20389984 is an even 8-digits composite number following 20389983
and preceding 20389985 . In scientific notation, it is written as 2.0389984 × 10^7.
The sum of its digits is 43. It has a total of 7 prime factors and 24 positive divisors.
There are 10118400 positive integers (up to 20389984) that are relatively prime to 20389984.
20389984 has 24 divisors, whose sum is 40444488
The reverse of 20389984 is 48998302
Previous prime number is 137
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty million three hundred eighty-nine thousand nine hundred eighty-four
Scientific notation
2.0389984 × 10^7
Engineering notation
2.0389984 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 137 × 4651
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1274374
Product of the distinct prime numbers
The prime factorization of 20389984 is 2 × 2 × 2 × 2 × 2 × 137 × 4651.
Since it has a total of 7 prime factors.
3 , 7 , 58 , 41 , 177 , 359 , 1405 , 2362 , 512 , 97310 , 926794 , 910126 , 4057322 , 498060 , 83487997 , 54549928 , 842626539 , 307717944 , 1221491038 , 6719107069
n×2
40779968
n×3
61169952
n×4
81559936
n×5
101949920
n÷2
10194992
n÷3
6796661.3333333
n÷3
5097496
n÷5
4077996.8
n2
415751447520256
n3
8.4771653629149E+21
n4
1.7284926611519E+29
n5
3.5243937705004E+36
2 √n
4515.5269902859
3 √n
273.1947158861
4 √n
67.197671018316
5 √n
28.965656557728
1 , 2 , 4 , 8 , 16 , 32 , 137 , 274 , 548 , 1096 , 2192 , 4384 , 4651 , 9302 , 18604 , 37208 , 74416 , 148832 , 637187 , 1274374 , 2548748 , 5097496 , 10194992 , 20389984
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20389983
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20389984 can be divided by 24 positive divisors.
The sum of these divisors (counting 20389984) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101110010000001100000
3
Ternary
1102100220210121
4
Quaternary
1031302001200
5
Quinary
20204434414
6
Senary
2005010024
8
Octal
115620140
10
Decimal
20389984
12
Duodecimal
69b3914
16
Hexadecimal
1372060
20
Vigesimal
678ej4
36
Base36
c510g
md5
0d50b9dd963164a358fba08c6fcd054a
sha1
e646416fea9766282a7a6a40f728bbcbb052f969
sha256
c9ed05c915189a1c74fcdcaa8640078292114373e66bf785a5152950ff0cd4b5
sha512
68c59e780983e0c93de401a93d5b98874c63caffd196d0589f0ed108d464519e6272626e75993002f895931d3e18a609dec09301f39f2714c41630ec43facf17
ripemd-160
46274062eb8b9c61d121d79e4f07b75762e5eec8
Diameter
40779968
Circumference
128114047.88243
Area
1.306121693249E+15
Volume
3.5509067236532E+22
Surface area
5.2244867729958E+15
Circumference
128114047.88243
Perimeter
81559936
Area
415751447520256
Diagonal
28835791.90937
Surface area
2494508685121536
Volume
8.4771653629149E+21
Space diagonal
35316488.253516
Perimeter
61169952
Area
1.8002565760635E+14
Altitude
17658244.126758
Surface area
1.8002565760635E+14
Volume
9.990435188928E+20
Height
9611930.6364568