20105984 is an even 8-digits composite number following 20105983
and preceding 20105985 . In scientific notation, it is written as 2.0105984 × 10^7.
The sum of its digits is 29. It has a total of 9 prime factors and 18 positive divisors.
There are 10052864 positive integers (up to 20105984) that are relatively prime to 20105984.
20105984 has 18 divisors, whose sum is 40133940
The reverse of 20105984 is 48950102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred five thousand nine hundred eighty-four
Scientific notation
2.0105984 × 10^7
Engineering notation
2.0105984 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 78539
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
9
Total number of prime factors
rad
Radical
157078
Product of the distinct prime numbers
The prime factorization of 20105984 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 78539.
Since it has a total of 9 prime factors.
10 , 2 , 13 , 69 , 119 , 725 , 1418 , 1445 , 82152 , 58514 , 805966 , 323682 , 7850822 , 2349947 , 67833818 , 78887483 , 186780965 , 340430902 , 5723631100 , 3348074219
n×2
40211968
n×3
60317952
n×4
80423936
n×5
100529920
n÷2
10052992
n÷3
6701994.6666667
n÷3
5026496
n÷5
4021196.8
n2
404250592608256
n3
8.1278559469721E+21
n4
1.6341854162413E+29
n5
3.285690583198E+36
2 √n
4483.969669835
3 √n
271.92039192776
4 √n
66.962449700074
5 √n
28.884514123717
1 , 2 , 4 , 8 , 16 , 32 , 64 , 128 , 256 , 78539 , 157078 , 314156 , 628312 , 1256624 , 2513248 , 5026496 , 10052992 , 20105984
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20105983
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20105984 can be divided by 18 positive divisors.
The sum of these divisors (counting 20105984) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
1001100101100101100000000
3
Ternary
1101211111020002
4
Quaternary
1030230230000
5
Quinary
20121342414
6
Senary
1554535132
8
Octal
114545400
10
Decimal
20105984
12
Duodecimal
68974a8
16
Hexadecimal
132cb00
20
Vigesimal
65d4j4
36
Base36
byxvk
md5
8c0498fd5735525a318d97c9d05fed60
sha1
05ac89218564b8e5f7623f0fd4c85054fde1bcc1
sha256
abbc43c34d61235c5d22735c9ab65702de52b1f2510775971c6bb3849bd00771
sha512
6b9cb17c5936d9fd38d98a69e5ba863da98429116dff01dfe07694e92c00009cc411f384a3a458efe0a049aad0bffa0f7ec31afda9d2c6b6821acd6b6fcd6917
ripemd-160
c4c067f192e4f04997f7dbc1d709fdf036e5b91a
Diameter
40211968
Circumference
126329623.25519
Area
1.2699906919474E+15
Volume
3.4045883376592E+22
Surface area
5.0799627677897E+15
Circumference
126329623.25519
Perimeter
80423936
Area
404250592608256
Diagonal
28434155.257656
Surface area
2425503555649536
Volume
8.1278559469721E+21
Space diagonal
34824585.824167
Perimeter
60317952
Area
1.7504564134683E+14
Altitude
17412292.912083
Surface area
1.7504564134683E+14
Volume
9.5787700943523E+20
Height
9478051.7525522