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

20685621 (number)

20685621 is an odd 8-digits composite number following 20685620 and preceding 20685622. In scientific notation, it is written as 2.0685621 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 12536720 positive integers (up to 20685621) that are relatively prime to 20685621.

Interesting facts

20685621 has 4 divisors, whose sum is 21312492
The reverse of 20685621 is 12658602
Previous prime number is 33

Basic properties

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

Name

Name	twenty million six hundred eighty-five thousand six hundred twenty-one

Notation

Scientific notation	2.0685621 × 10^7
Engineering notation	2.0685621 × 10^6

Prime Factorization of 20685621

Prime Factorization 33 × 626837

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20685621	Product of the distinct prime numbers

The prime factorization of 20685621 is 33 × 626837. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 5, 89, 3, 784, 119, 8291, 2946, 60258, 41214, 721796, 390969, 7893851, 433181, 52726889, 38322393, 80007881, 785855978, 1809398232, 4044301399

Basic calculations (n = 20685621)

Multiplication

n×y

n×2	41371242
n×3	62056863
n×4	82742484
n×5	103428105

Division

n÷y

n÷2	10342810.5
n÷3	6895207
n÷3	5171405.25
n÷5	4137124.2

Exponentiation

n^y

n²	427894916155641
n³	8.8512720634224E+21
n⁴	1.8309405927184E+29
n⁵	3.7874143174489E+36

Nth Root

^y√n

²√n	4548.1447866135
³√n	274.50874720385
⁴√n	67.439934657542
⁵√n	29.049168965129

Divisors of 20685621

1, 33, 626837, 20685621

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	-20685620	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 20685621 can be divided by 4 positive divisors. The sum of these divisors (counting 20685621) is 1, the average is 0.25.

Base conversion 20685621

Base	System	Value
2	Binary	1001110111010001100110101
3	Ternary	1102220221100010
4	Quaternary	1032322030311
5	Quinary	20243414441
6	Senary	2015210433
8	Octal	116721465
10	Decimal	20685621
12	Duodecimal	6b16a19
16	Hexadecimal	13ba335
20	Vigesimal	695e11
36	Base36	cbd4l

Cryptographic Hash Functions

md5	329808b53ab4483b1f18a48ba0be6e0e
sha1	d7fbc80451f55d5a47f69520e0aa84024d26ca89
sha256	02b3248c80bcbafd8f0f677afea45296240783e4901de82f88f11b0d3d273db6
sha512	0aae4ad00b7878d9b9c36b3f9e25717b4ee24001423a8d10e0ca329dc94e047cc351bc8cae4726d7629a2604e3940d3790bc464746375115878d61106f2d9049
ripemd-160	518abccdf9710c21623b0364e6176392ecf3ea00

20685621 as geometric shapes

Circle

Radius = n

Diameter	41371242
Circumference	129971589.93709
Area	1.344271525103E+15

Sphere

Radius = n

Volume	3.7076121719163E+22
Surface area	5.3770861004119E+15
Circumference	129971589.93709

Square

Length = n

Perimeter	82742484
Area	427894916155641
Diagonal	29253885.76431

Cube

Length = n

Surface area	2567369496933846
Volume	8.8512720634224E+21
Space diagonal	35828546.558114

Equilateral Triangle

Length = n

Perimeter	62056863
Area	1.852839337705E+14
Altitude	17914273.279057

Triangular Pyramid

Length = n

Surface area	1.852839337705E+14
Volume	1.0431324163622E+21
Height	9751295.2547699