20486538 is an even 8-digits composite number following 20486537
and preceding 20486539 . In scientific notation, it is written as 2.0486538 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 6828840 positive integers (up to 20486538) that are relatively prime to 20486538.
20486538 has 12 divisors, whose sum is 44387538
The reverse of 20486538 is 83568402
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million four hundred eighty-six thousand five hundred thirty-eight
Scientific notation
2.0486538 × 10^7
Engineering notation
2.0486538 × 10^6
Prime Factorization
2 × 3 × 3 × 1138141
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6828846
Product of the distinct prime numbers
The prime factorization of 20486538 is 2 × 3 × 3 × 1138141.
Since it has a total of 4 prime factors.
6 , 4 , 90 , 61 , 962 , 555 , 5349 , 6603 , 31273 , 22882 , 308561 , 821786 , 3321402 , 4450586 , 37745571 , 52154791 , 856194027 , 129838260 , 3744096844 , 6687349811
n×2
40973076
n×3
61459614
n×4
81946152
n×5
102432690
n÷2
10243269
n÷3
6828846
n÷3
5121634.5
n÷5
4097307.6
n2
419698239225444
n3
8.5981639264251E+21
n4
1.7614661200894E+29
n5
3.6086342604924E+36
2 √n
4526.2056957235
3 √n
273.62526249242
4 √n
67.277081504206
5 √n
28.9930373301
1 , 2 , 3 , 6 , 9 , 18 , 1138141 , 2276282 , 3414423 , 6828846 , 10243269 , 20486538
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20486537
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20486538 can be divided by 12 positive divisors.
The sum of these divisors (counting 20486538) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001110001001100110001010
3
Ternary
1102112211020200
4
Quaternary
1032021212022
5
Quinary
20221032123
6
Senary
2011033030
8
Octal
116114612
10
Decimal
20486538
12
Duodecimal
6a3b776
16
Hexadecimal
138998a
20
Vigesimal
680g6i
36
Base36
c73ii
md5
d9183bce44a788d19f95f59bc1c6f8ef
sha1
11957aa455d02755a372d32e67c7453cfd7b5f66
sha256
36786597afa228cee08275e51eb706c24757f300bc850ac37b5fe579f229261a
sha512
e25e2152bf3227cd83db02a970dff6794d78fe72da17d56b248db93a6ca11d3d67a7a0fc638a98b9887bb7b73989478b15c462b5c0fe0c2e66d3090dc62e1f6e
ripemd-160
b89bac17aaf225604ce31a65c1eb39db77d92571
Diameter
40973076
Circumference
128720714.55658
Area
1.3185209050752E+15
Volume
3.6015904834157E+22
Surface area
5.2740836203009E+15
Circumference
128720714.55658
Perimeter
81946152
Area
419698239225444
Diagonal
28972339.885672
Surface area
2518189435352664
Volume
8.5981639264251E+21
Space diagonal
35483724.68719
Perimeter
61459614
Area
1.8173466854642E+14
Altitude
17741862.343595
Surface area
1.8173466854642E+14
Volume
1.0133033363548E+21
Height
9657446.6285573