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

19981904 (number)

19981904 is an even 8-digits composite number following 19981903 and preceding 19981905. In scientific notation, it is written as 1.9981904 × 10^7. The sum of its digits is 41. It has a total of 5 prime factors and 10 positive divisors. There are 9990944 positive integers (up to 19981904) that are relatively prime to 19981904.

Interesting facts

19981904 has 10 divisors, whose sum is 38714970
The reverse of 19981904 is 40918991
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5

Name

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

Notation

Scientific notation	1.9981904 × 10^7
Engineering notation	1.9981904 × 10^6

Prime Factorization of 19981904

Prime Factorization 2 × 2 × 2 × 2 × 1248869

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	5	Total number of prime factors
rad	Radical	2497738	Product of the distinct prime numbers

The prime factorization of 19981904 is 2 × 2 × 2 × 2 × 1248869. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 10, 22, 17, 664, 330, 682, 8132, 57496, 65112, 26930, 664393, 1603955, 1937072, 68496796, 34066070, 872552834, 216868918, 6492321875, 3075858138

Basic calculations (n = 19981904)

Multiplication

n×y

n×2	39963808
n×3	59945712
n×4	79927616
n×5	99909520

Division

n÷y

n÷2	9990952
n÷3	6660634.6666667
n÷3	4995476
n÷5	3996380.8

Exponentiation

n^y

n²	399276487465216
n³	7.9783044419871E+21
n⁴	1.5942171344256E+29
n⁵	3.1855493735248E+36

Nth Root

^y√n

²√n	4470.1123028398
³√n	271.35987012072
⁴√n	66.858898456674
⁵√n	28.848774807882

Divisors of 19981904

1, 2, 4, 8, 16, 1248869, 2497738, 4995476, 9990952, 19981904

10 divisors

τ	Total Divisors	10	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-19981903	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.1	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	10	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19981904 can be divided by 10 positive divisors. The sum of these divisors (counting 19981904) is 1, the average is 0.1.

Base conversion 19981904

Base	System	Value
2	Binary	1001100001110011001010000
3	Ternary	1101121012000112
4	Quaternary	1030032121100
5	Quinary	20103410104
6	Senary	1552140452
8	Octal	114163120
10	Decimal	19981904
12	Duodecimal	6837728
16	Hexadecimal	130e650
20	Vigesimal	64hef4
36	Base36	bwa4w

Cryptographic Hash Functions

md5	6c8be61d8842586c61360bf3610cc33a
sha1	6a71fdce0a066dd4cbb130d7ab3a1bea665d4dd2
sha256	6a9653b4af777b5448732231ccd1fef56db7be4675637656718f860be99b28f2
sha512	b747bc5804865e806ab6820e53b38bc7c5bc1df96b87cbd748438d3bdec33c417e31bb1270f55c4c09963a483c6dcd843fc7fbad61b68da6f6dca8d494eab48e
ripemd-160	614efbe9cbf9b5df5d0517f6fc99c72c7dd7bf77

19981904 as geometric shapes

Circle

Radius = n

Diameter	39963808
Circumference	125550005.62227
Area	1.2543640797719E+15

Sphere

Radius = n

Volume	3.34194434974E+22
Surface area	5.0174563190874E+15
Circumference	125550005.62227

Square

Length = n

Perimeter	79927616
Area	399276487465216
Diagonal	28258679.638837

Cube

Length = n

Surface area	2395658924791296
Volume	7.9783044419871E+21
Space diagonal	34609672.959964

Equilateral Triangle

Length = n

Perimeter	59945712
Area	1.7289179063935E+14
Altitude	17304836.479982

Triangular Pyramid

Length = n

Surface area	1.7289179063935E+14
Volume	9.4025219554998E+20
Height	9419559.8796124