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

20091721 (number)

20091721 is an odd 8-digits composite number following 20091720 and preceding 20091722. In scientific notation, it is written as 2.0091721 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 17569872 positive integers (up to 20091721) that are relatively prime to 20091721.

Interesting facts

20091721 has 4 divisors, whose sum is 20173312
The reverse of 20091721 is 12719002
Previous prime number is 247

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4

Name

Name	twenty million ninety-one thousand seven hundred twenty-one

Notation

Scientific notation	2.0091721 × 10^7
Engineering notation	2.0091721 × 10^6

Prime Factorization of 20091721

Prime Factorization 247 × 81343

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20091721	Product of the distinct prime numbers

The prime factorization of 20091721 is 247 × 81343. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 5, 53, 63, 443, 639, 1723, 7845, 51329, 55372, 42832, 752425, 7983143, 9045107, 140449, 39799312, 530762308, 455071533, 8806255968, 3317196810

Basic calculations (n = 20091721)

Multiplication

n×y

n×2	40183442
n×3	60275163
n×4	80366884
n×5	100458605

Division

n÷y

n÷2	10045860.5
n÷3	6697240.3333333
n÷3	5022930.25
n÷5	4018344.2

Exponentiation

n^y

n²	403677252741841
n³	8.1105707361356E+21
n⁴	1.629553243812E+29
n⁵	3.2740529129316E+36

Nth Root

^y√n

²√n	4482.3789442661
³√n	271.85607744287
⁴√n	66.950570903213
⁵√n	28.88041487867

Divisors of 20091721

1, 247, 81343, 20091721

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	-20091720	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 20091721 can be divided by 4 positive divisors. The sum of these divisors (counting 20091721) is 1, the average is 0.25.

Base conversion 20091721

Base	System	Value
2	Binary	1001100101001001101001001
3	Ternary	1101210202122211
4	Quaternary	1030221031021
5	Quinary	20120413341
6	Senary	1554345121
8	Octal	114511511
10	Decimal	20091721
12	Duodecimal	688b1a1
16	Hexadecimal	1329349
20	Vigesimal	65b961
36	Base36	bymvd

Cryptographic Hash Functions

md5	cdbe415367856b86c011952f9cebd64c
sha1	9608d19882a191d49694709d0a20fb990cc9f3d5
sha256	5e2aa352d567cdef16d5c09b8296bcb7d7156dbebdf26b6399104fb6f61e79b7
sha512	faa045de1739f9e6e9ae8c529319741ab27d319463ee5e8d9c576eaf55acf6f0c06378e000e79937765567138bbfd83492ce3bebe9594899d00210b73d909a72
ripemd-160	56e62e85cc1ceab244fb106ea2182acabd1455fb

20091721 as geometric shapes

Circle

Radius = n

Diameter	40183442
Circumference	126240006.18315
Area	1.2681894916351E+15

Sphere

Radius = n

Volume	3.3973479254752E+22
Surface area	5.0727579665403E+15
Circumference	126240006.18315

Square

Length = n

Perimeter	80366884
Area	403677252741841
Diagonal	28413984.329616

Cube

Length = n

Surface area	2422063516451046
Volume	8.1105707361356E+21
Space diagonal	34799881.583499

Equilateral Triangle

Length = n

Perimeter	60275163
Area	1.7479737790217E+14
Altitude	17399940.791749

Triangular Pyramid

Length = n

Surface area	1.7479737790217E+14
Volume	9.5583992780244E+20
Height	9471328.1098721