20390018 is an even 8-digits composite number following 20390017
and preceding 20390019 . In scientific notation, it is written as 2.0390018 × 10^7.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 9268180 positive integers (up to 20390018) that are relatively prime to 20390018.
20390018 has 8 divisors, whose sum is 33365520
The reverse of 20390018 is 81009302
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million three hundred ninety thousand eighteen
Scientific notation
2.0390018 × 10^7
Engineering notation
2.0390018 × 10^6
Prime Factorization
2 × 11 × 926819
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20390018
Product of the distinct prime numbers
The prime factorization of 20390018 is 2 × 11 × 926819.
Since it has a total of 3 prime factors.
8 , 5 , 100 , 58 , 319 , 623 , 6044 , 9694 , 21893 , 94242 , 769792 , 832178 , 9438542 , 4343817 , 68326485 , 53953365 , 171129648 , 682921634 , 726180448 , 4740403610
n×2
40780036
n×3
61170054
n×4
81560072
n×5
101950090
n÷2
10195009
n÷3
6796672.6666667
n÷3
5097504.5
n÷5
4078003.6
n2
415752834040324
n3
8.4772077696332E+21
n4
1.7285041901256E+29
n5
3.5244231549737E+36
2 √n
4515.5307550719
3 √n
273.19486773541
4 √n
67.197699031082
5 √n
28.965666217683
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
-20390017
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 20390018 can be divided by 8 positive divisors.
The sum of these divisors (counting 20390018) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110010000010000010
3
Ternary
1102100220211212
4
Quaternary
1031302002002
5
Quinary
20204440033
6
Senary
2005010122
8
Octal
115620202
10
Decimal
20390018
12
Duodecimal
69b3942
16
Hexadecimal
1372082
20
Vigesimal
678f0i
36
Base36
c511e
md5
3a5b38818dbb99cd3433cd8920d8119f
sha1
fae182ecb9977e11005a7c63754257c17e4a1e36
sha256
05c15c1638475aec32ab444e18f666dd8591f8336b8198a28dd431ad5fc8fc2f
sha512
c82477ec1107ab24453c31eee44ad8efba1c51a83abff095455f6bea10df659911c22a159dd2d6ad650c2f6df04ece930d7616d5e99906e17c954240b34e4dd6
ripemd-160
1d6eb4d5cc242aa55567bbf8a58d3dcdbaf2c8c6
Diameter
40780036
Circumference
128114261.51073
Area
1.3061260491302E+15
Volume
3.5509244869379E+22
Surface area
5.2245041965209E+15
Circumference
128114261.51073
Perimeter
81560072
Area
415752834040324
Diagonal
28835839.992632
Surface area
2494517004241944
Volume
8.4772077696332E+21
Space diagonal
35316547.143244
Perimeter
61170054
Area
1.8002625798715E+14
Altitude
17658273.571622
Surface area
1.8002625798715E+14
Volume
9.9904851657249E+20
Height
9611946.6642105