Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

19981131 (number)

19981131 is an odd 8-digits composite number following 19981130 and preceding 19981132. In scientific notation, it is written as 1.9981131 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 13320752 positive integers (up to 19981131) that are relatively prime to 19981131.

Interesting facts

19981131 has 4 divisors, whose sum is 26641512
The reverse of 19981131 is 13118991
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6

Name

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

Notation

Scientific notation	1.9981131 × 10^7
Engineering notation	1.9981131 × 10^6

Prime Factorization of 19981131

Prime Factorization 3 × 6660377

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	19981131	Product of the distinct prime numbers

The prime factorization of 19981131 is 3 × 6660377. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 1, 65, 61, 288, 467, 6686, 9736, 22047, 20842, 258166, 977227, 9652035, 6946380, 12314700, 25664994, 28019276, 652805961, 2431782291, 3065946081

Basic calculations (n = 19981131)

Multiplication

n×y

n×2	39962262
n×3	59943393
n×4	79924524
n×5	99905655

Division

n÷y

n÷2	9990565.5
n÷3	6660377
n÷3	4995282.75
n÷5	3996226.2

Exponentiation

n^y

n²	399245596039161
n³	7.9773785556316E+21
n⁴	1.5939704595666E+29
n⁵	3.1849332562731E+36

Nth Root

^y√n

²√n	4470.0258388515
³√n	271.35637088987
⁴√n	66.858251838135
⁵√n	28.848551601445

Divisors of 19981131

1, 3, 6660377, 19981131

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-19981130	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19981131 can be divided by 4 positive divisors. The sum of these divisors (counting 19981131) is 1, the average is 0.25.

Base conversion 19981131

Base	System	Value
2	Binary	1001100001110001101001011
3	Ternary	1101121010221220
4	Quaternary	1030032031023
5	Quinary	20103344011
6	Senary	1552133123
8	Octal	114161513
10	Decimal	19981131
12	Duodecimal	68371a3
16	Hexadecimal	130e34b
20	Vigesimal	64hcgb
36	Base36	bw9jf

Cryptographic Hash Functions

md5	a66a48e16d19689c01cd7ba430d05923
sha1	cda16870cef76c0653d078509f77a1a304cdaf81
sha256	eac83eabaeb8b52901767963bc8af09146717c82ee617dff459c842c69414cfd
sha512	1104a80a1793c900ee144e0c4cc66a56cc62ba2934d1581ef71d6a637055a8683fc4b1835e19a005ce6fc72eb9cc195649e04b515d5e441d4d6b261e170cc219
ripemd-160	4363cf22b441a4ff12dc6602e9f98c8cd1529fe3

19981131 as geometric shapes

Circle

Radius = n

Diameter	39962262
Circumference	125545148.72003
Area	1.2542670314947E+15

Sphere

Radius = n

Volume	3.3415565153702E+22
Surface area	5.0170681259788E+15
Circumference	125545148.72003

Square

Length = n

Perimeter	79924524
Area	399245596039161
Diagonal	28257586.451753

Cube

Length = n

Surface area	2395473576234966
Volume	7.9773785556316E+21
Space diagonal	34608334.08469

Equilateral Triangle

Length = n

Perimeter	59943393
Area	1.7287841425949E+14
Altitude	17304167.042345

Triangular Pyramid

Length = n

Surface area	1.7287841425949E+14
Volume	9.4014307879654E+20
Height	9419195.4839178