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

19981191 (number)

19981191 is an odd 8-digits composite number following 19981190 and preceding 19981192. In scientific notation, it is written as 1.9981191 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 13320792 positive integers (up to 19981191) that are relatively prime to 19981191.

Interesting facts

19981191 has 4 divisors, whose sum is 26641592
The reverse of 19981191 is 19118991
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3

Name

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

Notation

Scientific notation	1.9981191 × 10^7
Engineering notation	1.9981191 × 10^6

Prime Factorization of 19981191

Prime Factorization 3 × 6660397

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	19981191	Product of the distinct prime numbers

The prime factorization of 19981191 is 3 × 6660397. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 4, 67, 6, 552, 892, 881, 6206, 9273, 56279, 328954, 58571, 3770657, 1862604, 10207685, 23554225, 719606019, 910277476, 8013534599, 9291223483

Basic calculations (n = 19981191)

Multiplication

n×y

n×2	39962382
n×3	59943573
n×4	79924764
n×5	99905955

Division

n÷y

n÷2	9990595.5
n÷3	6660397
n÷3	4995297.75
n÷5	3996238.2

Exponentiation

n^y

n²	399247993778481
n³	7.9774504200546E+21
n⁴	1.5939896053614E+29
n⁵	3.1849810756741E+36

Nth Root

^y√n

²√n	4470.0325502171
³√n	271.35664250222
⁴√n	66.85830202912
⁵√n	28.848568926901

Divisors of 19981191

1, 3, 6660397, 19981191

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	-19981190	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 19981191 can be divided by 4 positive divisors. The sum of these divisors (counting 19981191) is 1, the average is 0.25.

Base conversion 19981191

Base	System	Value
2	Binary	1001100001110001110000111
3	Ternary	1101121011001010
4	Quaternary	1030032032013
5	Quinary	20103344231
6	Senary	1552133303
8	Octal	114161607
10	Decimal	19981191
12	Duodecimal	6837233
16	Hexadecimal	130e387
20	Vigesimal	64hcjb
36	Base36	bw9l3

Cryptographic Hash Functions

md5	474d74507e3ada55417e7d1dff64bd56
sha1	b8e5ecfd5477321747e1ed2e8fdff333ff7dceaa
sha256	4516d42f623c826dfeb32bb797d046f779b3ec65e9f19859e02a1e4518adfb47
sha512	2b24cb1e100abba4bc4914b99e9c802236d85a05e8bfa4e6a9be7f942e98b09d7af7f6dbc94046e7f61d4165b9c1bddd615c485af05799d14ef9ea4897c13ccc
ripemd-160	2fe36347ac57c9a36540ca9b391830f30150bf4b

19981191 as geometric shapes

Circle

Radius = n

Diameter	39962382
Circumference	125545525.71115
Area	1.2542745642149E+15

Sphere

Radius = n

Volume	3.3415866178694E+22
Surface area	5.0170982568598E+15
Circumference	125545525.71115

Square

Length = n

Perimeter	79924764
Area	399247993778481
Diagonal	28257671.304567

Cube

Length = n

Surface area	2395487962670886
Volume	7.9774504200546E+21
Space diagonal	34608438.007738

Equilateral Triangle

Length = n

Perimeter	59943573
Area	1.7287945251107E+14
Altitude	17304219.003869

Triangular Pyramid

Length = n

Surface area	1.7287945251107E+14
Volume	9.4015154810002E+20
Height	9419223.7681891