20205418 is an even 8-digits composite number following 20205417
and preceding 20205419 . In scientific notation, it is written as 2.0205418 × 10^7.
The sum of its digits is 22. It has a total of 4 prime factors and 16 positive divisors.
There are 9478656 positive integers (up to 20205418) that are relatively prime to 20205418.
20205418 has 16 divisors, whose sum is 32191560
The reverse of 20205418 is 81450202
Previous prime number is 409
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million two hundred five thousand four hundred eighteen
Scientific notation
2.0205418 × 10^7
Engineering notation
2.0205418 × 10^6
Prime Factorization
2 × 17 × 409 × 1453
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20205418
Product of the distinct prime numbers
The prime factorization of 20205418 is 2 × 17 × 409 × 1453.
Since it has a total of 4 prime factors.
9 , 10 , 44 , 59 , 84 , 407 , 991 , 701 , 38596 , 88968 , 122441 , 528192 , 5185055 , 7014593 , 49219052 , 43707299 , 334217218 , 723129889 , 3402877686 , 9848247483
n×2
40410836
n×3
60616254
n×4
80821672
n×5
101027090
n÷2
10102709
n÷3
6735139.3333333
n÷3
5051354.5
n÷5
4041083.6
n2
408258916554724
n3
8.2490420612153E+21
n4
1.6667534294644E+29
n5
3.3677449745261E+36
2 √n
4495.0437150266
3 √n
272.36791511313
4 √n
67.045087180394
5 √n
28.913027406058
1 , 2 , 17 , 34 , 409 , 818 , 1453 , 2906 , 6953 , 13906 , 24701 , 49402 , 594277 , 1188554 , 10102709 , 20205418
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
-20205417
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 20205418 can be divided by 16 positive divisors.
The sum of these divisors (counting 20205418) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000100111101101010
3
Ternary
1102000112121211
4
Quaternary
1031010331222
5
Quinary
20133033133
6
Senary
2001023334
8
Octal
115047552
10
Decimal
20205418
12
Duodecimal
6924b4a
16
Hexadecimal
1344f6a
20
Vigesimal
665dai
36
Base36
c12lm
md5
32d8e2194d4a41138fd3880e93a5b3c9
sha1
9b9498975710a812d788284b30f0fad31fffd69f
sha256
40be41a1f87d964681759ed19cae4eac3fd3b6fe83e9d4454b604e12fd700d78
sha512
f9d6d888b899a3d5cd8ed5d4493c7764be57a93d4567f7dc036b69156b63fc1a1be5966aaef8fe5dd49e3544e49c2715a3b2974e3d70f642348c06fa57b157b4
ripemd-160
fc21fa5abb477b98075791c3e62ce085505ec883
Diameter
40410836
Circumference
126954385.50302
Area
1.2825832130108E+15
Volume
3.455350658489E+22
Surface area
5.1303328520434E+15
Circumference
126954385.50302
Perimeter
80821672
Area
408258916554724
Diagonal
28574776.169017
Surface area
2449553499328344
Volume
8.2490420612153E+21
Space diagonal
34996810.564167
Perimeter
60616254
Area
1.7678129652895E+14
Altitude
17498405.282083
Surface area
1.7678129652895E+14
Volume
9.7215892996307E+20
Height
9524925.3896725