19387842 is an even 8-digits composite number following 19387841
and preceding 19387843 . In scientific notation, it is written as 1.9387842 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 6452432 positive integers (up to 19387842) that are relatively prime to 19387842.
19387842 has 16 divisors, whose sum is 38836800
The reverse of 19387842 is 24878391
Previous prime number is 4349
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
nineteen million three hundred eighty-seven thousand eight hundred forty-two
Scientific notation
1.9387842 × 10^7
Engineering notation
1.9387842 × 10^6
Prime Factorization
2 × 3 × 4349 × 743
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19387842
Product of the distinct prime numbers
The prime factorization of 19387842 is 2 × 3 × 4349 × 743.
Since it has a total of 4 prime factors.
4 , 9 , 5 , 73 , 831 , 194 , 5241 , 9849 , 13746 , 36491 , 598567 , 467511 , 1370621 , 6847245 , 82718749 , 17227129 , 158396001 , 578474669 , 8811048060 , 1351558149
n×2
38775684
n×3
58163526
n×4
77551368
n×5
96939210
n÷2
9693921
n÷3
6462614
n÷3
4846960.5
n÷5
3877568.4
n2
375888417416964
n3
7.2876652465101E+21
n4
1.4129210234823E+29
n5
2.7393489561753E+36
2 √n
4403.1627269498
3 √n
268.6435950143
4 √n
66.356331475977
5 √n
28.675162940222
1 , 2 , 3 , 6 , 743 , 1486 , 2229 , 4349 , 4458 , 8698 , 13047 , 26094 , 3231307 , 6462614 , 9693921 , 19387842
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19387841
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19387842 can be divided by 16 positive divisors.
The sum of these divisors (counting 19387842) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001001111101010111000010
3
Ternary
1100111000010020
4
Quaternary
1021331113002
5
Quinary
14430402332
6
Senary
1531314310
8
Octal
111752702
10
Decimal
19387842
12
Duodecimal
65ab996
16
Hexadecimal
127d5c2
20
Vigesimal
6139c2
36
Base36
bjjr6
md5
d6f0288ca12cb5085cb4abef50661858
sha1
fac8a7124052341c1c149b75a366dcb30f524e83
sha256
4e0ef86bfa53804b91d0f1768257289e9833f84fce6b705f82b5a83629086ddf
sha512
2cfe7312f9863b5467b6f02bfebbd398f30c576b1fc0f9e1b0b4627c28ce7b5c3439e1bc72fc37a55ca7370b2e584ded9d6763dda85a85f1a598bef98d7eb171
ripemd-160
b5af1beba16e9b4db2e907aa1ff8cbc55ac1bc97
Diameter
38775684
Circumference
121817403.99232
Area
1.1808882907266E+15
Volume
3.0526500800344E+22
Surface area
4.7235531629065E+15
Circumference
121817403.99232
Perimeter
77551368
Area
375888417416964
Diagonal
27418549.101547
Surface area
2255330504501784
Volume
7.2876652465101E+21
Space diagonal
33580727.393118
Perimeter
58163526
Area
1.6276445923571E+14
Altitude
16790363.696559
Surface area
1.6276445923571E+14
Volume
8.5885958580414E+20
Height
9139516.3671822