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

20688655 (number)

20688655 is an odd 8-digits composite number following 20688654 and preceding 20688656. In scientific notation, it is written as 2.0688655 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 15277728 positive integers (up to 20688655) that are relatively prime to 20688655.

Interesting facts

20688655 has 8 divisors, whose sum is 26736192
The reverse of 20688655 is 55688602
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4

Name

Name	twenty million six hundred eighty-eight thousand six hundred fifty-five

Notation

Scientific notation	2.0688655 × 10^7
Engineering notation	2.0688655 × 10^6

Prime Factorization of 20688655

Prime Factorization 5 × 13 × 318287

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20688655	Product of the distinct prime numbers

The prime factorization of 20688655 is 5 × 13 × 318287. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 9, 10, 45, 705, 370, 8720, 7056, 37759, 72402, 168538, 868764, 218961, 6280323, 43796999, 13951569, 76971629, 741676865, 1287383354, 6327668592

Basic calculations (n = 20688655)

Multiplication

n×y

n×2	41377310
n×3	62065965
n×4	82754620
n×5	103443275

Division

n÷y

n÷2	10344327.5
n÷3	6896218.3333333
n÷3	5172163.75
n÷5	4137731

Exponentiation

n^y

n²	428020445709025
n³	8.8551673342202E+21
n⁴	1.8320150194495E+29
n⁵	3.7901926692209E+36

Nth Root

^y√n

²√n	4548.4783169759
³√n	274.52216745719
⁴√n	67.44240740792
⁵√n	29.050021054688

Divisors of 20688655

1, 5, 13, 65, 318287, 1591435, 4137731, 20688655

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	-20688654	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 20688655 can be divided by 8 positive divisors. The sum of these divisors (counting 20688655) is 1, the average is 0.125.

Base conversion 20688655

Base	System	Value
2	Binary	1001110111010111100001111
3	Ternary	1102221002111111
4	Quaternary	1032322330033
5	Quinary	20244014110
6	Senary	2015232451
8	Octal	116727417
10	Decimal	20688655
12	Duodecimal	6b18727
16	Hexadecimal	13baf0f
20	Vigesimal	6961cf
36	Base36	cbfgv

Cryptographic Hash Functions

md5	74e452ad0f21731456c2cf338c01340b
sha1	024eaa7dba6a279849dc0c9d1ce03ed8c5f94d2b
sha256	abe887355405a33e54702507dc694d9e537990f1bbc697bc0f12e217316aa67e
sha512	fa5b099acec0c2382b378da710f4c61c94e1e656fe456651ea4efeb2de57a9a0967857876056314490b9c1551df309a1986c871dc656a6ce11da1ff9ff23663b
ripemd-160	1bfbaecac67af6bcd123e3276b454f99165f0734

20688655 as geometric shapes

Circle

Radius = n

Diameter	41377310
Circumference	129990653.12131
Area	1.3446658878257E+15

Sphere

Radius = n

Volume	3.7092438191326E+22
Surface area	5.3786635513028E+15
Circumference	129990653.12131

Square

Length = n

Perimeter	82754620
Area	428020445709025
Diagonal	29258176.488258

Cube

Length = n

Surface area	2568122674254150
Volume	8.8551673342202E+21
Space diagonal	35833801.600264

Equilateral Triangle

Length = n

Perimeter	62065965
Area	1.8533828966158E+14
Altitude	17916900.800132

Triangular Pyramid

Length = n

Surface area	1.8533828966158E+14
Volume	1.0435914784281E+21
Height	9752725.496086