19381921 is an odd 8-digits composite number following 19381920
and preceding 19381922 . In scientific notation, it is written as 1.9381921 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 16838400 positive integers (up to 19381921) that are relatively prime to 19381921.
19381921 has 8 divisors, whose sum is 22100904
The reverse of 19381921 is 12918391
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
nineteen million three hundred eighty-one thousand nine hundred twenty-one
Scientific notation
1.9381921 × 10^7
Engineering notation
1.9381921 × 10^6
Prime Factorization
13 × 17 × 87701
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19381921
Product of the distinct prime numbers
The prime factorization of 19381921 is 13 × 17 × 87701.
Since it has a total of 3 prime factors.
7 , 2 , 51 , 69 , 512 , 449 , 9817 , 9414 , 4344 , 28062 , 116960 , 675365 , 225916 , 1188693 , 67386462 , 98457221 , 784303427 , 404209574 , 2503492632 , 1530802909
n×2
38763842
n×3
58145763
n×4
77527684
n×5
96909605
n÷2
9690960.5
n÷3
6460640.3333333
n÷3
4845480.25
n÷5
3876384.2
n2
375658861650241
n3
7.2809903794549E+21
n4
1.4111958033635E+29
n5
2.7351685576324E+36
2 √n
4402.4903179905
3 √n
268.61624452872
4 √n
66.351264629926
5 √n
28.67341126116
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
-19381920
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 19381921 can be divided by 8 positive divisors.
The sum of these divisors (counting 19381921) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001001111011111010100001
3
Ternary
1100110200222221
4
Quaternary
1021323322201
5
Quinary
14430210141
6
Senary
1531231041
8
Octal
111737241
10
Decimal
19381921
12
Duodecimal
65a8481
16
Hexadecimal
127bea1
20
Vigesimal
612eg1
36
Base36
bjf6p
md5
cea566b1de7c4c4de43ed7bfb9e0a777
sha1
a9aa0c0bd1e163e2006579f9cd9eeec8fe9511f4
sha256
7b253c9d610ec5e788b3558f1d0141df85cb8e0206ba379b49a5f8ea5937791e
sha512
3f5e26a842472ec9df81291277a9acd026d17654cad2cbc2ff6969941502e0f18a39a287f75689f161d6e45447ad1bdcd86a81a0a6fdbd05051f6d8432aca513
ripemd-160
bd16c4a590676112d1d397f611db89feb023d52b
Diameter
38763842
Circumference
121780201.25212
Area
1.1801671200163E+15
Volume
3.0498541182605E+22
Surface area
4.7206684800652E+15
Circumference
121780201.25212
Perimeter
77527684
Area
375658861650241
Diagonal
27410175.543044
Surface area
2253953169901446
Volume
7.2809903794549E+21
Space diagonal
33570471.920286
Perimeter
58145763
Area
1.6266505867293E+14
Altitude
16785235.960143
Surface area
1.6266505867293E+14
Volume
8.5807294517776E+20
Height
9136725.1810146