20789940 is an even 8-digits composite number following 20789939
and preceding 20789941 . In scientific notation, it is written as 2.0789940 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 5506176 positive integers (up to 20789940) that are relatively prime to 20789940.
20789940 has 24 divisors, whose sum is 39072768
The reverse of 20789940 is 04998702
Previous prime number is 157
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million seven hundred eighty-nine thousand nine hundred forty
Scientific notation
2.0789940 × 10^7
Engineering notation
2.0789940 × 10^6
Prime Factorization
2 × 2 × 15 × 157 × 2207
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10394970
Product of the distinct prime numbers
The prime factorization of 20789940 is 2 × 2 × 15 × 157 × 2207.
Since it has a total of 5 prime factors.
7 , 4 , 7 , 47 , 292 , 402 , 8447 , 5559 , 74228 , 22339 , 862525 , 45509 , 6193613 , 9907607 , 51298575 , 98182956 , 265917174 , 324992799 , 9323532750 , 5539746381
n×2
41579880
n×3
62369820
n×4
83159760
n×5
103949700
n÷2
10394970
n÷3
6929980
n÷3
5197485
n÷5
4157988
n2
432221605203600
n3
8.9858612388865E+21
n4
1.8681551600478E+29
n5
3.8838833688083E+36
2 √n
4559.5986665495
3 √n
274.96942910854
4 √n
67.524800381412
5 √n
29.078409428572
1 , 2 , 4 , 15 , 30 , 60 , 157 , 314 , 628 , 2207 , 2355 , 4414 , 4710 , 8828 , 9420 , 33105 , 66210 , 132420 , 346499 , 692998 , 1385996 , 5197485 , 10394970 , 20789940
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
-20789939
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 20789940 can be divided by 24 positive divisors.
The sum of these divisors (counting 20789940) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111010011101010110100
3
Ternary
1110010020102210
4
Quaternary
1033103222310
5
Quinary
20310234230
6
Senary
2021333420
8
Octal
117235264
10
Decimal
20789940
12
Duodecimal
6b67270
16
Hexadecimal
13d3ab4
20
Vigesimal
69ieh0
36
Base36
cdlmc
md5
3f01022388e9b951a13afeaa87e13203
sha1
507f07973d19c5e72aafa250b86ea6fcd3839700
sha256
cc8ac412a7ce18ad417b0752dd9303065e16d9b81cdb29ae6692f1885b1a792d
sha512
5247c1bcf2f62ad6e52d6c8a18395ee98d0defb145ef341e7cc2c845b0d2774eee689ba2d8c8f4728a501816b7662ae35b93498b8e657ebbde47ca35054be033
ripemd-160
1d182e661553d9c8ee4917eee91b69ec1b1e5b3f
Diameter
41579880
Circumference
130627045.54515
Area
1.3578642196304E+15
Volume
3.7639887539018E+22
Surface area
5.4314568785217E+15
Circumference
130627045.54515
Perimeter
83159760
Area
432221605203600
Diagonal
29401415.108923
Surface area
2593329631221600
Volume
8.9858612388865E+21
Space diagonal
36009232.366309
Perimeter
62369820
Area
1.871574450854E+14
Altitude
18004616.183154
Surface area
1.871574450854E+14
Volume
1.058993902803E+21
Height
9800471.7029743