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

20390985 (number)

20390985 is an odd 8-digits composite number following 20390984 and preceding 20390986. In scientific notation, it is written as 2.0390985 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 10875168 positive integers (up to 20390985) that are relatively prime to 20390985.

Interesting facts

20390985 has 12 divisors, whose sum is 35344452
The reverse of 20390985 is 58909302
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9

Name

Name	twenty million three hundred ninety thousand nine hundred eighty-five

Notation

Scientific notation	2.0390985 × 10^7
Engineering notation	2.0390985 × 10^6

Prime Factorization of 20390985

Prime Factorization 5 × 3 × 3 × 453133

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	6796995	Product of the distinct prime numbers

The prime factorization of 20390985 is 5 × 3 × 3 × 453133. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 10, 11, 29, 498, 99, 6584, 3054, 78295, 92772, 735551, 36004, 6183023, 2966392, 83347641, 6189467, 467542483, 170534041, 4720070482, 6942858111

Basic calculations (n = 20390985)

Multiplication

n×y

n×2	40781970
n×3	61172955
n×4	81563940
n×5	101954925

Division

n÷y

n÷2	10195492.5
n÷3	6796995
n÷3	5097746.25
n÷5	4078197

Exponentiation

n^y

n²	415792269270225
n³	8.4784139258051E+21
n⁴	1.7288321118488E+29
n⁵	3.5252589660228E+36

Nth Root

^y√n

²√n	4515.6378287015
³√n	273.19918643784
⁴√n	67.198495732431
⁵√n	28.96594095278

Divisors of 20390985

1, 3, 5, 9, 15, 45, 453133, 1359399, 2265665, 4078197, 6796995, 20390985

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20390984	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20390985 can be divided by 12 positive divisors. The sum of these divisors (counting 20390985) is 1, the average is 0.083333333333333.

Base conversion 20390985

Base	System	Value
2	Binary	1001101110010010001001001
3	Ternary	1102100222011200
4	Quaternary	1031302101021
5	Quinary	20210002420
6	Senary	2005014413
8	Octal	115622111
10	Decimal	20390985
12	Duodecimal	69b4409
16	Hexadecimal	1372449
20	Vigesimal	678h95
36	Base36	c51s9

Cryptographic Hash Functions

md5	b3fc6e440bee94a8b76636c214f1c8b8
sha1	b93a3ef7a5f9b97bc2421950132dccd953848b81
sha256	31078ad7689e544fb3b4a132546c0ef229cfe368d42d76782aacc64c2e876f95
sha512	3531a54bba20017cb7bf09f8ad86f470755f4a7fcb9679a9cddb8aad43c25800a653ebbb7ccabc45fc7833d32d7da4d70f7a1cf271e76a64f994620c6ae6b681
ripemd-160	c5be3b3041bfe1576c92efa2fb1b50ad2045957c

20390985 as geometric shapes

Circle

Radius = n

Diameter	40781970
Circumference	128120337.35092
Area	1.3062499385588E+15

Sphere

Radius = n

Volume	3.5514297204537E+22
Surface area	5.2249997542351E+15
Circumference	128120337.35092

Square

Length = n

Perimeter	81563940
Area	415792269270225
Diagonal	28837207.537146

Cube

Length = n

Surface area	2494753615621350
Volume	8.4784139258051E+21
Space diagonal	35318222.036375

Equilateral Triangle

Length = n

Perimeter	61172955
Area	1.800433339426E+14
Altitude	17659111.018187

Triangular Pyramid

Length = n

Surface area	1.800433339426E+14
Volume	9.9919066344054E+20
Height	9612402.5123821