19981490 is an even 8-digits composite number following 19981489
and preceding 19981491 . In scientific notation, it is written as 1.9981490 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 7981056 positive integers (up to 19981490) that are relatively prime to 19981490.
19981490 has 16 divisors, whose sum is 36018648
The reverse of 19981490 is 09418991
Previous prime number is 1153
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
nineteen million nine hundred eighty-one thousand four hundred ninety
Scientific notation
1.9981490 × 10^7
Engineering notation
1.9981490 × 10^6
Prime Factorization
2 × 5 × 1153 × 1733
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19981490
Product of the distinct prime numbers
The prime factorization of 19981490 is 2 × 5 × 1153 × 1733.
Since it has a total of 4 prime factors.
7 , 1 , 80 , 37 , 94 , 706 , 3334 , 8366 , 3323 , 35755 , 927841 , 52507 , 7064701 , 5591230 , 54092073 , 55016290 , 381635312 , 435525030 , 7065076786 , 6945836048
n×2
39962980
n×3
59944470
n×4
79925960
n×5
99907450
n÷2
9990745
n÷3
6660496.6666667
n÷3
4995372.5
n÷5
3996298
n2
399259942620100
n3
7.9778085508641E+21
n4
1.5940850178101E+29
n5
3.1852193842521E+36
2 √n
4470.0659950386
3 √n
271.357996029
4 √n
66.858552145844
5 √n
28.848655264802
1 , 2 , 5 , 10 , 1153 , 1733 , 2306 , 3466 , 5765 , 8665 , 11530 , 17330 , 1998149 , 3996298 , 9990745 , 19981490
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
-19981489
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 19981490 can be divided by 16 positive divisors.
The sum of these divisors (counting 19981490) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100001110010010110010
3
Ternary
1101121011110012
4
Quaternary
1030032102302
5
Quinary
20103401430
6
Senary
1552134522
8
Octal
114162262
10
Decimal
19981490
12
Duodecimal
6837442
16
Hexadecimal
130e4b2
20
Vigesimal
64hdea
36
Base36
bw9te
md5
aa6dc1d9c2c9185a305ce90aeb586690
sha1
361c729189120a9d60287b05bf9dd64eebbc823c
sha256
4d17200e338b68613440b9c54a5aff9b99523270efb8c722016bc7acc5a9e584
sha512
9f9466a99b7181bf27d9ba928eb1051ce8521ad63ff3e1361aa7b8d6d525a49f298fc6431e3fbff2e46d91ad775492784245d98967694c79ebec304f4b2aa58f
ripemd-160
1a26ffb8319a0a4b57073ef38f915146f7687e7d
Diameter
39962980
Circumference
125547404.38356
Area
1.254312102608E+15
Volume
3.3417366313521E+22
Surface area
5.017248410432E+15
Circumference
125547404.38356
Perimeter
79925960
Area
399259942620100
Diagonal
28258094.154422
Surface area
2395559655720600
Volume
7.9778085508641E+21
Space diagonal
34608955.890929
Perimeter
59944470
Area
1.7288462651126E+14
Altitude
17304477.945465
Surface area
1.7288462651126E+14
Volume
9.4019375422067E+20
Height
9419364.7181408