20389911 is an odd 8-digits composite number following 20389910
and preceding 20389912 . In scientific notation, it is written as 2.0389911 × 10^7.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 13593272 positive integers (up to 20389911) that are relatively prime to 20389911.
20389911 has 4 divisors, whose sum is 27186552
The reverse of 20389911 is 11998302
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million three hundred eighty-nine thousand nine hundred eleven
Scientific notation
2.0389911 × 10^7
Engineering notation
2.0389911 × 10^6
Prime Factorization
3 × 6796637
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20389911
Product of the distinct prime numbers
The prime factorization of 20389911 is 3 × 6796637.
Since it has a total of 2 prime factors.
4 , 10 , 63 , 100 , 102 , 25 , 3044 , 9983 , 52330 , 99366 , 273055 , 533424 , 1636591 , 1003246 , 61431279 , 559499 , 879023855 , 554295371 , 8474205757 , 6227186688
n×2
40779822
n×3
61169733
n×4
81559644
n×5
101949555
n÷2
10194955.5
n÷3
6796637
n÷3
5097477.75
n÷5
4077982.2
n2
415748470587921
n3
8.4770743136738E+21
n4
1.728467907962E+29
n5
3.52433068097E+36
2 √n
4515.5189070582
3 √n
273.19438985612
4 √n
67.197610873142
5 √n
28.965635817192
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20389910
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20389911 can be divided by 4 positive divisors.
The sum of these divisors (counting 20389911) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101110010000000010111
3
Ternary
1102100220200220
4
Quaternary
1031302000113
5
Quinary
20204434121
6
Senary
2005005423
8
Octal
115620027
10
Decimal
20389911
12
Duodecimal
69b3873
16
Hexadecimal
1372017
20
Vigesimal
678efb
36
Base36
c50yf
md5
9fad317c4ebfec0d83dd36f93b81b5cb
sha1
513ed4d9e6acccfd0a324dc71c7616f6693ccdf5
sha256
62d728098f398b12a65367d058f63b2f661661628c0723504147744014f72949
sha512
89d3d48c68b9ad05c8a90ee1cb0b0c89bcd21fb06d0482a10480d2455b61e24452ac16fc2372b8f1887d640ee6b7a8bfa5ca0f8105727d3677a9fcd9b6058531
ripemd-160
ddecd0f759fb0cda55ff5e99795044f1fb081264
Diameter
40779822
Circumference
128113589.2099
Area
1.3061123409402E+15
Volume
3.5508685850363E+22
Surface area
5.2244493637608E+15
Circumference
128113589.2099
Perimeter
81559644
Area
415748470587921
Diagonal
28835688.67178
Surface area
2494490823527526
Volume
8.4770743136738E+21
Space diagonal
35316361.813808
Perimeter
61169733
Area
1.8002436855683E+14
Altitude
17658180.906904
Surface area
1.8002436855683E+14
Volume
9.9903278863684E+20
Height
9611896.2239268