19021491 is an odd 8-digits composite number following 19021490
and preceding 19021492 . In scientific notation, it is written as 1.9021491 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 12587616 positive integers (up to 19021491) that are relatively prime to 19021491.
19021491 has 8 divisors, whose sum is 21290640
The reverse of 19021491 is 19412091
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
nineteen million twenty-one thousand four hundred ninety-one
Scientific notation
1.9021491 × 10^7
Engineering notation
1.9021491 × 10^6
Prime Factorization
9 × 137 × 15427
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19021491
Product of the distinct prime numbers
The prime factorization of 19021491 is 9 × 137 × 15427.
Since it has a total of 3 prime factors.
8 , 3 , 41 , 44 , 195 , 281 , 1881 , 2323 , 16728 , 85690 , 935095 , 262219 , 7565403 , 1794933 , 86874365 , 8002417 , 624981409 , 611527874 , 9990247616 , 1498455419
n×2
38042982
n×3
57064473
n×4
76085964
n×5
95107455
n÷2
9510745.5
n÷3
6340497
n÷3
4755372.75
n÷5
3804298.2
n2
361817119863081
n3
6.8823010891215E+21
n4
1.3091162822602E+29
n5
2.4901343580965E+36
2 √n
4361.3634336065
3 √n
266.9407350682
4 √n
66.040619573157
5 √n
28.565965754952
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
-19021490
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 19021491 can be divided by 8 positive divisors.
The sum of these divisors (counting 19021491) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001000100011111010110011
3
Ternary
1022210101120200
4
Quaternary
1020203322303
5
Quinary
14332141431
6
Senary
1515410243
8
Octal
110437263
10
Decimal
19021491
12
Duodecimal
6453983
16
Hexadecimal
1223eb3
20
Vigesimal
5ihdeb
36
Base36
bbp2r
md5
4fccca7dec2e1d8a844b5ad47359e2a0
sha1
7a4561db2b46762fd3fea1c857f96c0514365f12
sha256
8a623dfc658479bca86a15aa098925c7c7fccbef253ee105c7240f97ac4b7179
sha512
9c70942edfdcfa30785d342c52c6befbd071bc9f4684317770717aa124f8e5d4dd3a887775eb8971d7a386b64a3a3d060dee236df34f4baabf3d6f35e15fa483
ripemd-160
f8c8daee8f3a49ba969913dbfb39c3a8065e5401
Diameter
38042982
Circumference
119515552.77185
Area
1.1366820057049E+15
Volume
2.8828515388503E+22
Surface area
4.5467280228195E+15
Circumference
119515552.77185
Perimeter
76085964
Area
361817119863081
Diagonal
26900450.548758
Surface area
2170902719178486
Volume
6.8823010891215E+21
Space diagonal
32946188.847714
Perimeter
57064473
Area
1.5667140866277E+14
Altitude
16473094.423857
Surface area
1.5667140866277E+14
Volume
8.1108696171423E+20
Height
8966816.8495859