19388621 is an odd 8-digits composite number following 19388620
and preceding 19388622 . In scientific notation, it is written as 1.9388621 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 16567488 positive integers (up to 19388621) that are relatively prime to 19388621.
19388621 has 8 divisors, whose sum is 22226880
The reverse of 19388621 is 12688391
Previous prime number is 337
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
nineteen million three hundred eighty-eight thousand six hundred twenty-one
Scientific notation
1.9388621 × 10^7
Engineering notation
1.9388621 × 10^6
Prime Factorization
7 × 337 × 8219
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19388621
Product of the distinct prime numbers
The prime factorization of 19388621 is 7 × 337 × 8219.
Since it has a total of 3 prime factors.
3 , 6 , 73 , 19 , 984 , 983 , 9201 , 3806 , 74196 , 61567 , 471193 , 757490 , 5343900 , 1280833 , 42721935 , 57919522 , 933317093 , 885825236 , 8655873265 , 8387987603
n×2
38777242
n×3
58165863
n×4
77554484
n×5
96943105
n÷2
9694310.5
n÷3
6462873.6666667
n÷3
4847155.25
n÷5
3877724.2
n2
375918624281641
n3
7.2885437330381E+21
n4
1.413148120818E+29
n5
2.7398993331403E+36
2 √n
4403.251185204
3 √n
268.6471929832
4 √n
66.356998012297
5 √n
28.675393369095
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
-19388620
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 19388621 can be divided by 8 positive divisors.
The sum of these divisors (counting 19388621) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001001111101100011001101
3
Ternary
1100111001012002
4
Quaternary
1021331203031
5
Quinary
14430413441
6
Senary
1531322045
8
Octal
111754315
10
Decimal
19388621
12
Duodecimal
65b0325
16
Hexadecimal
127d8cd
20
Vigesimal
613bb1
36
Base36
bjkct
md5
d1b341aebe629cc5d17ccae8a49d1a23
sha1
48076c5505c43ed8de7b9d7f3b54df29f38fffb4
sha256
ee92c3154f35168a4f5e8e07aeb5c148f8434f07babd335424ed642426011ea2
sha512
93921bba163de3ac7c4f19f7988d735514872295f05f107610e0101ff16141d94998f227336d4edd992aa034c61ef225c2a94f47ed9cff6488f10e5011b0093f
ripemd-160
eb4bb996e00dd0936409a2ec76282686b7755395
Diameter
38777242
Circumference
121822298.59367
Area
1.1809831883908E+15
Volume
3.0530180596107E+22
Surface area
4.7239327535631E+15
Circumference
121822298.59367
Perimeter
77554484
Area
375918624281641
Diagonal
27419650.773912
Surface area
2255511745689846
Volume
7.2885437330381E+21
Space diagonal
33582076.660697
Perimeter
58165863
Area
1.627775391918E+14
Altitude
16791038.330348
Surface area
1.627775391918E+14
Volume
8.5896311643433E+20
Height
9139883.5913039