20385212 is an even 8-digits composite number following 20385211
and preceding 20385213 . In scientific notation, it is written as 2.0385212 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors.
There are 10097136 positive integers (up to 20385212) that are relatively prime to 20385212.
20385212 has 12 divisors, whose sum is 36008280
The reverse of 20385212 is 21258302
Previous prime number is 107
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million three hundred eighty-five thousand two hundred twelve
Scientific notation
2.0385212 × 10^7
Engineering notation
2.0385212 × 10^6
Prime Factorization
2 × 2 × 107 × 47629
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10192606
Product of the distinct prime numbers
The prime factorization of 20385212 is 2 × 2 × 107 × 47629.
Since it has a total of 4 prime factors.
9 , 1 , 49 , 62 , 580 , 313 , 3045 , 3826 , 57702 , 97768 , 339936 , 18070 , 2350147 , 1475470 , 8193908 , 7459877 , 851055885 , 92559470 , 5245452291 , 2860302635
n×2
40770424
n×3
61155636
n×4
81540848
n×5
101926060
n÷2
10192606
n÷3
6795070.6666667
n÷3
5096303
n÷5
4077042.4
n2
415556868284944
n3
8.4712148580447E+21
n4
1.7268751077879E+29
n5
3.5202715169779E+36
2 √n
4514.9985603541
3 √n
273.17340171373
4 √n
67.193738996681
5 √n
28.96430062675
1 , 2 , 4 , 107 , 214 , 428 , 47629 , 95258 , 190516 , 5096303 , 10192606 , 20385212
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
-20385211
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 20385212 can be divided by 12 positive divisors.
The sum of these divisors (counting 20385212) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101110000110110111100
3
Ternary
1102100200020212
4
Quaternary
1031300312330
5
Quinary
20204311322
6
Senary
2004531552
8
Octal
115606674
10
Decimal
20385212
12
Duodecimal
69b0bb8
16
Hexadecimal
1370dbc
20
Vigesimal
67830c
36
Base36
c4xbw
md5
d5873119dfe325c9ef896970e19c9d81
sha1
8e76416fa4dc4e70e1c320d3a57ba382a90b738b
sha256
4571e5308a34acac25d14153c354c9de308f5077ceb2aa9e7e998e500ff47bb0
sha512
2068f6259358bc038527fbb71ae9099cbaa84c13d40d5d1235817e4390340b21038c444233edbf583303fc7d36d5d367a3a571a6589d8f4181fe0a89032b5de7
ripemd-160
fcfa0e2862d080d74fbbba2c53a773e14a6ae08c
Diameter
40770424
Circumference
128084064.52214
Area
1.3055104045528E+15
Volume
3.5484141820018E+22
Surface area
5.222041618211E+15
Circumference
128084064.52214
Perimeter
81540848
Area
415556868284944
Diagonal
28829043.282251
Surface area
2493341209709664
Volume
8.4712148580447E+21
Space diagonal
35308222.907063
Perimeter
61155636
Area
1.7994140232593E+14
Altitude
17654111.453531
Surface area
1.7994140232593E+14
Volume
9.983422451686E+20
Height
9609681.0940836