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

20647639 (number)

20647639 is an odd 8-digits composite number following 20647638 and preceding 20647640. In scientific notation, it is written as 2.0647639 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 19433056 positive integers (up to 20647639) that are relatively prime to 20647639.

Interesting facts

20647639 has 4 divisors, whose sum is 21862224
The reverse of 20647639 is 93674602
Previous prime number is 17

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	twenty million six hundred forty-seven thousand six hundred thirty-nine

Notation

Scientific notation	2.0647639 × 10^7
Engineering notation	2.0647639 × 10^6

Prime Factorization of 20647639

Prime Factorization 17 × 1214567

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20647639	Product of the distinct prime numbers

The prime factorization of 20647639 is 17 × 1214567. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 5, 66, 94, 158, 286, 5806, 9114, 82309, 15835, 62685, 461314, 1139434, 3538617, 73817685, 77571864, 92115604, 620203690, 2237592101, 5498399166

Basic calculations (n = 20647639)

Multiplication

n×y

n×2	41295278
n×3	61942917
n×4	82590556
n×5	103238195

Division

n÷y

n÷2	10323819.5
n÷3	6882546.3333333
n÷3	5161909.75
n÷5	4129527.8

Exponentiation

n^y

n²	426324996274321
n³	8.8026046197485E+21
n⁴	1.817530024483E+29
n⁵	3.7527703817186E+36

Nth Root

^y√n

²√n	4543.9673194247
³√n	274.34063075808
⁴√n	67.408955780554
⁵√n	29.038493367865

Divisors of 20647639

1, 17, 1214567, 20647639

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	-20647638	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 20647639 can be divided by 4 positive divisors. The sum of these divisors (counting 20647639) is 1, the average is 0.25.

Base conversion 20647639

Base	System	Value
2	Binary	1001110110000111011010111
3	Ternary	1102212000020101
4	Quaternary	1032300323113
5	Quinary	20241211024
6	Senary	2014314531
8	Octal	116607327
10	Decimal	20647639
12	Duodecimal	6ab8a47
16	Hexadecimal	13b0ed7
20	Vigesimal	690j1j
36	Base36	cajtj

Cryptographic Hash Functions

md5	b8f2302b726a9b2512f86f3ca6ba818b
sha1	fcbd1b424be27f744250e53172af8865460e02a3
sha256	c8ebfeaa6f34e4b127780d0d31d463df7262343841d353411785464deb3eca78
sha512	634b4d36e866696706511092d7069459a81fd1e7f32a9b45571950f23b5c58c71aaed05771b4a24822e5e202a101e47d4664af16bb82ee5bfd3af4da98d79c27
ripemd-160	27f8b27f43123739bdd32a1c2b63be5691888007

20647639 as geometric shapes

Circle

Radius = n

Diameter	41295278
Circumference	129732941.99275
Area	1.3393394763371E+15

Sphere

Radius = n

Volume	3.687226400781E+22
Surface area	5.3573579053484E+15
Circumference	129732941.99275

Square

Length = n

Perimeter	82590556
Area	426324996274321
Diagonal	29200171.104784

Cube

Length = n

Surface area	2557949977645926
Volume	8.8026046197485E+21
Space diagonal	35762759.804341

Equilateral Triangle

Length = n

Perimeter	61942917
Area	1.8460413852093E+14
Altitude	17881379.90217

Triangular Pyramid

Length = n

Surface area	1.8460413852093E+14
Volume	1.0373969031214E+21
Height	9733390.3682612