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

20821485 (number)

20821485 is an odd 8-digits composite number following 20821484 and preceding 20821486. In scientific notation, it is written as 2.0821485 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 11085888 positive integers (up to 20821485) that are relatively prime to 20821485.

Interesting facts

20821485 has 8 divisors, whose sum is 22247424
The reverse of 20821485 is 58412802
Previous prime number is 1087

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

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

Notation

Scientific notation	2.0821485 × 10^7
Engineering notation	2.0821485 × 10^6

Prime Factorization of 20821485

Prime Factorization 15 × 1087 × 1277

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20821485	Product of the distinct prime numbers

The prime factorization of 20821485 is 15 × 1087 × 1277. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 10, 6, 14, 13, 167, 5943, 3887, 92248, 1410, 541541, 838411, 1450105, 8702421, 94946998, 8472799, 795270241, 410000038, 3404378526, 4700623814

Basic calculations (n = 20821485)

Multiplication

n×y

n×2	41642970
n×3	62464455
n×4	83285940
n×5	104107425

Division

n÷y

n÷2	10410742.5
n÷3	6940495
n÷3	5205371.25
n÷5	4164297

Exponentiation

n^y

n²	433534237605225
n³	9.0268266252836E+21
n⁴	1.8795193517594E+29
n⁵	3.9134383989869E+36

Nth Root

^y√n

²√n	4563.0565413985
³√n	275.10843106977
⁴√n	67.550400009168
⁵√n	29.087228330499

Divisors of 20821485

1, 15, 1087, 1277, 16305, 19155, 1388099, 20821485

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	-20821484	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 20821485 can be divided by 8 positive divisors. The sum of these divisors (counting 20821485) is 1, the average is 0.125.

Base conversion 20821485

Base	System	Value
2	Binary	1001111011011010111101101
3	Ternary	1110011211201010
4	Quaternary	1033123113231
5	Quinary	20312241420
6	Senary	2022135433
8	Octal	117332755
10	Decimal	20821485
12	Duodecimal	6b81579
16	Hexadecimal	13db5ed
20	Vigesimal	6a2de5
36	Base36	ce9yl

Cryptographic Hash Functions

md5	8b465344ec848d6ed2715cf9428d2d14
sha1	6e086c91a687dee2fa2366bc1e41927f0a1e4505
sha256	0b5206c5b098415caa6337bbcc99612840071e1ebc77c2e3873cc69cb4a7bd64
sha512	c62e7f030c52832e486af4bdfa953d7f4c108a0a342a0532ad505616b4ed3ff67c0bba9a44d8b54de02dd07c08743cd88c28968a1cafa0378197b62d7c8c2005
ripemd-160	376d34cfec4dc9a172f1fe3aa0d1b98871e65412

20821485 as geometric shapes

Circle

Radius = n

Diameter	41642970
Circumference	130825248.62566
Area	1.3619879759402E+15

Sphere

Radius = n

Volume	3.7811482948293E+22
Surface area	5.4479519037609E+15
Circumference	130825248.62566

Square

Length = n

Perimeter	83285940
Area	433534237605225
Diagonal	29446026.475748

Cube

Length = n

Surface area	2601205425631350
Volume	9.0268266252836E+21
Space diagonal	36063869.909033

Equilateral Triangle

Length = n

Perimeter	62464455
Area	1.8772583158822E+14
Altitude	18031934.954517

Triangular Pyramid

Length = n

Surface area	1.8772583158822E+14
Volume	1.0638217198889E+21
Height	9815342.1585827