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

20509949 (number)

20509949 is an odd 8-digits composite number following 20509948 and preceding 20509950. In scientific notation, it is written as 2.0509949 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 19430460 positive integers (up to 20509949) that are relatively prime to 20509949.

Interesting facts

20509949 has 4 divisors, whose sum is 21589440
The reverse of 20509949 is 94990502
Previous prime number is 19

Basic properties

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

Name

Name	twenty million five hundred nine thousand nine hundred forty-nine

Notation

Scientific notation	2.0509949 × 10^7
Engineering notation	2.0509949 × 10^6

Prime Factorization of 20509949

Prime Factorization 19 × 1079471

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20509949	Product of the distinct prime numbers

The prime factorization of 20509949 is 19 × 1079471. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 10, 72, 91, 132, 508, 9282, 2675, 45476, 49421, 907546, 920846, 9189265, 7954972, 71224572, 52605737, 625704146, 434377557, 9412676094, 2097681058

Basic calculations (n = 20509949)

Multiplication

n×y

n×2	41019898
n×3	61529847
n×4	82039796
n×5	102549745

Division

n÷y

n÷2	10254974.5
n÷3	6836649.6666667
n÷3	5127487.25
n÷5	4101989.8

Exponentiation

n^y

n²	420658007982601
n³	8.6276742901647E+21
n⁴	1.7695315967989E+29
n⁵	3.6293002804234E+36

Nth Root

^y√n

²√n	4528.7911190515
³√n	273.72945127688
⁴√n	67.296293501585
⁵√n	28.999660664408

Divisors of 20509949

1, 19, 1079471, 20509949

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	-20509948	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 20509949 can be divided by 4 positive divisors. The sum of these divisors (counting 20509949) is 1, the average is 0.25.

Base conversion 20509949

Base	System	Value
2	Binary	1001110001111010011111101
3	Ternary	1102121000100202
4	Quaternary	1032033103331
5	Quinary	20222304244
6	Senary	2011333245
8	Octal	116172375
10	Decimal	20509949
12	Duodecimal	6a51225
16	Hexadecimal	138f4fd
20	Vigesimal	683eh9
36	Base36	c7lkt

Cryptographic Hash Functions

md5	45e826cc9f0b59fcb603a896a2968ea6
sha1	eee3b3214f8a0873ca5f202abfa2b3b1f6bf9dc3
sha256	67764072b9e1f5f39b799d0c5484e200b677c603a73674813e9f8b138c19a44d
sha512	612d56de60b4936c5eaa68afaf318a53c9a709a9833128e5ee2f336a1690e45810927c346a32fa269ecb4075ae4ee6a698a209c9b3b9b5cdd0e06f4c121e8379
ripemd-160	6ca14fb33eec162971fed9b67dfe805e3b59a207

20509949 as geometric shapes

Circle

Radius = n

Diameter	41019898
Circumference	128867810.2078
Area	1.3215361075519E+15

Sphere

Radius = n

Volume	3.6139517556729E+22
Surface area	5.2861444302074E+15
Circumference	128867810.2078

Square

Length = n

Perimeter	82039796
Area	420658007982601
Diagonal	29005448.039381

Cube

Length = n

Surface area	2523948047895606
Volume	8.6276742901647E+21
Space diagonal	35524273.728646

Equilateral Triangle

Length = n

Perimeter	61529847
Area	1.8215026060914E+14
Altitude	17762136.864323

Triangular Pyramid

Length = n

Surface area	1.8215026060914E+14
Volume	1.0167811660741E+21
Height	9668482.6797935