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

20990809 (number)

20990809 is an odd 8-digits composite number following 20990808 and preceding 20990810. In scientific notation, it is written as 2.0990809 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 17035200 positive integers (up to 20990809) that are relatively prime to 20990809.

Interesting facts

20990809 has 8 divisors, whose sum is 24017408
The reverse of 20990809 is 90809902
Previous prime number is 1537

Basic properties

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

Name

Name	twenty million nine hundred ninety thousand eight hundred nine

Notation

Scientific notation	2.0990809 × 10^7
Engineering notation	2.0990809 × 10^6

Prime Factorization of 20990809

Prime Factorization 7 × 1537 × 1951

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20990809	Product of the distinct prime numbers

The prime factorization of 20990809 is 7 × 1537 × 1951. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 1, 55, 13, 538, 83, 755, 9744, 25959, 94896, 743518, 54666, 6705608, 9554942, 11636162, 55811437, 218386108, 269756912, 8295489617, 9220445005

Basic calculations (n = 20990809)

Multiplication

n×y

n×2	41981618
n×3	62972427
n×4	83963236
n×5	104954045

Division

n÷y

n÷2	10495404.5
n÷3	6996936.3333333
n÷3	5247702.25
n÷5	4198161.8

Exponentiation

n^y

n²	440614062474481
n³	9.2488456281159E+21
n⁴	1.9414075205027E+29
n⁵	4.0751714454035E+36

Nth Root

^y√n

²√n	4581.572764892
³√n	275.85216212645
⁴√n	67.68731613007
⁵√n	29.134383686138

Divisors of 20990809

1, 7, 1537, 1951, 10759, 13657, 2998687, 20990809

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20990808	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20990809 can be divided by 8 positive divisors. The sum of these divisors (counting 20990809) is 1, the average is 0.125.

Base conversion 20990809

Base	System	Value
2	Binary	1010000000100101101011001
3	Ternary	1110111102222101
4	Quaternary	1100010231121
5	Quinary	20333201214
6	Senary	2025523401
8	Octal	120045531
10	Decimal	20990809
12	Duodecimal	7043561
16	Hexadecimal	1404b59
20	Vigesimal	6b3h09
36	Base36	chwm1

Cryptographic Hash Functions

md5	440d5a4b8d6443356f7191ad4423e790
sha1	b07b94be728ebf0c9d5089371c426a69dcaf52e4
sha256	ee24d8296edbf50692edd3a2dc7a8747bb7e9077c3f58523952c148a3688f4f7
sha512	b122305c819c728d078e9ece939fa8ed9dc148e7789b86d879944c40e2493359b65fac58ffaa91334021710c2157d783f67053848d6e389c3f9bdeabdeaf01e2
ripemd-160	2478bdf6f0c5438d8fd1b2531c06a889a4e06777

20990809 as geometric shapes

Circle

Radius = n

Diameter	41981618
Circumference	131889142.69461
Area	1.3842299017382E+15

Sphere

Radius = n

Volume	3.8741473972633E+22
Surface area	5.5369196069527E+15
Circumference	131889142.69461

Square

Length = n

Perimeter	83963236
Area	440614062474481
Diagonal	29685486.772983

Cube

Length = n

Surface area	2643684374846886
Volume	9.2488456281159E+21
Space diagonal	36357147.679974

Equilateral Triangle

Length = n

Perimeter	62972427
Area	1.9079148568378E+14
Altitude	18178573.839987

Triangular Pyramid

Length = n

Surface area	1.9079148568378E+14
Volume	1.0899869102981E+21
Height	9895162.2576611