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

20209721 (number)

20209721 is an odd 8-digits composite number following 20209720 and preceding 20209722. In scientific notation, it is written as 2.0209721 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 17246880 positive integers (up to 20209721) that are relatively prime to 20209721.

Interesting facts

20209721 has 8 divisors, whose sum is 23197824
The reverse of 20209721 is 12790202
Previous prime number is 233

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5

Name

Name	twenty million two hundred nine thousand seven hundred twenty-one

Notation

Scientific notation	2.0209721 × 10^7
Engineering notation	2.0209721 × 10^6

Prime Factorization of 20209721

Prime Factorization 7 × 233 × 12391

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20209721	Product of the distinct prime numbers

The prime factorization of 20209721 is 7 × 233 × 12391. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 4, 20, 21, 446, 286, 3089, 4042, 12416, 36098, 390455, 9708, 8323285, 1460860, 31560263, 88574370, 255228635, 728034569, 6941962275, 3431714902

Basic calculations (n = 20209721)

Multiplication

n×y

n×2	40419442
n×3	60629163
n×4	80838884
n×5	101048605

Division

n÷y

n÷2	10104860.5
n÷3	6736573.6666667
n÷3	5052430.25
n÷5	4041944.2

Exponentiation

n^y

n²	408432822897841
n³	8.2543133980078E+21
n⁴	1.668173708203E+29
n⁵	3.3713325222318E+36

Nth Root

^y√n

²√n	4495.522327828
³√n	272.38724847463
⁴√n	67.048656420752
⁵√n	28.914258780338

Divisors of 20209721

1, 7, 233, 1631, 12391, 86737, 2887103, 20209721

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	-20209720	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 20209721 can be divided by 8 positive divisors. The sum of these divisors (counting 20209721) is 1, the average is 0.125.

Base conversion 20209721

Base	System	Value
2	Binary	1001101000110000000111001
3	Ternary	1102000202112012
4	Quaternary	1031012000321
5	Quinary	20133202341
6	Senary	2001055305
8	Octal	115060071
10	Decimal	20209721
12	Duodecimal	6927535
16	Hexadecimal	1346039
20	Vigesimal	666461
36	Base36	c15x5

Cryptographic Hash Functions

md5	3d45dafdb7deff2bfb618c7aea356ce9
sha1	d9d6483124d3fa468c02b3670a9ca8b8bd277f47
sha256	59dab474d005d2c35884ca97e49cb25e26e638525748344863ccdcf6a7aa13e8
sha512	882a52eb6acfcb5c7755a94f4661aabd9341548b4407292e39848661f4f5a37cdfe6f23614f75ba1d04a519bc628f954afc46484b5d62f9fb077c7e6eccfbaa8
ripemd-160	9681b33f8c796c176f0ff6bbb1aafde2abfad5c0

20209721 as geometric shapes

Circle

Radius = n

Diameter	40419442
Circumference	126981422.0494
Area	1.2831295559008E+15

Sphere

Radius = n

Volume	3.4575587108812E+22
Surface area	5.1325182236032E+15
Circumference	126981422.0494

Square

Length = n

Perimeter	80838884
Area	408432822897841
Diagonal	28580861.529976

Cube

Length = n

Surface area	2450596937387046
Volume	8.2543133980078E+21
Space diagonal	35004263.578792

Equilateral Triangle

Length = n

Perimeter	60629163
Area	1.7685660018446E+14
Altitude	17502131.789396

Triangular Pyramid

Length = n

Surface area	1.7685660018446E+14
Volume	9.7278016296171E+20
Height	9526953.8433255