19981431 (number)

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.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred eighty-one thousand four hundred thirty-one

Notation

Scientific notation 1.9981431 × 10^7
Engineering notation 1.9981431 × 10^6

Prime Factorization of 19981431

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.

Most popular turbo-numbers

Basic calculations (n = 19981431)

Multiplication

n×y
n×2 39962862
n×3 59944293
n×4 79925724
n×5 99907155

Division

n÷y
n÷2 9990715.5
n÷3 6660477
n÷3 4995357.75
n÷5 3996286.2

Exponentiation

ny
n2 399257584807761
n3 7.9777378820629E+21
n4 1.5940661902653E+29
n5 3.1851723590218E+36

Nth Root

y√n
2√n 4470.0593955785
3√n 271.35772894619
4√n 66.85850279193
5√n 28.848638228308

Divisors of 19981431

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 conversion 19981431

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

Cryptographic Hash Functions

md5 fca81cbdc5e959b36d5b5a6ad6ce6df9
sha1 3b156c3ffa41be052fb731953dcc64d7103c4473
sha256 20c39cc77f67c829068a56b448a33d36b5475d5dd8d37361ac0dd5ae568c95ce
sha512 cfc6d4b396e762c6e90a0297c9de9480bd3a05bc0ba991c3a0b80a23c19591afb602e96da637169a1ab777b1590a9a2d23209ce9d407a4f8ff96ec2e5ccff1ad
ripemd-160 7853ec033b3b2577563256d76e9c3960919d34de

19981431 as geometric shapes

Circle

Radius = n
Diameter 39962862
Circumference 125547033.67562
Area 1.2543046953221E+15

Sphere

Radius = n
Volume 3.3417070296739E+22
Surface area 5.0172187812883E+15
Circumference 125547033.67562

Square

Length = n
Perimeter 79925724
Area 399257584807761
Diagonal 28258010.715822

Cube

Length = n
Surface area 2395545508846566
Volume 7.9777378820629E+21
Space diagonal 34608853.699932

Equilateral Triangle

Length = n
Perimeter 59944293
Area 1.7288360554857E+14
Altitude 17304426.849966

Triangular Pyramid

Length = n
Surface area 1.7288360554857E+14
Volume 9.4018542582258E+20
Height 9419336.9052741