20385488 is an even 8-digits composite number following 20385487
and preceding 20385489 . In scientific notation, it is written as 2.0385488 × 10^7.
The sum of its digits is 38. It has a total of 6 prime factors and 20 positive divisors.
There are 10171104 positive integers (up to 20385488) that are relatively prime to 20385488.
20385488 has 20 divisors, whose sum is 39580800
The reverse of 20385488 is 88458302
Previous prime number is 607
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million three hundred eighty-five thousand four hundred eighty-eight
Scientific notation
2.0385488 × 10^7
Engineering notation
2.0385488 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 607 × 2099
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2548186
Product of the distinct prime numbers
The prime factorization of 20385488 is 2 × 2 × 2 × 2 × 607 × 2099.
Since it has a total of 6 prime factors.
7 , 2 , 81 , 73 , 72 , 572 , 107 , 1389 , 66578 , 96466 , 990274 , 245252 , 7942382 , 3675437 , 53108777 , 83780972 , 549865989 , 670188110 , 465401680 , 2669848344
n×2
40770976
n×3
61156464
n×4
81541952
n×5
101927440
n÷2
10192744
n÷3
6795162.6666667
n÷3
5096372
n÷5
4077097.6
n2
415568120998144
n3
8.4715589437902E+21
n4
1.7269686318993E+29
n5
3.5205098321959E+36
2 √n
4515.0291250445
3 √n
273.17463456034
4 √n
67.193966433338
5 √n
28.96437905717
1 , 2 , 4 , 8 , 16 , 607 , 1214 , 2099 , 2428 , 4198 , 4856 , 8396 , 9712 , 16792 , 33584 , 1274093 , 2548186 , 5096372 , 10192744 , 20385488
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20385487
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20385488 can be divided by 20 positive divisors.
The sum of these divisors (counting 20385488) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001101110000111011010000
3
Ternary
1102100200122002
4
Quaternary
1031300323100
5
Quinary
20204313423
6
Senary
2004533132
8
Octal
115607320
10
Decimal
20385488
12
Duodecimal
69b11a8
16
Hexadecimal
1370ed0
20
Vigesimal
6783e8
36
Base36
c4xjk
md5
eec250292e99d4ce1aed2b2e0cb1d879
sha1
accc90cb0d28c5f059e68b65671259a602399183
sha256
de8cc66c2d8093d5a3bf329d60baee7990f018bd3a0058913dd1bd7ccf8c48d3
sha512
39bff1268bd7cfe8b1f8fa9ad597670c7a36ae966eca8b2dbe5612c64afabbf9262e5a68662deca33016ef2d735e03aa0df3ced875dddadf279afc58ee7ad0f2
ripemd-160
0dec068460175d2a4b73812075c9d3497a556023
Diameter
40770976
Circumference
128085798.68129
Area
1.3055457559939E+15
Volume
3.5485583123019E+22
Surface area
5.2221830239755E+15
Circumference
128085798.68129
Perimeter
81541952
Area
415568120998144
Diagonal
28829433.605194
Surface area
2493408725988864
Volume
8.4715589437902E+21
Space diagonal
35308700.953086
Perimeter
61156464
Area
1.7994627489368E+14
Altitude
17654350.476543
Surface area
1.7994627489368E+14
Volume
9.983827960626E+20
Height
9609811.2017313