19981431 is an odd 8-digits composite number following 19981430
and preceding 19981432 . In scientific notation, it is written as 1.9981431 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 13320936 positive integers (up to 19981431) that are relatively prime to 19981431.
19981431 has 8 divisors, whose sum is 29602160
The reverse of 19981431 is 13418991
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
nineteen million nine hundred eighty-one thousand four hundred thirty-one
Scientific notation
1.9981431 × 10^7
Engineering notation
1.9981431 × 10^6
Prime Factorization
9 × 3 × 740053
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19981431
Product of the distinct prime numbers
The prime factorization of 19981431 is 9 × 3 × 740053.
Since it has a total of 3 prime factors.
10 , 6 , 6 , 66 , 28 , 326 , 2825 , 4833 , 20323 , 54788 , 164795 , 294439 , 717517 , 3491054 , 62601039 , 16243263 , 811820705 , 571841843 , 1767009251 , 4671781081
n×2
39962862
n×3
59944293
n×4
79925724
n×5
99907155
n÷2
9990715.5
n÷3
6660477
n÷3
4995357.75
n÷5
3996286.2
n2
399257584807761
n3
7.9777378820629E+21
n4
1.5940661902653E+29
n5
3.1851723590218E+36
2 √n
4470.0593955785
3 √n
271.35772894619
4 √n
66.85850279193
5 √n
28.848638228308
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
-19981430
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 19981431 can be divided by 8 positive divisors.
The sum of these divisors (counting 19981431) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100001110010001110111
3
Ternary
1101121011101000
4
Quaternary
1030032101313
5
Quinary
20103401211
6
Senary
1552134343
8
Octal
114162167
10
Decimal
19981431
12
Duodecimal
68373b3
16
Hexadecimal
130e477
20
Vigesimal
64hdbb
36
Base36
bw9rr
md5
fca81cbdc5e959b36d5b5a6ad6ce6df9
sha1
3b156c3ffa41be052fb731953dcc64d7103c4473
sha256
20c39cc77f67c829068a56b448a33d36b5475d5dd8d37361ac0dd5ae568c95ce
sha512
cfc6d4b396e762c6e90a0297c9de9480bd3a05bc0ba991c3a0b80a23c19591afb602e96da637169a1ab777b1590a9a2d23209ce9d407a4f8ff96ec2e5ccff1ad
ripemd-160
7853ec033b3b2577563256d76e9c3960919d34de
Diameter
39962862
Circumference
125547033.67562
Area
1.2543046953221E+15
Volume
3.3417070296739E+22
Surface area
5.0172187812883E+15
Circumference
125547033.67562
Perimeter
79925724
Area
399257584807761
Diagonal
28258010.715822
Surface area
2395545508846566
Volume
7.9777378820629E+21
Space diagonal
34608853.699932
Perimeter
59944293
Area
1.7288360554857E+14
Altitude
17304426.849966
Surface area
1.7288360554857E+14
Volume
9.4018542582258E+20
Height
9419336.9052741