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

19981909 (number)

19981909 is an odd 8-digits composite number following 19981908 and preceding 19981910. In scientific notation, it is written as 1.9981909 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 19556716 positive integers (up to 19981909) that are relatively prime to 19981909.

Interesting facts

19981909 has 4 divisors, whose sum is 20407104
The reverse of 19981909 is 90918991
Previous prime number is 47

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1

Name

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

Notation

Scientific notation	1.9981909 × 10^7
Engineering notation	1.9981909 × 10^6

Prime Factorization of 19981909

Prime Factorization 47 × 425147

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	19981909	Product of the distinct prime numbers

The prime factorization of 19981909 is 47 × 425147. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 2, 31, 34, 817, 107, 7097, 160, 70770, 77645, 679599, 747564, 1052691, 3709293, 60014274, 10027290, 337804009, 191374967, 7949428977, 3942456313

Basic calculations (n = 19981909)

Multiplication

n×y

n×2	39963818
n×3	59945727
n×4	79927636
n×5	99909545

Division

n÷y

n÷2	9990954.5
n÷3	6660636.3333333
n÷3	4995477.25
n÷5	3996381.8

Exponentiation

n^y

n²	399276687284281
n³	7.978310431136E+21
n⁴	1.5942187300871E+29
n⁵	3.1855533590696E+36

Nth Root

^y√n

²√n	4470.1128621099
³√n	271.35989275452
⁴√n	66.858902639139
⁵√n	28.848776251627

Divisors of 19981909

1, 47, 425147, 19981909

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	-19981908	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 19981909 can be divided by 4 positive divisors. The sum of these divisors (counting 19981909) is 1, the average is 0.25.

Base conversion 19981909

Base	System	Value
2	Binary	1001100001110011001010101
3	Ternary	1101121012000201
4	Quaternary	1030032121111
5	Quinary	20103410114
6	Senary	1552140501
8	Octal	114163125
10	Decimal	19981909
12	Duodecimal	6837731
16	Hexadecimal	130e655
20	Vigesimal	64hef9
36	Base36	bwa51

Cryptographic Hash Functions

md5	9456447b6f8775c1370905b0cd62692c
sha1	a87a52f33269dac8e91b428e88d6e0ffedbc03a3
sha256	e69e51c0e858947ddf2ae300564db7a343ca2bef1f3fa7496da61724e5ddf318
sha512	6bed2b22ac054c3a1e3d83d9957d65150ffe7e560fb53958069b6e0ad0e70ad5b3f3a06cfefa8fbf82fe21d3bddd06e190079f364821bd5437ec212372a6b1fa
ripemd-160	b6b16bc36717afd783a8eaa58be288938bbea73e

19981909 as geometric shapes

Circle

Radius = n

Diameter	39963818
Circumference	125550037.0382
Area	1.254364707522E+15

Sphere

Radius = n

Volume	3.3419468584687E+22
Surface area	5.0174588300879E+15
Circumference	125550037.0382

Square

Length = n

Perimeter	79927636
Area	399276687284281
Diagonal	28258686.709905

Cube

Length = n

Surface area	2395660123705686
Volume	7.978310431136E+21
Space diagonal	34609681.620218

Equilateral Triangle

Length = n

Perimeter	59945727
Area	1.7289187716354E+14
Altitude	17304840.810109

Triangular Pyramid

Length = n

Surface area	1.7289187716354E+14
Volume	9.4025290137793E+20
Height	9419562.236635