19388538 is an even 8-digits composite number following 19388537
and preceding 19388539 . In scientific notation, it is written as 1.9388538 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors.
There are 5866560 positive integers (up to 19388538) that are relatively prime to 19388538.
19388538 has 32 divisors, whose sum is 33022080
The reverse of 19388538 is 83588391
Previous prime number is 71
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
nineteen million three hundred eighty-eight thousand five hundred thirty-eight
Scientific notation
1.9388538 × 10^7
Engineering notation
1.9388538 × 10^6
Prime Factorization
2 × 27 × 13 × 71 × 389
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
19388538
Product of the distinct prime numbers
The prime factorization of 19388538 is 2 × 27 × 13 × 71 × 389.
Since it has a total of 5 prime factors.
5 , 5 , 58 , 95 , 753 , 980 , 1019 , 8398 , 41098 , 15015 , 427995 , 36757 , 3366919 , 9943463 , 72817930 , 67198754 , 915591922 , 312215805 , 6550024040 , 4046632432
n×2
38777076
n×3
58165614
n×4
77554152
n×5
96942690
n÷2
9694269
n÷3
6462846
n÷3
4847134.5
n÷5
3877707.6
n2
375915405777444
n3
7.2884501297014E+21
n4
1.4131239230082E+29
n5
2.7398406879954E+36
2 √n
4403.2417603398
3 √n
268.64680963552
4 √n
66.356926995904
5 √n
28.675368817976
1 , 2 , 13 , 26 , 27 , 54 , 71 , 142 , 351 , 389 , 702 , 778 , 923 , 1846 , 1917 , 3834 , 5057 , 10114 , 10503 , 21006 , 24921 , 27619 , 49842 , 55238 , 136539 , 273078 , 359047 , 718094 , 745713 , 1491426 , 9694269 , 19388538
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
-19388537
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 19388538 can be divided by 32 positive divisors.
The sum of these divisors (counting 19388538) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001001111101100001111010
3
Ternary
1100111001002000
4
Quaternary
1021331201322
5
Quinary
14430413123
6
Senary
1531321430
8
Octal
111754172
10
Decimal
19388538
12
Duodecimal
65b0276
16
Hexadecimal
127d87a
20
Vigesimal
613b6i
36
Base36
bjkai
md5
6cb424164f0d95edc438452bb2f35aea
sha1
bde0783bd1b200d0a60d528a51bbdae316e460c6
sha256
df260b60d8576c26c94e55bdc0d2635ba8e2b84a4f043257d7576bab6af5d85c
sha512
5986f2ef7402aa4319718101bcdde9cea5cec23aa2c1f892e48565dee2f6c583dad0371b06276f446d35f8f709b881facd95425dfa055ab2fd44eb65fe65d7c0
ripemd-160
5b7a95aa0f12205963a759e11604c44c1fd08927
Diameter
38777076
Circumference
121821777.08929
Area
1.1809730771616E+15
Volume
3.0529788511367E+22
Surface area
4.7238923086466E+15
Circumference
121821777.08929
Perimeter
77554152
Area
375915405777444
Diagonal
27419533.394186
Surface area
2255492434664664
Volume
7.2884501297014E+21
Space diagonal
33581932.90048
Perimeter
58165614
Area
1.627761455386E+14
Altitude
16790966.45024
Surface area
1.627761455386E+14
Volume
8.589520851753E+20
Height
9139844.4647287