20389912 is an even 8-digits composite number following 20389911
and preceding 20389913 . In scientific notation, it is written as 2.0389912 × 10^7.
The sum of its digits is 34. It has a total of 5 prime factors and 16 positive divisors.
There are 9957696 positive integers (up to 20389912) that are relatively prime to 20389912.
20389912 has 16 divisors, whose sum is 39120840
The reverse of 20389912 is 21998302
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million three hundred eighty-nine thousand nine hundred twelve
Scientific notation
2.0389912 × 10^7
Engineering notation
2.0389912 × 10^6
Prime Factorization
2 × 2 × 2 × 43 × 59273
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5097478
Product of the distinct prime numbers
The prime factorization of 20389912 is 2 × 2 × 2 × 43 × 59273.
Since it has a total of 5 prime factors.
3 , 8 , 25 , 58 , 782 , 85 , 5055 , 3294 , 1295 , 72165 , 875027 , 775784 , 6640844 , 1390189 , 98403228 , 47672830 , 727490475 , 59708639 , 6991062300 , 3811395632
n×2
40779824
n×3
61169736
n×4
81559648
n×5
101949560
n÷2
10194956
n÷3
6796637.3333333
n÷3
5097478
n÷5
4077982.4
n2
415748511367744
n3
8.4770755609193E+21
n4
1.728468247045E+29
n5
3.5243315452041E+36
2 √n
4515.5190177874
3 √n
273.19439432229
4 √n
67.197611697049
5 √n
28.965636101309
1 , 2 , 4 , 8 , 43 , 86 , 172 , 344 , 59273 , 118546 , 237092 , 474184 , 2548739 , 5097478 , 10194956 , 20389912
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20389911
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20389912 can be divided by 16 positive divisors.
The sum of these divisors (counting 20389912) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101110010000000011000
3
Ternary
1102100220200221
4
Quaternary
1031302000120
5
Quinary
20204434122
6
Senary
2005005424
8
Octal
115620030
10
Decimal
20389912
12
Duodecimal
69b3874
16
Hexadecimal
1372018
20
Vigesimal
678efc
36
Base36
c50yg
md5
6f7fcb7ee0802fbd60d41beca0ff66e1
sha1
ee4e810c0cf601c7cc3f0a1b2be2d659ee9a84f5
sha256
e11cd9bfc5fc4f7097f4013b5a83fe6ad1dec70d1c74568ea5f81be815a89f9c
sha512
dea29a9a0f38d08eec8a492b415dc3a04ca0ce9219b4099f781d424b530d5d6cb4502286bc0c4fc6be07fdf4d1a4809b68e6025f51e135d2ff0afccb8a460a96
ripemd-160
a3cbcd8deb4c097c6c37276271de2e9e7f5282ba
Diameter
40779824
Circumference
128113595.49308
Area
1.3061124690538E+15
Volume
3.5508691074813E+22
Surface area
5.2244498762152E+15
Circumference
128113595.49308
Perimeter
81559648
Area
415748511367744
Diagonal
28835690.085994
Surface area
2494491068206464
Volume
8.4770755609193E+21
Space diagonal
35316363.545858
Perimeter
61169736
Area
1.8002438621501E+14
Altitude
17658181.772929
Surface area
1.8002438621501E+14
Volume
9.9903293562613E+20
Height
9611896.6953313