20450538 is an even 8-digits composite number following 20450537
and preceding 20450539 . In scientific notation, it is written as 2.0450538 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 6766272 positive integers (up to 20450538) that are relatively prime to 20450538.
20450538 has 16 divisors, whose sum is 34337160
The reverse of 20450538 is 83505402
Previous prime number is 137
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million four hundred fifty thousand five hundred thirty-eight
Scientific notation
2.0450538 × 10^7
Engineering notation
2.0450538 × 10^6
Prime Factorization
2 × 9 × 137 × 8293
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20450538
Product of the distinct prime numbers
The prime factorization of 20450538 is 2 × 9 × 137 × 8293.
Since it has a total of 4 prime factors.
1 , 10 , 91 , 17 , 838 , 372 , 699 , 6872 , 16022 , 22595 , 971887 , 957941 , 7384137 , 4565400 , 41589140 , 91574912 , 22367217 , 525371805 , 6324304475 , 3190347986
n×2
40901076
n×3
61351614
n×4
81802152
n×5
102252690
n÷2
10225269
n÷3
6816846
n÷3
5112634.5
n÷5
4090107.6
n2
418224504489444
n3
8.5529161215925E+21
n4
1.7491173615544E+29
n5
3.5770391068928E+36
2 √n
4522.2271061945
3 √n
273.46489238287
4 √n
67.247506319524
5 √n
28.982840548482
1 , 2 , 9 , 18 , 137 , 274 , 1233 , 2466 , 8293 , 16586 , 74637 , 149274 , 1136141 , 2272282 , 10225269 , 20450538
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
-20450537
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 20450538 can be divided by 16 positive divisors.
The sum of these divisors (counting 20450538) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110000000110011101010
3
Ternary
1102110222212100
4
Quaternary
1032000303222
5
Quinary
20213404123
6
Senary
2010154230
8
Octal
116006352
10
Decimal
20450538
12
Duodecimal
6a22976
16
Hexadecimal
1380cea
20
Vigesimal
67g66i
36
Base36
c6bqi
md5
43b7d2d097948641bcc9329ad2b8f1af
sha1
ab1d4feac922a500d6877bfef98eb60496e7887f
sha256
f73f2efafc92d8e44470c3f52c093e81416ef8f1287fd79fa19ff825f473f7c4
sha512
f9b828788feb73813687e57c8751b222a04142ba26e02dd5cf202b182a03206b468138873745bea210e2bbae64056094d511e01dc9423140f24778cb620bd210
ripemd-160
5de2b29003272397e926805c90c663bb47c2d747
Diameter
40901076
Circumference
128494519.88552
Area
1.3138910308553E+15
Volume
3.5826371272486E+22
Surface area
5.2555641234211E+15
Circumference
128494519.88552
Perimeter
81802152
Area
418224504489444
Diagonal
28921428.197426
Surface area
2509347026936664
Volume
8.5529161215925E+21
Space diagonal
35421370.858118
Perimeter
61351614
Area
1.8109652268651E+14
Altitude
17710685.429059
Surface area
1.8109652268651E+14
Volume
1.0079708314163E+21
Height
9640476.0658088