20209890 is an even 8-digits composite number following 20209889
and preceding 20209891 . In scientific notation, it is written as 2.0209890 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 5370624 positive integers (up to 20209890) that are relatively prime to 20209890.
20209890 has 16 divisors, whose sum is 32448000
The reverse of 20209890 is 09890202
Previous prime number is 337
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million two hundred nine thousand eight hundred ninety
Scientific notation
2.0209890 × 10^7
Engineering notation
2.0209890 × 10^6
Prime Factorization
2 × 15 × 337 × 1999
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20209890
Product of the distinct prime numbers
The prime factorization of 20209890 is 2 × 15 × 337 × 1999.
Since it has a total of 4 prime factors.
9 , 3 , 18 , 84 , 487 , 219 , 6990 , 1569 , 10566 , 67398 , 966801 , 653258 , 8906032 , 4128003 , 67341650 , 42440950 , 401217482 , 257947394 , 9388386745 , 2112784784
n×2
40419780
n×3
60629670
n×4
80839560
n×5
101049450
n÷2
10104945
n÷3
6736630
n÷3
5052472.5
n÷5
4041978
n2
408439653812100
n3
8.2545204751806E+21
n4
1.6682295080615E+29
n5
3.3714734852677E+36
2 √n
4495.5411242697
3 √n
272.38800773493
4 √n
67.048796590764
5 √n
28.914307138189
1 , 2 , 15 , 30 , 337 , 674 , 1999 , 3998 , 5055 , 10110 , 29985 , 59970 , 673663 , 1347326 , 10104945 , 20209890
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
-20209889
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 20209890 can be divided by 16 positive divisors.
The sum of these divisors (counting 20209890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000110000011100010
3
Ternary
1102000202202110
4
Quaternary
1031012003202
5
Quinary
20133204030
6
Senary
2001100150
8
Octal
115060342
10
Decimal
20209890
12
Duodecimal
6927656
16
Hexadecimal
13460e2
20
Vigesimal
6664ea
36
Base36
c161u
md5
7dce607b10d47990ab63a85736033f29
sha1
473ae906b3f2cdf24d83d1293b11265311b3050f
sha256
585ca8c87fdbb72ca34ab8e11eba77f518ab691378aabc36d61312b12b0d9363
sha512
ebd51d78625a837b25aca7572e4098a14ce93684db3f723cea851bb67ffb27e43c0a1f311f34a956217b6fe6c205bf8389284e44d7de245b671b16115476f6c5
ripemd-160
c9be9f9c82784a347c19fdbf65afac515c959690
Diameter
40419780
Circumference
126982483.90772
Area
1.2831510158509E+15
Volume
3.4576454511645E+22
Surface area
5.1326040634034E+15
Circumference
126982483.90772
Perimeter
80839560
Area
408439653812100
Diagonal
28581100.532068
Surface area
2450637922872600
Volume
8.2545204751806E+21
Space diagonal
35004556.295378
Perimeter
60629670
Area
1.768595580571E+14
Altitude
17502278.147689
Surface area
1.768595580571E+14
Volume
9.7280456724057E+20
Height
9527033.5106895