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

20805009 (number)

20805009 is an odd 8-digits composite number following 20805008 and preceding 20805010. In scientific notation, it is written as 2.0805009 × 10^7. The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors. There are 13870004 positive integers (up to 20805009) that are relatively prime to 20805009.

Interesting facts

20805009 has 4 divisors, whose sum is 27740016
The reverse of 20805009 is 90050802
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6

Name

Name	twenty million eight hundred five thousand nine

Notation

Scientific notation	2.0805009 × 10^7
Engineering notation	2.0805009 × 10^6

Prime Factorization of 20805009

Prime Factorization 3 × 6935003

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20805009	Product of the distinct prime numbers

The prime factorization of 20805009 is 3 × 6935003. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 7, 71, 41, 487, 967, 4461, 4597, 39658, 12861, 818197, 176092, 5632152, 4820825, 72715933, 54022722, 493321855, 919765533, 6825544686, 8123046425

Basic calculations (n = 20805009)

Multiplication

n×y

n×2	41610018
n×3	62415027
n×4	83220036
n×5	104025045

Division

n÷y

n÷2	10402504.5
n÷3	6935003
n÷3	5201252.25
n÷5	4161001.8

Exponentiation

n^y

n²	432848399490081
n³	9.0054148470267E+21
n⁴	1.8735773694112E+29
n⁵	3.8979794032797E+36

Nth Root

^y√n

²√n	4561.2508152918
³√n	275.03584766847
⁴√n	67.537032917443
⁵√n	29.082623539485

Divisors of 20805009

1, 3, 6935003, 20805009

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	-20805008	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 20805009 can be divided by 4 positive divisors. The sum of these divisors (counting 20805009) is 1, the average is 0.25.

Base conversion 20805009

Base	System	Value
2	Binary	1001111010111010110010001
3	Ternary	1110011000002220
4	Quaternary	1033113112101
5	Quinary	20311230014
6	Senary	2021531253
8	Octal	117272621
10	Decimal	20805009
12	Duodecimal	6b73b29
16	Hexadecimal	13d7591
20	Vigesimal	6a0ca9
36	Base36	cdx8x

Cryptographic Hash Functions

md5	7ae606d530a7ac21f0492c4e32061714
sha1	d280e62ed8af4edbeed4b269ac32e642ae2b1383
sha256	1ebcd0c027d3c84191d486abd8ef79f876d078f18a22ae11a899a292cb178858
sha512	c35f54424cdde9ff8da17a84a4e4b65adce9e83e165f61130445fe159fcbc4f80db379351176b6d54181ff2de1c51948b0105990be740228c290d48a9432fa2b
ripemd-160	5fee45338b09bebe6798334221e482fa1b7b634d

20805009 as geometric shapes

Circle

Radius = n

Diameter	41610018
Circumference	130721726.86454
Area	1.3598333519561E+15

Sphere

Radius = n

Volume	3.7721793501263E+22
Surface area	5.4393334078246E+15
Circumference	130721726.86454

Square

Length = n

Perimeter	83220036
Area	432848399490081
Diagonal	29422725.893094

Cube

Length = n

Surface area	2597090396940486
Volume	9.0054148470267E+21
Space diagonal	36035332.639928

Equilateral Triangle

Length = n

Perimeter	62415027
Area	1.8742885497292E+14
Altitude	18017666.319964

Triangular Pyramid

Length = n

Surface area	1.8742885497292E+14
Volume	1.0612983176218E+21
Height	9807575.2976981