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

20506985 (number)

20506985 is an odd 8-digits composite number following 20506984 and preceding 20506986. In scientific notation, it is written as 2.0506985 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 15542064 positive integers (up to 20506985) that are relatively prime to 20506985.

Interesting facts

20506985 has 8 divisors, whose sum is 25903680
The reverse of 20506985 is 58960502
Previous prime number is 19

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8

Name

Name	twenty million five hundred six thousand nine hundred eighty-five

Notation

Scientific notation	2.0506985 × 10^7
Engineering notation	2.0506985 × 10^6

Prime Factorization of 20506985

Prime Factorization 5 × 19 × 215863

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20506985	Product of the distinct prime numbers

The prime factorization of 20506985 is 5 × 19 × 215863. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 10, 22, 74, 137, 411, 6804, 1920, 85919, 72760, 573267, 773410, 3647648, 7813237, 67617656, 20070555, 179147484, 711532392, 1377809361, 8706400436

Basic calculations (n = 20506985)

Multiplication

n×y

n×2	41013970
n×3	61520955
n×4	82027940
n×5	102534925

Division

n÷y

n÷2	10253492.5
n÷3	6835661.6666667
n÷3	5126746.25
n÷5	4101397

Exponentiation

n^y

n²	420536433790225
n³	8.6239343396896E+21
n⁴	1.76850892145E+29
n⁵	3.6266785924541E+36

Nth Root

^y√n

²√n	4528.4638675825
³√n	273.71626461675
⁴√n	67.293862034977
⁵√n	28.998822437425

Divisors of 20506985

1, 5, 19, 95, 215863, 1079315, 4101397, 20506985

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20506984	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20506985 can be divided by 8 positive divisors. The sum of these divisors (counting 20506985) is 1, the average is 0.125.

Base conversion 20506985

Base	System	Value
2	Binary	1001110001110100101101001
3	Ternary	1102120212021222
4	Quaternary	1032032211221
5	Quinary	20222210420
6	Senary	2011311425
8	Octal	116164551
10	Decimal	20506985
12	Duodecimal	6a4b575
16	Hexadecimal	138e969
20	Vigesimal	683795
36	Base36	c7jah

Cryptographic Hash Functions

md5	574802180ea71ee308c21bc6efd75246
sha1	16b08b87e5516d6e878d151003f8aa14861ac945
sha256	884f4f5349c988973a43cfaeb7a26130d1db946facb0ba42acceb7965e7dcc05
sha512	bd4a4a811992802b0e8a44967c2085c9757c7234d5bd484abe141ff79a08a9a17a9eb82d306934e027fc2a6e4685d5b84025beb50f1e5338ebd7042115ade4c0
ripemd-160	6e21273522ca7dd23e9a1b4ea4b15ec93c6f67a3

20506985 as geometric shapes

Circle

Radius = n

Diameter	41013970
Circumference	128849186.84655
Area	1.3211541709622E+15

Sphere

Radius = n

Volume	3.6123851688813E+22
Surface area	5.2846166838489E+15
Circumference	128849186.84655

Square

Length = n

Perimeter	82027940
Area	420536433790225
Diagonal	29001256.310382

Cube

Length = n

Surface area	2523218602741350
Volume	8.6239343396896E+21
Space diagonal	35519139.930053

Equilateral Triangle

Length = n

Perimeter	61520955
Area	1.8209761743962E+14
Altitude	17759569.965026

Triangular Pyramid

Length = n

Surface area	1.8209761743962E+14
Volume	1.0163404086837E+21
Height	9667085.4367939