19388949 is an odd 8-digits composite number following 19388948
and preceding 19388950 . In scientific notation, it is written as 1.9388949 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 12 positive divisors.
There are 12244968 positive integers (up to 19388949) that are relatively prime to 19388949.
19388949 has 12 divisors, whose sum is 27285696
The reverse of 19388949 is 94988391
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
nineteen million three hundred eighty-eight thousand nine hundred forty-nine
Scientific notation
1.9388949 × 10^7
Engineering notation
1.9388949 × 10^6
Prime Factorization
3 × 19 × 19 × 17903
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1020471
Product of the distinct prime numbers
The prime factorization of 19388949 is 3 × 19 × 19 × 17903.
Since it has a total of 4 prime factors.
7 , 1 , 41 , 97 , 162 , 658 , 3481 , 8423 , 10171 , 64299 , 93459 , 515635 , 3107726 , 2686549 , 52842869 , 84772657 , 434838346 , 771695943 , 5179825137 , 6696356534
n×2
38777898
n×3
58166847
n×4
77555796
n×5
96944745
n÷2
9694474.5
n÷3
6462983
n÷3
4847237.25
n÷5
3877789.8
n2
375931343324601
n3
7.2889136432222E+21
n4
1.4132437489384E+29
n5
2.7401310972735E+36
2 √n
4403.288430253
3 √n
268.64870788864
4 √n
66.357278653159
5 √n
28.675490389563
1 , 3 , 19 , 57 , 361 , 1083 , 17903 , 53709 , 340157 , 1020471 , 6462983 , 19388949
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19388948
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19388949 can be divided by 12 positive divisors.
The sum of these divisors (counting 19388949) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001001111101101000010101
3
Ternary
1100111001122020
4
Quaternary
1021331220111
5
Quinary
14430421244
6
Senary
1531323353
8
Octal
111755025
10
Decimal
19388949
12
Duodecimal
65b0559
16
Hexadecimal
127da15
20
Vigesimal
613c79
36
Base36
bjklx
md5
b386f970b02772fa9505bcbb5561cd20
sha1
03c10047405719895681852142082ba373650579
sha256
e2abf531ff8a4b9f0f79501630c97f4096b2e30befd6e6f585588c1370fa562f
sha512
ee0b552df3654551aa43daa7f5672640c1c77f1d47a04392c6de3003079bb69b47e6d182a2a6c79d335671c26779dc45497db41c999f377bd0f98ffea2f712c6
ripemd-160
e1375016ef784ba3bd54729d46b0cb534bcff4b4
Diameter
38777898
Circumference
121824359.47845
Area
1.1810231464427E+15
Volume
3.0531730072263E+22
Surface area
4.7240925857708E+15
Circumference
121824359.47845
Perimeter
77555796
Area
375931343324601
Diagonal
27420114.63596
Surface area
2255588059947606
Volume
7.2889136432222E+21
Space diagonal
33582644.773362
Perimeter
58166847
Area
1.6278304669896E+14
Altitude
16791322.386681
Surface area
1.6278304669896E+14
Volume
8.5900671076759E+20
Height
9140038.2119868