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

19989985 (number)

19989985 is an odd 8-digits composite number following 19989984 and preceding 19989986. In scientific notation, it is written as 1.9989985 × 10^7. The sum of its digits is 58. It has a total of 2 prime factors and 4 positive divisors. There are 15991984 positive integers (up to 19989985) that are relatively prime to 19989985.

Interesting facts

19989985 has 4 divisors, whose sum is 23987988
The reverse of 19989985 is 58998991
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 58
Digital Root 4

Name

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

Notation

Scientific notation	1.9989985 × 10^7
Engineering notation	1.9989985 × 10^6

Prime Factorization of 19989985

Prime Factorization 5 × 3997997

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	19989985	Product of the distinct prime numbers

The prime factorization of 19989985 is 5 × 3997997. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 5, 44, 14, 956, 251, 7633, 9232, 48045, 66699, 950101, 790542, 4572926, 536163, 76810895, 19013862, 571358303, 967170230, 2636413951, 1635463566

Basic calculations (n = 19989985)

Multiplication

n×y

n×2	39979970
n×3	59969955
n×4	79959940
n×5	99949925

Division

n÷y

n÷2	9994992.5
n÷3	6663328.3333333
n÷3	4997496.25
n÷5	3997997

Exponentiation

n^y

n²	399599500300225
n³	7.987988017009E+21
n⁴	1.5967976064019E+29
n⁵	3.191996020001E+36

Nth Root

^y√n

²√n	4471.0161037509
³√n	271.39644594065
⁴√n	66.865657132424
⁵√n	28.851107811246

Divisors of 19989985

1, 5, 3997997, 19989985

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	-19989984	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 19989985 can be divided by 4 positive divisors. The sum of these divisors (counting 19989985) is 1, the average is 0.25.

Base conversion 19989985

Base	System	Value
2	Binary	1001100010000010111100001
3	Ternary	1101121121002211
4	Quaternary	1030100113201
5	Quinary	20104134420
6	Senary	1552242121
8	Octal	114202741
10	Decimal	19989985
12	Duodecimal	6840341
16	Hexadecimal	13105e1
20	Vigesimal	64iej5
36	Base36	bwgdd

Cryptographic Hash Functions

md5	6f75e99311ebb05a38a572b3e9f532c6
sha1	dc606bbfca954379cacd83df06a7081cd6c05b46
sha256	3ac339c1e23764a7b5819394ac3802f1fc1789c5b5d10fbcfe179471f675e40c
sha512	27498dd2e2d4fdd1470d4eab7e971c9662ba186452cb59e510a5f707b159520575be1b6e4142f752317abb43f900cf2004654f438a3cabf9eeb381e97e3ae562
ripemd-160	e1d43cf0f625fa3a55e3f93b09719f6a8920c054

19989985 as geometric shapes

Circle

Radius = n

Diameter	39979970
Circumference	125600780.04274
Area	1.2553788545213E+15

Sphere

Radius = n

Volume	3.3460005961598E+22
Surface area	5.0215154180854E+15
Circumference	125600780.04274

Square

Length = n

Perimeter	79959940
Area	399599500300225
Diagonal	28270107.898635

Cube

Length = n

Surface area	2397597001801350
Volume	7.987988017009E+21
Space diagonal	34623669.66254

Equilateral Triangle

Length = n

Perimeter	59969955
Area	1.7303165929978E+14
Altitude	17311834.83127

Triangular Pyramid

Length = n

Surface area	1.7303165929978E+14
Volume	9.4139341581066E+20
Height	9423369.2995449