19821490 is an even 8-digits composite number following 19821489
and preceding 19821491 . In scientific notation, it is written as 1.9821490 × 10^7.
The sum of its digits is 34. It has a total of 5 prime factors and 32 positive divisors.
There are 6887424 positive integers (up to 19821490) that are relatively prime to 19821490.
19821490 has 32 divisors, whose sum is 40687920
The reverse of 19821490 is 09412891
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
nineteen million eight hundred twenty-one thousand four hundred ninety
Scientific notation
1.9821490 × 10^7
Engineering notation
1.9821490 × 10^6
Prime Factorization
2 × 5 × 13 × 17 × 8969
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
19821490
Product of the distinct prime numbers
The prime factorization of 19821490 is 2 × 5 × 13 × 17 × 8969.
Since it has a total of 5 prime factors.
10 , 9 , 58 , 96 , 373 , 812 , 8533 , 3949 , 5767 , 73592 , 286908 , 542047 , 8380926 , 7251855 , 85213819 , 49381983 , 795255247 , 458062059 , 4050430907 , 9654229458
n×2
39642980
n×3
59464470
n×4
79285960
n×5
99107450
n÷2
9910745
n÷3
6607163.3333333
n÷3
4955372.5
n÷5
3964298
n2
392891465820100
n3
7.7876942608385E+21
n4
1.5436370391427E+29
n5
3.0597186134996E+36
2 √n
4452.1331965699
3 √n
270.63176249442
4 √n
66.724307389211
5 √n
28.802305963853
1 , 2 , 5 , 10 , 13 , 17 , 26 , 34 , 65 , 85 , 130 , 170 , 221 , 442 , 1105 , 2210 , 8969 , 17938 , 44845 , 89690 , 116597 , 152473 , 233194 , 304946 , 582985 , 762365 , 1165970 , 1524730 , 1982149 , 3964298 , 9910745 , 19821490
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
-19821489
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 19821490 can be divided by 32 positive divisors.
The sum of these divisors (counting 19821490) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001011100111001110110010
3
Ternary
1101022000222021
4
Quaternary
1023213032302
5
Quinary
20033241430
6
Senary
1544502054
8
Octal
113471662
10
Decimal
19821490
12
Duodecimal
677a92a
16
Hexadecimal
12e73b2
20
Vigesimal
63hdea
36
Base36
bsucy
md5
1dfe326f2ef2126c8eb98ab9aeaa2366
sha1
083e858adfa79fcc97bb86aa3e2bec0cf90812eb
sha256
2c41a93034ea90548a01a1d9ff7b3f6a9f5b442ace80aa707b0f0a130d5e5999
sha512
fd51ea8beef20038b91fbb241180a908dff04fd36039be6b5b06d39f125e289de19a616c087cef4b8e342b5a1060abc6ffb24d0bf22228b19f8fe848bafe1b63
ripemd-160
3d5dda9c3b3fa55ef831e172b2096f9b988cf390
Diameter
39642980
Circumference
124542094.73441
Area
1.2343049426786E+15
Volume
3.2621017437671E+22
Surface area
4.9372197707142E+15
Circumference
124542094.73441
Perimeter
79285960
Area
392891465820100
Diagonal
28031819.984443
Surface area
2357348794920600
Volume
7.7876942608385E+21
Space diagonal
34331827.761718
Perimeter
59464470
Area
1.7012699516516E+14
Altitude
17165913.880859
Surface area
1.7012699516516E+14
Volume
9.177885702744E+20
Height
9343939.9948142