80745524
Area
407489977877161
Diagonal
28547853.785431
Surface area
2444939867262966
Volume
8.2257479471099E+21
Space diagonal
34963837.512943
Perimeter
60559143
Area
1.7644833631459E+14
Altitude
17481918.756472
Surface area
1.7644833631459E+14
Volume
9.6941369228879E+20
Height
9515951.2618102