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

20388971 (number)

20388971 is an odd 8-digits composite number following 20388970 and preceding 20388972. In scientific notation, it is written as 2.0388971 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 18876000 positive integers (up to 20388971) that are relatively prime to 20388971.

Interesting facts

20388971 has 16 divisors, whose sum is 21973248
The reverse of 20388971 is 17988302
Previous prime number is 101

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	twenty million three hundred eighty-eight thousand nine hundred seventy-one

Notation

Scientific notation	2.0388971 × 10^7
Engineering notation	2.0388971 × 10^6

Prime Factorization of 20388971

Prime Factorization 23 × 67 × 101 × 131

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	20388971	Product of the distinct prime numbers

The prime factorization of 20388971 is 23 × 67 × 101 × 131. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 8, 18, 36, 652, 307, 4774, 4068, 15923, 22536, 353053, 977051, 1084393, 3689723, 72494181, 81494114, 61349626, 718707784, 6436133925, 5805569626

Basic calculations (n = 20388971)

Multiplication

n×y

n×2	40777942
n×3	61166913
n×4	81555884
n×5	101944855

Division

n÷y

n÷2	10194485.5
n÷3	6796323.6666667
n÷3	5097242.75
n÷5	4077794.2

Exponentiation

n^y

n²	415710138438841
n³	8.4759019570355E+21
n⁴	1.7281491920084E+29
n⁵	3.5235183759533E+36

Nth Root

^y√n

²√n	4515.4148203681
³√n	273.19019159237
⁴√n	67.196836386605
⁵√n	28.965368741972

Divisors of 20388971

1, 23, 67, 101, 131, 1541, 2323, 3013, 6767, 8777, 13231, 155641, 201871, 304313, 886477, 20388971

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20388970	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20388971 can be divided by 16 positive divisors. The sum of these divisors (counting 20388971) is 1, the average is 0.0625.

Base conversion 20388971

Base	System	Value
2	Binary	1001101110001110001101011
3	Ternary	1102100212102002
4	Quaternary	1031301301223
5	Quinary	20204421341
6	Senary	2005001215
8	Octal	115616153
10	Decimal	20388971
12	Duodecimal	69b320b
16	Hexadecimal	1371c6b
20	Vigesimal	678c8b
36	Base36	c508b

Cryptographic Hash Functions

md5	cf19a7a8627afb3d7dfdfe109736ca38
sha1	e3c32b79cf7d54deafec3e084a3158bb092c2b00
sha256	7aaf407700060449548f90179ac97eb22104b7dd79ff3fe72783210d01c78eb6
sha512	5d05ea86ad34cf2cb76349e1c1286d9471822ce21a4e75d47bd9048a028bbe8d0a5c54b9be8f1977a3ced73e4dd6820a4e53b024a694cd8f110a3dbe54c81ec4
ripemd-160	dddb5e7c1f9b4611178ae00d036e17c8ff406f81

20388971 as geometric shapes

Circle

Radius = n

Diameter	40777942
Circumference	128107683.01571
Area	1.3059919169423E+15

Sphere

Radius = n

Volume	3.550377509436E+22
Surface area	5.223967667769E+15
Circumference	128107683.01571

Square

Length = n

Perimeter	81555884
Area	415710138438841
Diagonal	28834359.311032

Cube

Length = n

Surface area	2494260830633046
Volume	8.4759019570355E+21
Space diagonal	35314733.686048

Equilateral Triangle

Length = n

Perimeter	61166913
Area	1.8000777024939E+14
Altitude	17657366.843024

Triangular Pyramid

Length = n

Surface area	1.8000777024939E+14
Volume	9.9889462508202E+20
Height	9611453.1036772