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

20821609 (number)

20821609 is an odd 8-digits prime number following 20821608 and preceding 20821610. In scientific notation, it is written as 2.0821609 × 10^7. The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors. There are 20821608 positive integers (up to 20821609) that are relatively prime to 20821609.

Interesting facts

20821609 has 2 divisors, whose sum is 20821610
The reverse of 20821609 is 90612802
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

Name	twenty million eight hundred twenty-one thousand six hundred nine

Notation

Scientific notation	2.0821609 × 10^7
Engineering notation	2.0821609 × 10^6

Prime Factorization of 20821609

Prime Factorization 20821609

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	20821609	Product of the distinct prime numbers

The prime factorization of 20821609 is 20821609. Since it has a total of 1 prime factors.

Most popular turbo-numbers

8, 8, 84, 37, 529, 538, 7471, 9554, 77480, 59285, 374564, 981601, 9228670, 4622298, 25335982, 90392953, 472707448, 920355874, 5573573855, 3350519989

Basic calculations (n = 20821609)

Multiplication

n×y

n×2	41643218
n×3	62464827
n×4	83286436
n×5	104108045

Division

n÷y

n÷2	10410804.5
n÷3	6940536.3333333
n÷3	5205402.25
n÷5	4164321.8

Exponentiation

n^y

n²	433539401348881
n³	9.0269879009805E+21
n⁴	1.8795641252195E+29
n⁵	3.9135549305747E+36

Nth Root

^y√n

²√n	4563.070128762
³√n	275.10897719441
⁴√n	67.550500581136
⁵√n	29.087262975556

Divisors of 20821609

1, 20821609

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	20821610	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10410805	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4563.0702383373	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999039459	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20821609 can be divided by 2 positive divisors. The sum of these divisors (counting 20821609) is 20821610, the average is 10410805.

Base conversion 20821609

Base	System	Value
2	Binary	1001111011011011001101001
3	Ternary	1110011211212201
4	Quaternary	1033123121221
5	Quinary	20312242414
6	Senary	2022140201
8	Octal	117333151
10	Decimal	20821609
12	Duodecimal	6b81661
16	Hexadecimal	13db669
20	Vigesimal	6a2e09
36	Base36	cea21

Cryptographic Hash Functions

md5	1773062abcf9d9c6ec39f437a947b6d1
sha1	c3e4fb33b8ad83928b67151a89d65f1b48a4d581
sha256	6dfa64e4c76bf14a429bb7c70e363afac3a8529e7442737401a83f017cfda074
sha512	cef624653240c8df145f6964e3082c5fbbd30150201cee35e4c03588b6dd80784d9a7216bc5486265091194f68ee0182a3be59befd2213a84eee9567c2fbbc51
ripemd-160	029877df0ec90927d6bfa8d6114f811089d3a236

20821609 as geometric shapes

Circle

Radius = n

Diameter	41643218
Circumference	130826027.74064
Area	1.3620041983194E+15

Sphere

Radius = n

Volume	3.7812158498352E+22
Surface area	5.4480167932774E+15
Circumference	130826027.74064

Square

Length = n

Perimeter	83286436
Area	433539401348881
Diagonal	29446201.83823

Cube

Length = n

Surface area	2601236408093286
Volume	9.0269879009805E+21
Space diagonal	36064084.683333

Equilateral Triangle

Length = n

Perimeter	62464827
Area	1.8772806755481E+14
Altitude	18032042.341667

Triangular Pyramid

Length = n

Surface area	1.8772806755481E+14
Volume	1.063840726412E+21
Height	9815400.6127432