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

19985809 (number)

19985809 is an odd 8-digits composite number following 19985808 and preceding 19985810. In scientific notation, it is written as 1.9985809 × 10^7. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 19445616 positive integers (up to 19985809) that are relatively prime to 19985809.

Interesting facts

19985809 has 4 divisors, whose sum is 20526004
The reverse of 19985809 is 90858991
Previous prime number is 37

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4

Name

Name	nineteen million nine hundred eighty-five thousand eight hundred nine

Notation

Scientific notation	1.9985809 × 10^7
Engineering notation	1.9985809 × 10^6

Prime Factorization of 19985809

Prime Factorization 37 × 540157

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	19985809	Product of the distinct prime numbers

The prime factorization of 19985809 is 37 × 540157. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 7, 75, 69, 251, 435, 7624, 8097, 65189, 22009, 77365, 218625, 8847776, 5472685, 91308735, 5321542, 211157132, 873072728, 509130218, 680998545

Basic calculations (n = 19985809)

Multiplication

n×y

n×2	39971618
n×3	59957427
n×4	79943236
n×5	99929045

Division

n÷y

n÷2	9992904.5
n÷3	6661936.3333333
n÷3	4996452.25
n÷5	3997161.8

Exponentiation

n^y

n²	399432561384481
n³	7.982982880211E+21
n⁴	1.5954637109417E+29
n⁵	3.1886632993311E+36

Nth Root

^y√n

²√n	4470.5490714229
³√n	271.37754596835
⁴√n	66.86216472283
⁵√n	28.849902284627

Divisors of 19985809

1, 37, 540157, 19985809

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	-19985808	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 19985809 can be divided by 4 positive divisors. The sum of these divisors (counting 19985809) is 1, the average is 0.25.

Base conversion 19985809

Base	System	Value
2	Binary	1001100001111010110010001
3	Ternary	1101121101101011
4	Quaternary	1030033112101
5	Quinary	20104021214
6	Senary	1552210521
8	Octal	114172621
10	Decimal	19985809
12	Duodecimal	6839a41
16	Hexadecimal	130f591
20	Vigesimal	64i4a9
36	Base36	bwd5d

Cryptographic Hash Functions

md5	d469b022a73f188d6cb288ed28976c97
sha1	cc8521c9fccc44424a33883aa537572f291f3e3f
sha256	eb612254bcbc08f706a39b7b6fb9224eb05106b3710192236e7acd813b6a21e0
sha512	dcd83cb6e7c4e05081d76c501098a174ad1b6629a23785a2449da8cec88dfd24231662fc07a1e533e88219bc6dbd92a2732c9e3cd8106b5c3067235b8c768ba8
ripemd-160	1461b4b260900459b8896f7bd02ce0afaa789f7e

19985809 as geometric shapes

Circle

Radius = n

Diameter	39971618
Circumference	125574541.4609
Area	1.25485440045E+15

Sphere

Radius = n

Volume	3.3439040493605E+22
Surface area	5.0194176018002E+15
Circumference	125574541.4609

Square

Length = n

Perimeter	79943236
Area	399432561384481
Diagonal	28264202.142798

Cube

Length = n

Surface area	2396595368306886
Volume	7.982982880211E+21
Space diagonal	34616436.618367

Equilateral Triangle

Length = n

Perimeter	59957427
Area	1.7295937262882E+14
Altitude	17308218.309184

Triangular Pyramid

Length = n

Surface area	1.7295937262882E+14
Volume	9.4080355478222E+20
Height	9421400.7142661