20145459 is an odd 8-digits composite number following 20145458
and preceding 20145460 . In scientific notation, it is written as 2.0145459 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 11927552 positive integers (up to 20145459) that are relatively prime to 20145459.
20145459 has 16 divisors, whose sum is 28981152
The reverse of 20145459 is 95454102
Previous prime number is 7453
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred forty-five thousand four hundred fifty-nine
Scientific notation
2.0145459 × 10^7
Engineering notation
2.0145459 × 10^6
Prime Factorization
3 × 17 × 7453 × 53
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20145459
Product of the distinct prime numbers
The prime factorization of 20145459 is 3 × 17 × 7453 × 53.
Since it has a total of 4 prime factors.
9 , 1 , 20 , 30 , 679 , 928 , 8249 , 3917 , 73891 , 60665 , 871570 , 2755 , 2423611 , 9502985 , 40396854 , 16515231 , 435259684 , 540523078 , 2670705866 , 1052448254
n×2
40290918
n×3
60436377
n×4
80581836
n×5
100727295
n÷2
10072729.5
n÷3
6715153
n÷3
5036364.75
n÷5
4029091.8
n2
405839518320681
n3
8.175823376909E+21
n4
1.6470571463076E+29
n5
3.3180722211597E+36
2 √n
4488.3693029874
3 √n
272.09823351354
4 √n
66.995293140544
5 √n
28.895847284958
1 , 3 , 17 , 51 , 53 , 159 , 901 , 2703 , 7453 , 22359 , 126701 , 380103 , 395009 , 1185027 , 6715153 , 20145459
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
-20145458
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 20145459 can be divided by 16 positive divisors.
The sum of these divisors (counting 20145459) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110110010100110011
3
Ternary
1101220111101010
4
Quaternary
1030312110303
5
Quinary
20124123314
6
Senary
1555442003
8
Octal
114662463
10
Decimal
20145459
12
Duodecimal
68b6303
16
Hexadecimal
1336533
20
Vigesimal
65i3cj
36
Base36
bzsc3
md5
a70e000c038612dbddc1936bac359ed9
sha1
f5e393ea1399b77115df98ce1ff6100a0d30a5f9
sha256
32c142e9e6e4aac881f114aec936c0c034b28acade2e350dc2d18a4a20998894
sha512
f05c2f996fe97ff63e1db74fe15b582fe82bded97eb3b4050f777152e841522c87cea5bf7f2d385c28124c57558ada3654bc42a39575fcf80ff136c4447096dd
ripemd-160
a6fe993d9c10233457b03f12c6188d169e32bc57
Diameter
40290918
Circumference
126577651.99519
Area
1.2749824492927E+15
Volume
3.424680887726E+22
Surface area
5.0999297971707E+15
Circumference
126577651.99519
Perimeter
80581836
Area
405839518320681
Diagonal
28489981.338031
Surface area
2435037109924086
Volume
8.175823376909E+21
Space diagonal
34892958.529796
Perimeter
60436377
Area
1.7573366636267E+14
Altitude
17446479.264898
Surface area
1.7573366636267E+14
Volume
9.6353002526598E+20
Height
9496660.4460104