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

20809621 (number)

20809621 is an odd 8-digits composite number following 20809620 and preceding 20809622. In scientific notation, it is written as 2.0809621 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 17836812 positive integers (up to 20809621) that are relatively prime to 20809621.

Interesting facts

20809621 has 4 divisors, whose sum is 23782432
The reverse of 20809621 is 12690802
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

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

Notation

Scientific notation	2.0809621 × 10^7
Engineering notation	2.0809621 × 10^6

Prime Factorization of 20809621

Prime Factorization 7 × 2972803

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20809621	Product of the distinct prime numbers

The prime factorization of 20809621 is 7 × 2972803. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 8, 81, 20, 701, 835, 6906, 7851, 48384, 11740, 435820, 919663, 1281874, 4122770, 42879453, 58882200, 657732120, 544841658, 5965073715, 5558638681

Basic calculations (n = 20809621)

Multiplication

n×y

n×2	41619242
n×3	62428863
n×4	83238484
n×5	104048105

Division

n÷y

n÷2	10404810.5
n÷3	6936540.3333333
n÷3	5202405.25
n÷5	4161924.2

Exponentiation

n^y

n²	433040326163641
n³	9.0114050651818E+21
n⁴	1.8752392408391E+29
n⁵	3.902301788619E+36

Nth Root

^y√n

²√n	4561.7563503545
³√n	275.0561692428
⁴√n	67.540775464563
⁵√n	29.083912817159

Divisors of 20809621

1, 7, 2972803, 20809621

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	-20809620	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 20809621 can be divided by 4 positive divisors. The sum of these divisors (counting 20809621) is 1, the average is 0.25.

Base conversion 20809621

Base	System	Value
2	Binary	1001111011000011110010101
3	Ternary	1110011020102201
4	Quaternary	1033120132111
5	Quinary	20311401441
6	Senary	2022004501
8	Octal	117303625
10	Decimal	20809621
12	Duodecimal	6b76731
16	Hexadecimal	13d8795
20	Vigesimal	6a1411
36	Base36	ce0t1

Cryptographic Hash Functions

md5	5093b02ba30551840b090818c760e71e
sha1	e0bc14f61ba5559dd297ae54c1336d926bf436df
sha256	ba4b747b1a3c7e3b04f53ca9869aee7fbee65ad2356e843d74937330e349d407
sha512	73218dcf1dd7ea84674e68e2159f5c168664fea034b79bfc9e959eb315208da427a7eaab51d8f956bca08ce653bf88882ef5f9a26adf484771f167ceacba9ca3
ripemd-160	0a207a52dc2289993d8f216f896eaea488119f06

20809621 as geometric shapes

Circle

Radius = n

Diameter	41619242
Circumference	130750704.91518
Area	1.3604363073838E+15

Sphere

Radius = n

Volume	3.7746885268396E+22
Surface area	5.4417452295353E+15
Circumference	130750704.91518

Square

Length = n

Perimeter	83238484
Area	433040326163641
Diagonal	29429248.246044

Cube

Length = n

Surface area	2598241956981846
Volume	9.0114050651818E+21
Space diagonal	36043320.858252

Equilateral Triangle

Length = n

Perimeter	62428863
Area	1.8751196166041E+14
Altitude	18021660.429126

Triangular Pyramid

Length = n

Surface area	1.8751196166041E+14
Volume	1.0620042716015E+21
Height	9809749.415348