20789995 is an odd 8-digits composite number following 20789994
and preceding 20789996 . In scientific notation, it is written as 2.0789995 × 10^7.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 16095360 positive integers (up to 20789995) that are relatively prime to 20789995.
20789995 has 8 divisors, whose sum is 25752960
The reverse of 20789995 is 59998702
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
twenty million seven hundred eighty-nine thousand nine hundred ninety-five
Scientific notation
2.0789995 × 10^7
Engineering notation
2.0789995 × 10^6
Prime Factorization
5 × 31 × 134129
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20789995
Product of the distinct prime numbers
The prime factorization of 20789995 is 5 × 31 × 134129.
Since it has a total of 3 prime factors.
8 , 3 , 5 , 80 , 601 , 582 , 6598 , 232 , 26063 , 4087 , 856353 , 541570 , 9107081 , 5269624 , 2012171 , 26193839 , 661763077 , 475868862 , 2529274470 , 5452986747
n×2
41579990
n×3
62369985
n×4
83159980
n×5
103949975
n÷2
10394997.5
n÷3
6929998.3333333
n÷3
5197498.75
n÷5
4157999
n2
432223892100025
n3
8.9859325556401E+21
n4
1.8681749290209E+29
n5
3.8839347433471E+36
2 √n
4559.6046977781
3 √n
274.96967158648
4 √n
67.524845040756
5 √n
29.078424814002
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20789994
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20789995 can be divided by 8 positive divisors.
The sum of these divisors (counting 20789995) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111010011101011101011
3
Ternary
1110010020111211
4
Quaternary
1033103223223
5
Quinary
20310234440
6
Senary
2021333551
8
Octal
117235353
10
Decimal
20789995
12
Duodecimal
6b672b7
16
Hexadecimal
13d3aeb
20
Vigesimal
69iejf
36
Base36
cdlnv
md5
2997ace19da9d7b7ef7d372fc44e25d0
sha1
cb8f86fc4eb5d22f7f160ce1f6f9f3390d1362c0
sha256
eee4d758a2f08dc2d0fec6f22c552be6628efe90d06eccc791c10c090e435236
sha512
7578fa651e79e097e11ae9ff3f08e176bb09a770d2c67ffdb7745e716ff6fa9ad6768319377804156e942127e15707f5d1be32bdd5837932a10a1ac2750f5548
ripemd-160
621e589a8d4e23baea91dac124c8869e636dd9f6
Diameter
41579990
Circumference
130627391.12034
Area
1.3578714041274E+15
Volume
3.7640186269936E+22
Surface area
5.4314856165097E+15
Circumference
130627391.12034
Perimeter
83159980
Area
432223892100025
Diagonal
29401492.890669
Surface area
2593343352600150
Volume
8.9859325556401E+21
Space diagonal
36009327.629103
Perimeter
62369985
Area
1.871584353406E+14
Altitude
18004663.814551
Surface area
1.871584353406E+14
Volume
1.059002307563E+21
Height
9800497.6302229