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

20209905 (number)

20209905 is an odd 8-digits composite number following 20209904 and preceding 20209906. In scientific notation, it is written as 2.0209905 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 10671264 positive integers (up to 20209905) that are relatively prime to 20209905.

Interesting facts

20209905 has 8 divisors, whose sum is 20462400
The reverse of 20209905 is 50990202
Previous prime number is 359

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9

Name

Name	twenty million two hundred nine thousand nine hundred five

Notation

Scientific notation	2.0209905 × 10^7
Engineering notation	2.0209905 × 10^6

Prime Factorization of 20209905

Prime Factorization 405 × 359 × 139

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20209905	Product of the distinct prime numbers

The prime factorization of 20209905 is 405 × 359 × 139. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 2, 52, 47, 676, 892, 9806, 2905, 79321, 87312, 727173, 416944, 5796111, 1185304, 55551552, 46014209, 708252867, 17440701, 2375805443, 3453327612

Basic calculations (n = 20209905)

Multiplication

n×y

n×2	40419810
n×3	60629715
n×4	80839620
n×5	101049525

Division

n÷y

n÷2	10104952.5
n÷3	6736635
n÷3	5052476.25
n÷5	4041981

Exponentiation

n^y

n²	408440260109025
n³	8.2545388549787E+21
n⁴	1.6682344607793E+29
n⁵	3.3714859970075E+36

Nth Root

^y√n

²√n	4495.5427925891
³√n	272.38807512469
⁴√n	67.048809031847
⁵√n	28.91431143029

Divisors of 20209905

1, 139, 359, 405, 49901, 56295, 145395, 20209905

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	-20209904	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 20209905 can be divided by 8 positive divisors. The sum of these divisors (counting 20209905) is 1, the average is 0.125.

Base conversion 20209905

Base	System	Value
2	Binary	1001101000110000011110001
3	Ternary	1102000202210000
4	Quaternary	1031012003301
5	Quinary	20133204110
6	Senary	2001100213
8	Octal	115060361
10	Decimal	20209905
12	Duodecimal	6927669
16	Hexadecimal	13460f1
20	Vigesimal	6664f5
36	Base36	c1629

Cryptographic Hash Functions

md5	a044e4437022ccb17af4cc8643718faf
sha1	d16f632bc6ce74faf38251182b9f0c0afbbf8f47
sha256	934c18200a74d1530a02b9ca9a8cc1e1b4eb9bd3376423212c90d5e7a06eceba
sha512	8b38d891ab7184912ce087925191b0b4d8349c870769542386ed40571148df1a29780c0c21267a3d29ee41001494dbc0bad1dce263740b3ce308eaf24ad63696
ripemd-160	43c20cb89fe5d439797a141d9109b921694c786e

20209905 as geometric shapes

Circle

Radius = n

Diameter	40419810
Circumference	126982578.1555
Area	1.2831529205888E+15

Sphere

Radius = n

Volume	3.4576531500763E+22
Surface area	5.1326116823553E+15
Circumference	126982578.1555

Square

Length = n

Perimeter	80839620
Area	408440260109025
Diagonal	28581121.745272

Cube

Length = n

Surface area	2450641560654150
Volume	8.2545388549787E+21
Space diagonal	35004582.27614

Equilateral Triangle

Length = n

Perimeter	60629715
Area	1.7685982059137E+14
Altitude	17502291.13807

Triangular Pyramid

Length = n

Surface area	1.7685982059137E+14
Volume	9.7280673332054E+20
Height	9527040.5817573