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

20485721 (number)

20485721 is an odd 8-digits composite number following 20485720 and preceding 20485722. In scientific notation, it is written as 2.0485721 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 20274432 positive integers (up to 20485721) that are relatively prime to 20485721.

Interesting facts

20485721 has 4 divisors, whose sum is 20697012
The reverse of 20485721 is 12758402
Previous prime number is 97

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

Name	twenty million four hundred eighty-five thousand seven hundred twenty-one

Notation

Scientific notation	2.0485721 × 10^7
Engineering notation	2.0485721 × 10^6

Prime Factorization of 20485721

Prime Factorization 97 × 211193

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20485721	Product of the distinct prime numbers

The prime factorization of 20485721 is 97 × 211193. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 8, 39, 52, 549, 266, 3971, 4063, 99580, 6191, 641946, 362832, 5769649, 7876070, 79699673, 81002803, 505263875, 42902810, 9545857300, 7312906717

Basic calculations (n = 20485721)

Multiplication

n×y

n×2	40971442
n×3	61457163
n×4	81942884
n×5	102428605

Division

n÷y

n÷2	10242860.5
n÷3	6828573.6666667
n÷3	5121430.25
n÷5	4097144.2

Exponentiation

n^y

n²	419664764889841
n³	8.5971352870639E+21
n⁴	1.7611851489005E+29
n⁵	3.6079147589718E+36

Nth Root

^y√n

²√n	4526.1154426285
³√n	273.62162506621
⁴√n	67.276410744246
⁵√n	28.992806078832

Divisors of 20485721

1, 97, 211193, 20485721

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	-20485720	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 20485721 can be divided by 4 positive divisors. The sum of these divisors (counting 20485721) is 1, the average is 0.25.

Base conversion 20485721

Base	System	Value
2	Binary	1001110001001011001011001
3	Ternary	1102112210010102
4	Quaternary	1032021121121
5	Quinary	20221020341
6	Senary	2011025145
8	Octal	116113131
10	Decimal	20485721
12	Duodecimal	6a3b1b5
16	Hexadecimal	1389659
20	Vigesimal	680e61
36	Base36	c72vt

Cryptographic Hash Functions

md5	b4ffc5c114f73ebe21850f912a474562
sha1	9011b7961c1ebf547ffbd528b942efdfaf396e92
sha256	3e727211609260c9ffa600d043ee50226d00ca68918cb316f14fb2e66b676b39
sha512	603ba2830632652c563eefe30a4373ccd2953c3d4103afca6b6f0155ecb8dee9576882969655f46bf1a7dccb9161ee9cabcd31726a417641135c7e77d97c1166
ripemd-160	3b7f103f2c856583a2aa08f4d12683345f906faf

20485721 as geometric shapes

Circle

Radius = n

Diameter	40971442
Circumference	128715581.19418
Area	1.3184157423484E+15

Sphere

Radius = n

Volume	3.6011596079677E+22
Surface area	5.2736629693936E+15
Circumference	128715581.19418

Square

Length = n

Perimeter	81942884
Area	419664764889841
Diagonal	28971184.473191

Cube

Length = n

Surface area	2517988589339046
Volume	8.5971352870639E+21
Space diagonal	35482309.601681

Equilateral Triangle

Length = n

Perimeter	61457163
Area	1.8172017373391E+14
Altitude	17741154.80084

Triangular Pyramid

Length = n

Surface area	1.8172017373391E+14
Volume	1.0131821100435E+21
Height	9657061.4910638