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

20390655 (number)

20390655 is an odd 8-digits composite number following 20390654 and preceding 20390656. In scientific notation, it is written as 2.0390655 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 10875008 positive integers (up to 20390655) that are relatively prime to 20390655.

Interesting facts

20390655 has 4 divisors, whose sum is 21750048
The reverse of 20390655 is 55609302
Previous prime number is 15

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

Name	twenty million three hundred ninety thousand six hundred fifty-five

Notation

Scientific notation	2.0390655 × 10^7
Engineering notation	2.0390655 × 10^6

Prime Factorization of 20390655

Prime Factorization 15 × 1359377

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20390655	Product of the distinct prime numbers

The prime factorization of 20390655 is 15 × 1359377. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 5, 48, 77, 637, 560, 3754, 3850, 62599, 41227, 883339, 16309, 1770220, 8375762, 15642468, 31166055, 502162845, 200202279, 7082626390, 3860373929

Basic calculations (n = 20390655)

Multiplication

n×y

n×2	40781310
n×3	61171965
n×4	81562620
n×5	101953275

Division

n÷y

n÷2	10195327.5
n÷3	6796885
n÷3	5097663.75
n÷5	4078131

Exponentiation

n^y

n²	415778811329025
n³	8.4780022981202E+21
n⁴	1.7287201995018E+29
n⁵	3.5249737179572E+36

Nth Root

^y√n

²√n	4515.6012888651
³√n	273.19771264574
⁴√n	67.198223852012
⁵√n	28.965847197404

Divisors of 20390655

1, 15, 1359377, 20390655

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	-20390654	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 20390655 can be divided by 4 positive divisors. The sum of these divisors (counting 20390655) is 1, the average is 0.25.

Base conversion 20390655

Base	System	Value
2	Binary	1001101110010001011111111
3	Ternary	1102100221201110
4	Quaternary	1031302023333
5	Quinary	20210000110
6	Senary	2005013103
8	Octal	115621377
10	Decimal	20390655
12	Duodecimal	69b4193
16	Hexadecimal	13722ff
20	Vigesimal	678gcf
36	Base36	c51j3

Cryptographic Hash Functions

md5	b1a099fbb4770bc99cd12257f645d567
sha1	9cbf2d152fd21f6e16f8598b348a81d09d164182
sha256	92da11d2827aec1a7f645325f4bd71948ccf7459d407a1589e333f9a010d48bf
sha512	6dc0f276e68354e0d8301ab1dda29b2b06b7ae46c62aa218a5caee49e4cdf35d58b990458ac6e0e26afe96a7b3a7e0262faf04424a3364a1fb8164094f8763ce
ripemd-160	6c777a6dbfe1f12c1107854859b5bc515cce99e2

20390655 as geometric shapes

Circle

Radius = n

Diameter	40781310
Circumference	128118263.89977
Area	1.3062076591896E+15

Sphere

Radius = n

Volume	3.5512572982523E+22
Surface area	5.2248306367582E+15
Circumference	128118263.89977

Square

Length = n

Perimeter	81562620
Area	415778811329025
Diagonal	28836740.846671

Cube

Length = n

Surface area	2494672867974150
Volume	8.4780022981202E+21
Space diagonal	35317650.459608

Equilateral Triangle

Length = n

Perimeter	61171965
Area	1.8003750648312E+14
Altitude	17658825.229804

Triangular Pyramid

Length = n

Surface area	1.8003750648312E+14
Volume	9.9914215265266E+20
Height	9612246.9488903