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

20688538 (number)

20688538 is an even 8-digits composite number following 20688537 and preceding 20688539. In scientific notation, it is written as 2.0688538 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 9548544 positive integers (up to 20688538) that are relatively prime to 20688538.

Interesting facts

20688538 has 8 divisors, whose sum is 33419988
The reverse of 20688538 is 83588602
Previous prime number is 13

Basic properties

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

Name

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

Notation

Scientific notation	2.0688538 × 10^7
Engineering notation	2.0688538 × 10^6

Prime Factorization of 20688538

Prime Factorization 2 × 13 × 795713

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20688538	Product of the distinct prime numbers

The prime factorization of 20688538 is 2 × 13 × 795713. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 5, 92, 91, 875, 32, 3049, 4438, 82773, 10804, 836095, 405042, 6128160, 4046201, 32523914, 56985606, 603504726, 474206096, 828730199, 8209692248

Basic calculations (n = 20688538)

Multiplication

n×y

n×2	41377076
n×3	62065614
n×4	82754152
n×5	103442690

Division

n÷y

n÷2	10344269
n÷3	6896179.3333333
n÷3	5172134.5
n÷5	4137707.6

Exponentiation

n^y

n²	428015604577444
n³	8.8550170998934E+21
n⁴	1.8319735776179E+29
n⁵	3.7900854975545E+36

Nth Root

^y√n

²√n	4548.4654555135
³√n	274.52164995692
⁴√n	67.442312056405
⁵√n	29.049988197451

Divisors of 20688538

1, 2, 13, 26, 795713, 1591426, 10344269, 20688538

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	-20688537	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 20688538 can be divided by 8 positive divisors. The sum of these divisors (counting 20688538) is 1, the average is 0.125.

Base conversion 20688538

Base	System	Value
2	Binary	1001110111010111010011010
3	Ternary	1102221002100011
4	Quaternary	1032322322122
5	Quinary	20244013123
6	Senary	2015232134
8	Octal	116727232
10	Decimal	20688538
12	Duodecimal	6b1864a
16	Hexadecimal	13bae9a
20	Vigesimal	69616i
36	Base36	cbfdm

Cryptographic Hash Functions

md5	390f5bfc16548452954f4acd3c4b3edb
sha1	87c10caf78619820f2c9c7b5bc28117df07959c4
sha256	a94735aa2bfb1586248ce2b33619049bc1c7720e28ed20d009cd495350e59f5f
sha512	b2623e15a9925a82230eeb615ba4a3c91afb278d79be97cc12f18693b0c3aef9cde1f7962ebf991609174fd7e000a84dc20290a982ff50a7155c9c7f59c0982d
ripemd-160	96a4acb33288eca4d19d8ff3c29b43b5ceae4de4

20688538 as geometric shapes

Circle

Radius = n

Diameter	41377076
Circumference	129989917.98863
Area	1.3446506789623E+15

Sphere

Radius = n

Volume	3.709180889125E+22
Surface area	5.3786027158492E+15
Circumference	129989917.98863

Square

Length = n

Perimeter	82754152
Area	428015604577444
Diagonal	29258011.025271

Cube

Length = n

Surface area	2568093627464664
Volume	8.8550170998934E+21
Space diagonal	35833598.950319

Equilateral Triangle

Length = n

Perimeter	62065614
Area	1.8533619339011E+14
Altitude	17916799.47516

Triangular Pyramid

Length = n

Surface area	1.8533619339011E+14
Volume	1.0435737731429E+21
Height	9752670.341757