19389640 is an even 8-digits composite number following 19389639
and preceding 19389641 . In scientific notation, it is written as 1.9389640 × 10^7.
The sum of its digits is 40. It has a total of 6 prime factors and 32 positive divisors.
There are 7729344 positive integers (up to 19389640) that are relatively prime to 19389640.
19389640 has 32 divisors, whose sum is 43776000
The reverse of 19389640 is 04698391
Previous prime number is 1279
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
nineteen million three hundred eighty-nine thousand six hundred forty
Scientific notation
1.9389640 × 10^7
Engineering notation
1.9389640 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 1279 × 379
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
4847410
Product of the distinct prime numbers
The prime factorization of 19389640 is 2 × 2 × 2 × 5 × 1279 × 379.
Since it has a total of 6 prime factors.
5 , 3 , 41 , 76 , 535 , 875 , 2107 , 7239 , 38194 , 64607 , 375398 , 131870 , 299049 , 4415257 , 6144925 , 90745137 , 404075256 , 747839209 , 4401727275 , 2664913492
n×2
38779280
n×3
58168920
n×4
77558560
n×5
96948200
n÷2
9694820
n÷3
6463213.3333333
n÷3
4847410
n÷5
3877928
n2
375958139329600
n3
7.2896929766708E+21
n4
1.4134452252817E+29
n5
2.7406194077932E+36
2 √n
4403.3668936395
3 √n
268.65189929512
4 √n
66.357869869665
5 √n
28.675694778995
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 379 , 758 , 1279 , 1516 , 1895 , 2558 , 3032 , 3790 , 5116 , 6395 , 7580 , 10232 , 12790 , 15160 , 25580 , 51160 , 484741 , 969482 , 1938964 , 2423705 , 3877928 , 4847410 , 9694820 , 19389640
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19389639
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19389640 can be divided by 32 positive divisors.
The sum of these divisors (counting 19389640) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001001111101110011001000
3
Ternary
1100111002120211
4
Quaternary
1021331303020
5
Quinary
14430432030
6
Senary
1531330504
8
Octal
111756310
10
Decimal
19389640
12
Duodecimal
65b0a34
16
Hexadecimal
127dcc8
20
Vigesimal
613e20
36
Base36
bjl54
md5
3fade22e51c668fdbe4b6830ddcf3516
sha1
8db7de7c7ddf300f189ab6f16d9d90d0597fdfd6
sha256
37748b483bc5ee5b32f9d4618518f8fe6431286f8405561f5fb896b36b72f33a
sha512
10a2c4402a2936aff7fb4758626dbccd96a0a6c55e40fa4a63af098091a1026d6554cc58957147b075221652ed906d1bcf1202db167292072c2e86d6b095cc03
ripemd-160
dd2587d77ff449185b8e0be6acd4ca7a54bd2cf7
Diameter
38779280
Circumference
121828701.1595
Area
1.1811073285752E+15
Volume
3.0534994536579E+22
Surface area
4.7244293143006E+15
Circumference
121828701.1595
Perimeter
77558560
Area
375958139329600
Diagonal
27421091.857532
Surface area
2255748835977600
Volume
7.2896929766708E+21
Space diagonal
33583841.62047
Perimeter
58168920
Area
1.6279464970948E+14
Altitude
16791920.810235
Surface area
1.6279464970948E+14
Volume
8.5909855609531E+20
Height
9140363.9525106