20389906 is an even 8-digits composite number following 20389905
and preceding 20389907 . In scientific notation, it is written as 2.0389906 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 10188288 positive integers (up to 20389906) that are relatively prime to 20389906.
20389906 has 8 divisors, whose sum is 30604860
The reverse of 20389906 is 60998302
Previous prime number is 2377
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million three hundred eighty-nine thousand nine hundred six
Scientific notation
2.0389906 × 10^7
Engineering notation
2.0389906 × 10^6
Prime Factorization
2 × 2377 × 4289
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20389906
Product of the distinct prime numbers
The prime factorization of 20389906 is 2 × 2377 × 4289.
Since it has a total of 3 prime factors.
7 , 5 , 81 , 8 , 227 , 96 , 3285 , 3023 , 59439 , 80851 , 670992 , 593660 , 2826199 , 3787588 , 94624888 , 45559376 , 118358712 , 561413913 , 2451634261 , 262953976
n×2
40779812
n×3
61169718
n×4
81559624
n×5
101949530
n÷2
10194953
n÷3
6796635.3333333
n÷3
5097476.5
n÷5
4077981.2
n2
415748266688836
n3
8.4770680774483E+21
n4
1.7284662125477E+29
n5
3.5243263598024E+36
2 √n
4515.5183534119
3 √n
273.19436752527
4 √n
67.197606753603
5 √n
28.965634396605
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
-20389905
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 20389906 can be divided by 8 positive divisors.
The sum of these divisors (counting 20389906) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110010000000010010
3
Ternary
1102100220200201
4
Quaternary
1031302000102
5
Quinary
20204434111
6
Senary
2005005414
8
Octal
115620022
10
Decimal
20389906
12
Duodecimal
69b386a
16
Hexadecimal
1372012
20
Vigesimal
678ef6
36
Base36
c50ya
md5
c9c3f917ff69ccc598ff3c1d24cfe24c
sha1
74d03633a44e706f80495f20e5b85f577eb04b1c
sha256
d3ccdef46d9d7a60f3cbc4adf4b93657ab727fc1371ca0d11230d437e6e2a3e0
sha512
673e89cfac7a5bc73df9d7bac5269718532d03632dcceae52d38a84a36e54ce02f3546f8066c0a8e9b2bbed6950caa7ac3bd3a714400e46390f073141421b49d
ripemd-160
64b4c98bb0d6c830e6e8c939fd01216a9b0507e4
Diameter
40779812
Circumference
128113557.79397
Area
1.3061117003723E+15
Volume
3.5508659728123E+22
Surface area
5.2244468014893E+15
Circumference
128113557.79397
Perimeter
81559624
Area
415748266688836
Diagonal
28835681.600713
Surface area
2494489600133016
Volume
8.4770680774483E+21
Space diagonal
35316353.153553
Perimeter
61169718
Area
1.8002428026594E+14
Altitude
17658176.576777
Surface area
1.8002428026594E+14
Volume
9.9903205369062E+20
Height
9611893.8669042