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

20809949 (number)

20809949 is an odd 8-digits composite number following 20809948 and preceding 20809950. In scientific notation, it is written as 2.0809949 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 20457180 positive integers (up to 20809949) that are relatively prime to 20809949.

Interesting facts

20809949 has 4 divisors, whose sum is 21162720
The reverse of 20809949 is 94990802
Previous prime number is 59

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5

Name

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

Notation

Scientific notation	2.0809949 × 10^7
Engineering notation	2.0809949 × 10^6

Prime Factorization of 20809949

Prime Factorization 59 × 352711

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20809949	Product of the distinct prime numbers

The prime factorization of 20809949 is 59 × 352711. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 9, 38, 92, 159, 491, 627, 7401, 18785, 65615, 265731, 303337, 7925067, 5384952, 4881491, 15676504, 777097177, 899484694, 1815686495, 7956039894

Basic calculations (n = 20809949)

Multiplication

n×y

n×2	41619898
n×3	62429847
n×4	83239796
n×5	104049745

Division

n÷y

n÷2	10404974.5
n÷3	6936649.6666667
n÷3	5202487.25
n÷5	4161989.8

Exponentiation

n^y

n²	433053977382601
n³	9.0118311835791E+21
n⁴	1.8753574732689E+29
n⁵	3.9026093375495E+36

Nth Root

^y√n

²√n	4561.7923012781
³√n	275.05761437483
⁴√n	67.541041606405
⁵√n	29.084004500359

Divisors of 20809949

1, 59, 352711, 20809949

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	-20809948	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 20809949 can be divided by 4 positive divisors. The sum of these divisors (counting 20809949) is 1, the average is 0.25.

Base conversion 20809949

Base	System	Value
2	Binary	1001111011000100011011101
3	Ternary	1110011020212212
4	Quaternary	1033120203131
5	Quinary	20311404244
6	Senary	2022010205
8	Octal	117304335
10	Decimal	20809949
12	Duodecimal	6b76965
16	Hexadecimal	13d88dd
20	Vigesimal	6a14h9
36	Base36	ce125

Cryptographic Hash Functions

md5	7b3d220d28fed3ee9d17fa8c0b7ec2b6
sha1	2139c443a0fff1a03b114e349215e0905f8a10c8
sha256	a30f76a0580b0eeed500b1f261fa985493806027b2179142e4472e6b79d87bc5
sha512	648978d8de313e161e76a2b4ecc867f8cb0712cf73771d35b35643d44e3f7b9a7c4a9d134f7ddf07ac37f89b3a4f596b1afb3fe59d7491e029c5c117cfd85de7
ripemd-160	e79d86f7e45539103fd7311632a68a8d91ecc0cb

20809949 as geometric shapes

Circle

Radius = n

Diameter	41619898
Circumference	130752765.79996
Area	1.360479193953E+15

Sphere

Radius = n

Volume	3.7748670188965E+22
Surface area	5.4419167758121E+15
Circumference	130752765.79996

Square

Length = n

Perimeter	83239796
Area	433053977382601
Diagonal	29429712.108092

Cube

Length = n

Surface area	2598323864295606
Volume	9.0118311835791E+21
Space diagonal	36043888.970917

Equilateral Triangle

Length = n

Perimeter	62429847
Area	1.8751787281161E+14
Altitude	18021944.485459

Triangular Pyramid

Length = n

Surface area	1.8751787281161E+14
Volume	1.0620544901362E+21
Height	9809904.0360308