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

20688021 (number)

20688021 is an odd 8-digits composite number following 20688020 and preceding 20688022. In scientific notation, it is written as 2.0688021 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 13791996 positive integers (up to 20688021) that are relatively prime to 20688021.

Interesting facts

20688021 has 8 divisors, whose sum is 30648960
The reverse of 20688021 is 12088602
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9

Name

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

Notation

Scientific notation	2.0688021 × 10^7
Engineering notation	2.0688021 × 10^6

Prime Factorization of 20688021

Prime Factorization 9 × 3 × 766223

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20688021	Product of the distinct prime numbers

The prime factorization of 20688021 is 9 × 3 × 766223. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 9, 18, 80, 2, 729, 463, 5005, 13741, 62550, 969587, 79008, 651017, 4828499, 27214307, 99964980, 912690560, 385644885, 4183947913, 1002982865

Basic calculations (n = 20688021)

Multiplication

n×y

n×2	41376042
n×3	62064063
n×4	82752084
n×5	103440105

Division

n÷y

n÷2	10344010.5
n÷3	6896007
n÷3	5172005.25
n÷5	4137604.2

Exponentiation

n^y

n²	427994212896441
n³	8.85435326428E+21
n⁴	1.8317904627284E+29
n⁵	3.7896119560526E+36

Nth Root

^y√n

²√n	4548.4086228042
³√n	274.51936320156
⁴√n	67.441890711962
⁵√n	29.049843006002

Divisors of 20688021

1, 3, 9, 27, 766223, 2298669, 6896007, 20688021

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	-20688020	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 20688021 can be divided by 8 positive divisors. The sum of these divisors (counting 20688021) is 1, the average is 0.125.

Base conversion 20688021

Base	System	Value
2	Binary	1001110111010110010010101
3	Ternary	1102221001122000
4	Quaternary	1032322302111
5	Quinary	20244004041
6	Senary	2015225513
8	Octal	116726225
10	Decimal	20688021
12	Duodecimal	6b18299
16	Hexadecimal	13bac95
20	Vigesimal	696011
36	Base36	cbez9

Cryptographic Hash Functions

md5	25304c867aa8ab6540bc5820ef29777a
sha1	fcae7c6b6260ea1e97d5e79abd5e4230f530ef0b
sha256	369dc5167b58752c9fe1d838599aeae6171d1ff17a84f826109fa082cb9c1ddb
sha512	1d60b28bc1bae84b7917add1608ee32c626fef95c5d6aa24f3720c47d0042fd62bc17885d49f407734b02772f66bd4b3ac1d930734cfacf27ff06854dd01a94c
ripemd-160	810bde4048558d50cb70dd371b4d1361cb57feb3

20688021 as geometric shapes

Circle

Radius = n

Diameter	41376042
Circumference	129986669.58182
Area	1.3445834750144E+15

Sphere

Radius = n

Volume	3.7089028223135E+22
Surface area	5.3783339000576E+15
Circumference	129986669.58182

Square

Length = n

Perimeter	82752084
Area	427994212896441
Diagonal	29257279.876859

Cube

Length = n

Surface area	2567965277378646
Volume	8.85435326428E+21
Space diagonal	35832703.480052

Equilateral Triangle

Length = n

Perimeter	62064063
Area	1.8532693052052E+14
Altitude	17916351.740026

Triangular Pyramid

Length = n

Surface area	1.8532693052052E+14
Volume	1.0434955393656E+21
Height	9752426.6256198