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

20705209 (number)

20705209 is an odd 8-digits composite number following 20705208 and preceding 20705210. In scientific notation, it is written as 2.0705209 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 17503776 positive integers (up to 20705209) that are relatively prime to 20705209.

Interesting facts

20705209 has 8 divisors, whose sum is 23987840
The reverse of 20705209 is 90250702
Previous prime number is 73

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	twenty million seven hundred five thousand two hundred nine

Notation

Scientific notation	2.0705209 × 10^7
Engineering notation	2.0705209 × 10^6

Prime Factorization of 20705209

Prime Factorization 7 × 73 × 40519

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20705209	Product of the distinct prime numbers

The prime factorization of 20705209 is 7 × 73 × 40519. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 1, 77, 20, 764, 689, 2313, 2988, 97564, 49308, 577210, 278781, 7976331, 641230, 99913210, 48272725, 725524119, 158413339, 6726765423, 578863409

Basic calculations (n = 20705209)

Multiplication

n×y

n×2	41410418
n×3	62115627
n×4	82820836
n×5	103526045

Division

n÷y

n÷2	10352604.5
n÷3	6901736.3333333
n÷3	5176302.25
n÷5	4141041.8

Exponentiation

n^y

n²	428705679733681
n³	8.8764406983729E+21
n⁴	1.8378855983592E+29
n⁵	3.8053805432117E+36

Nth Root

^y√n

²√n	4550.2976825698
³√n	274.59536745373
⁴√n	67.455894350085
⁵√n	29.054668434691

Divisors of 20705209

1, 7, 73, 511, 40519, 283633, 2957887, 20705209

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	-20705208	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 20705209 can be divided by 8 positive divisors. The sum of these divisors (counting 20705209) is 1, the average is 0.125.

Base conversion 20705209

Base	System	Value
2	Binary	1001110111110111110111001
3	Ternary	1102221221012121
4	Quaternary	1032332332321
5	Quinary	20300031314
6	Senary	2015441241
8	Octal	116767671
10	Decimal	20705209
12	Duodecimal	6b26221
16	Hexadecimal	13befb9
20	Vigesimal	698309
36	Base36	cbs8p

Cryptographic Hash Functions

md5	bdaca4225a356258f57c24353069cbfe
sha1	249612f49fc476ddaf2920576db21c6d3b08a908
sha256	0395e6e064e49965513740bbd10b22bfc5951a0635e8ff91aa22d17ee57bf89c
sha512	097c07a6b85b55ca3f47e9357db72f2db6a80d5f740ebba34b9576417b5d13e9de787000b7267c35b96750178567e33f8e47c0e870ccfb3deb8d015037bd5bf8
ripemd-160	176c4e2c16745c055b6ca737e3fb92fd4a4050ca

20705209 as geometric shapes

Circle

Radius = n

Diameter	41410418
Circumference	130094664.97088
Area	1.3468186140036E+15

Sphere

Radius = n

Volume	3.7181547850712E+22
Surface area	5.3872744560142E+15
Circumference	130094664.97088

Square

Length = n

Perimeter	82820836
Area	428705679733681
Diagonal	29281587.379569

Cube

Length = n

Surface area	2572234078402086
Volume	8.8764406983729E+21
Space diagonal	35862473.969332

Equilateral Triangle

Length = n

Perimeter	62115627
Area	1.8563500469802E+14
Altitude	17931236.984666

Triangular Pyramid

Length = n

Surface area	1.8563500469802E+14
Volume	1.0460985684366E+21
Height	9760529.1265232