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

20687439 (number)

20687439 is an odd 8-digits composite number following 20687438 and preceding 20687440. In scientific notation, it is written as 2.0687439 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 13791624 positive integers (up to 20687439) that are relatively prime to 20687439.

Interesting facts

20687439 has 4 divisors, whose sum is 27583256
The reverse of 20687439 is 93478602
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3

Name

Name	twenty million six hundred eighty-seven thousand four hundred thirty-nine

Notation

Scientific notation	2.0687439 × 10^7
Engineering notation	2.0687439 × 10^6

Prime Factorization of 20687439

Prime Factorization 3 × 6895813

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20687439	Product of the distinct prime numbers

The prime factorization of 20687439 is 3 × 6895813. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 7, 2, 77, 471, 989, 5075, 4007, 4032, 42818, 141508, 102508, 5950807, 6513808, 15792009, 25801003, 857951299, 437997564, 1768166582, 7407740333

Basic calculations (n = 20687439)

Multiplication

n×y

n×2	41374878
n×3	62062317
n×4	82749756
n×5	103437195

Division

n÷y

n÷2	10343719.5
n÷3	6895813
n÷3	5171859.75
n÷5	4137487.8

Exponentiation

n^y

n²	427970132378721
n³	8.8536060074067E+21
n⁴	1.8315843420826E+29
n⁵	3.7890789350189E+36

Nth Root

^y√n

²√n	4548.3446439337
³√n	274.51678889753
⁴√n	67.441416384397
⁵√n	29.049679556836

Divisors of 20687439

1, 3, 6895813, 20687439

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	-20687438	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 20687439 can be divided by 4 positive divisors. The sum of these divisors (counting 20687439) is 1, the average is 0.25.

Base conversion 20687439

Base	System	Value
2	Binary	1001110111010101001001111
3	Ternary	1102221000211110
4	Quaternary	1032322221033
5	Quinary	20243444224
6	Senary	2015223103
8	Octal	116725117
10	Decimal	20687439
12	Duodecimal	6b17a93
16	Hexadecimal	13baa4f
20	Vigesimal	695ibj
36	Base36	cbej3

Cryptographic Hash Functions

md5	842e645e8127ef9ca8ad32c143e10b02
sha1	f9b55c975e8caba2b72b8ae98e1a01a11394e5c4
sha256	c8378e57e050a5e2510cd4d6ad7e2d2a415ed2692222e909a8be6eccc6bd4883
sha512	ad4f5fcd049d51255c21928df01823e3b13342d2cd4a1e5700c984a743f4478b0dfbd9af5558fd419034038f734353eea5198e51b01b7fa4842429a9c852f762
ripemd-160	fd4080bd6a7af55c3a3d361dbe8f43f729646d98

20687439 as geometric shapes

Circle

Radius = n

Diameter	41374878
Circumference	129983012.76797
Area	1.3445078238368E+15

Sphere

Radius = n

Volume	3.7085898120863E+22
Surface area	5.3780312953474E+15
Circumference	129983012.76797

Square

Length = n

Perimeter	82749756
Area	427970132378721
Diagonal	29256456.804566

Cube

Length = n

Surface area	2567820794272326
Volume	8.8536060074067E+21
Space diagonal	35831695.426482

Equilateral Triangle

Length = n

Perimeter	62062317
Area	1.8531650335048E+14
Altitude	17915847.713241

Triangular Pyramid

Length = n

Surface area	1.8531650335048E+14
Volume	1.0434074742985E+21
Height	9752152.2681887