19389618 is an even 8-digits composite number following 19389617
and preceding 19389619 . In scientific notation, it is written as 1.9389618 × 10^7.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 6463152 positive integers (up to 19389618) that are relatively prime to 19389618.
19389618 has 8 divisors, whose sum is 29443740
The reverse of 19389618 is 81698391
Previous prime number is 81
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
nineteen million three hundred eighty-nine thousand six hundred eighteen
Scientific notation
1.9389618 × 10^7
Engineering notation
1.9389618 × 10^6
Prime Factorization
2 × 81 × 119689
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19389618
Product of the distinct prime numbers
The prime factorization of 19389618 is 2 × 81 × 119689.
Since it has a total of 3 prime factors.
2 , 4 , 78 , 17 , 487 , 924 , 9649 , 8069 , 21356 , 51248 , 165673 , 737672 , 6463258 , 5809404 , 32163105 , 56907027 , 106518303 , 35793538 , 5940691900 , 1685782917
n×2
38779236
n×3
58168854
n×4
77558472
n×5
96948090
n÷2
9694809
n÷3
6463206
n÷3
4847404.5
n÷5
3877923.6
n2
375957286185924
n3
7.2896681634617E+21
n4
1.4134388103628E+29
n5
2.740603859931E+36
2 √n
4403.3643955503
3 √n
268.65179768855
4 √n
66.357851046808
5 √n
28.675688271751
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
-19389617
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 19389618 can be divided by 8 positive divisors.
The sum of these divisors (counting 19389618) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001001111101110010110010
3
Ternary
1100111002120000
4
Quaternary
1021331302302
5
Quinary
14430431433
6
Senary
1531330430
8
Octal
111756262
10
Decimal
19389618
12
Duodecimal
65b0a16
16
Hexadecimal
127dcb2
20
Vigesimal
613e0i
36
Base36
bjl4i
md5
81cc3721131cad08736f95618d1328be
sha1
87acdda11c09cde719167fc5f170931a36fa7fa0
sha256
ebfd3a2af4fc5f81e4485fd4df9434302886ad10795796877b98e05a88b21647
sha512
068b620e60565ad3e0f6e841d819da0fdf042e09ccf9e0afef3e313c382539831d45511cc5cc48e3e8091337d4bfa693c6e56126c98e62a1fda921a82dbfe74e
ripemd-160
062634e50df2aa4c09a230bca421e1a724fd8dcf
Diameter
38779236
Circumference
121828562.92942
Area
1.1811046483453E+15
Volume
3.0534890599252E+22
Surface area
4.724418593381E+15
Circumference
121828562.92942
Perimeter
77558472
Area
375957286185924
Diagonal
27421060.744833
Surface area
2255743717115544
Volume
7.2896681634617E+21
Space diagonal
33583803.515352
Perimeter
58168854
Area
1.6279428028743E+14
Altitude
16791901.757676
Surface area
1.6279428028743E+14
Volume
8.5909563183058E+20
Height
9140353.5816112