20186481 is an odd 8-digits composite number following 20186480
and preceding 20186482 . In scientific notation, it is written as 2.0186481 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 11313120 positive integers (up to 20186481) that are relatively prime to 20186481.
20186481 has 16 divisors, whose sum is 24634368
The reverse of 20186481 is 18468102
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred eighty-six thousand four hundred eighty-one
Scientific notation
2.0186481 × 10^7
Engineering notation
2.0186481 × 10^6
Prime Factorization
21 × 7 × 53 × 2591
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20186481
Product of the distinct prime numbers
The prime factorization of 20186481 is 21 × 7 × 53 × 2591.
Since it has a total of 4 prime factors.
10 , 10 , 14 , 6 , 671 , 577 , 874 , 7679 , 57295 , 16962 , 336914 , 776547 , 5890564 , 6119911 , 737643 , 84993461 , 398454728 , 391021571 , 1387140173 , 198606908
n×2
40372962
n×3
60559443
n×4
80745924
n×5
100932405
n÷2
10093240.5
n÷3
6728827
n÷3
5046620.25
n÷5
4037296.2
n2
407494015163361
n3
8.2258701947089E+21
n4
1.6605137239396E+29
n5
3.3519928738545E+36
2 √n
4492.9367901185
3 √n
272.28279861293
4 √n
67.029372592308
5 √n
28.907605777292
1 , 7 , 21 , 53 , 147 , 371 , 1113 , 2591 , 7791 , 18137 , 54411 , 137323 , 380877 , 961261 , 2883783 , 20186481
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20186480
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20186481 can be divided by 16 positive divisors.
The sum of these divisors (counting 20186481) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000000010101110001
3
Ternary
1101222120122110
4
Quaternary
1031000111301
5
Quinary
20131431411
6
Senary
2000355533
8
Octal
115002561
10
Decimal
20186481
12
Duodecimal
6915ba9
16
Hexadecimal
1340571
20
Vigesimal
663641
36
Base36
c0nzl
md5
8d8907517e26b7a89e68ec229f7db67a
sha1
f04c8a5ff6d08426c93234f8cbf9b25c3aa3eae9
sha256
fe91c9563f53a9b274f6d04d027aa0b1762e72e86da0e2074f9164b3fadb38ee
sha512
7ab95d08c97129a6fb7659988a91548c220a345c85b46ec7d1fdbfe58f5ae14e9d02ea286815d0c18cf6f5d2d40bba23536bcb1452664bca42c658fc89dc8cd3
ripemd-160
f25cfc7b7ad38bdec6f4b70e9341fddf5cf31057
Diameter
40372962
Circumference
126835400.82286
Area
1.280180204419E+15
Volume
3.4456444497441E+22
Surface area
5.1207208176761E+15
Circumference
126835400.82286
Perimeter
80745924
Area
407494015163361
Diagonal
28547995.206787
Surface area
2444964090980166
Volume
8.2258701947089E+21
Space diagonal
34964010.718024
Perimeter
60559443
Area
1.764500845108E+14
Altitude
17482005.359012
Surface area
1.764500845108E+14
Volume
9.6942809930649E+20
Height
9515998.4022623