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

20081009 (number)

20081009 is an odd 8-digits composite number following 20081008 and preceding 20081010. In scientific notation, it is written as 2.0081009 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 18536304 positive integers (up to 20081009) that are relatively prime to 20081009.

Interesting facts

20081009 has 4 divisors, whose sum is 21625716
The reverse of 20081009 is 90018002
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2

Name

Name	twenty million eighty-one thousand nine

Notation

Scientific notation	2.0081009 × 10^7
Engineering notation	2.0081009 × 10^6

Prime Factorization of 20081009

Prime Factorization 13 × 1544693

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20081009	Product of the distinct prime numbers

The prime factorization of 20081009 is 13 × 1544693. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 7, 36, 59, 154, 979, 7264, 4110, 93660, 95471, 858648, 64293, 1855429, 5194812, 70289775, 7787288, 50339519, 43303845, 9052210208, 6972158158

Basic calculations (n = 20081009)

Multiplication

n×y

n×2	40162018
n×3	60243027
n×4	80324036
n×5	100405045

Division

n÷y

n÷2	10040504.5
n÷3	6693669.6666667
n÷3	5020252.25
n÷5	4016201.8

Exponentiation

n^y

n²	403246922458081
n³	8.097605079103E+21
n⁴	1.6260808047191E+29
n⁵	3.2653343274292E+36

Nth Root

^y√n

²√n	4481.1838837521
³√n	271.8077550519
⁴√n	66.941645361853
⁵√n	28.877334674625

Divisors of 20081009

1, 13, 1544693, 20081009

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	-20081008	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 20081009 can be divided by 4 positive divisors. The sum of these divisors (counting 20081009) is 1, the average is 0.25.

Base conversion 20081009

Base	System	Value
2	Binary	1001100100110100101110001
3	Ternary	1101210012222002
4	Quaternary	1030212211301
5	Quinary	20120043014
6	Senary	1554223345
8	Octal	114464561
10	Decimal	20081009
12	Duodecimal	6884b55
16	Hexadecimal	1326971
20	Vigesimal	65a2a9
36	Base36	byelt

Cryptographic Hash Functions

md5	b60669482660b759b585109ba571b982
sha1	0388ee5f7e2190302deb0f7f2b6f3a7e2236f567
sha256	7c9302cacdad78cde172f84fb09286082ee7109aa4b88f542f12e3a4a605dcf1
sha512	d5ba08585033f40c8ef9d49c8ac1908b58f9b2e3716a7c70bfac29856ec8eb3a4bd640907c82842299e34a292e5a7a0aeeb803b065e26b77a7dc8c584a426b8f
ripemd-160	24fc510d6fae49a669566f0651f2560335aed556

20081009 as geometric shapes

Circle

Radius = n

Diameter	40162018
Circumference	126172700.70214
Area	1.266837569177E+15

Sphere

Radius = n

Volume	3.3919168837575E+22
Surface area	5.067350276708E+15
Circumference	126172700.70214

Square

Length = n

Perimeter	80324036
Area	403246922458081
Diagonal	28398835.273936

Cube

Length = n

Surface area	2419481534748486
Volume	8.097605079103E+21
Space diagonal	34781327.855248

Equilateral Triangle

Length = n

Perimeter	60243027
Area	1.746110394233E+14
Altitude	17390663.927624

Triangular Pyramid

Length = n

Surface area	1.746110394233E+14
Volume	9.543119104674E+20
Height	9466278.4246454