20185513 is an odd 8-digits composite number following 20185512
and preceding 20185514 . In scientific notation, it is written as 2.0185513 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 18560080 positive integers (up to 20185513) that are relatively prime to 20185513.
20185513 has 16 divisors, whose sum is 21897216
The reverse of 20185513 is 31558102
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred eighty-five thousand five hundred thirteen
Scientific notation
2.0185513 × 10^7
Engineering notation
2.0185513 × 10^6
Prime Factorization
23 × 71 × 47 × 263
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20185513
Product of the distinct prime numbers
The prime factorization of 20185513 is 23 × 71 × 47 × 263.
Since it has a total of 4 prime factors.
9 , 7 , 54 , 46 , 304 , 843 , 2431 , 6774 , 66120 , 37621 , 425993 , 934778 , 6001871 , 6252983 , 33899968 , 27358506 , 951905335 , 346998495 , 2883893161 , 5442174969
n×2
40371026
n×3
60556539
n×4
80742052
n×5
100927565
n÷2
10092756.5
n÷3
6728504.3333333
n÷3
5046378.25
n÷5
4037102.6
n2
407454935073169
n3
8.2246868888336E+21
n4
1.6601952411548E+29
n5
3.3511892622868E+36
2 √n
4492.8290641866
3 √n
272.2784462948
4 √n
67.02856901491
5 √n
28.907328531356
1 , 23 , 47 , 71 , 263 , 1081 , 1633 , 3337 , 6049 , 12361 , 18673 , 76751 , 284303 , 429479 , 877631 , 20185513
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
-20185512
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 20185513 can be divided by 16 positive divisors.
The sum of these divisors (counting 20185513) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000000000110101001
3
Ternary
1101222112022121
4
Quaternary
1031000012221
5
Quinary
20131414023
6
Senary
2000351241
8
Octal
115000651
10
Decimal
20185513
12
Duodecimal
6915521
16
Hexadecimal
13401a9
20
Vigesimal
6633fd
36
Base36
c0n8p
md5
3fea55692e6e9c0d26be8dc027f5afd6
sha1
6a026828c23cb9b0e5c561439a8e419b66355008
sha256
35cd9f01c9c59d2877edbd368c03a4b94824274eefb11204b67b05fd8831eab4
sha512
a70c10b932ea931f0f6907df6342469dbf7214ab7d343b258fa8a95bffaa23706f66a07baa55515bd798e6a7399213733d118479bd424de6b9068a9ee5de53c6
ripemd-160
488edd3e924b872505a5de28b0608df4526a3317
Diameter
40371026
Circumference
126829318.69948
Area
1.2800574306948E+15
Volume
3.4451487877381E+22
Surface area
5.1202297227791E+15
Circumference
126829318.69948
Perimeter
80742052
Area
407454935073169
Diagonal
28546626.248058
Surface area
2444729610439014
Volume
8.2246868888336E+21
Space diagonal
34962334.092842
Perimeter
60556539
Area
1.7643316233535E+14
Altitude
17481167.046421
Surface area
1.7643316233535E+14
Volume
9.6928864537172E+20
Height
9515542.0826861