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

20991711 (number)

20991711 is an odd 8-digits composite number following 20991710 and preceding 20991712. In scientific notation, it is written as 2.0991711 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 12917952 positive integers (up to 20991711) that are relatively prime to 20991711.

Interesting facts

20991711 has 8 divisors, whose sum is 30142000
The reverse of 20991711 is 11719902
Previous prime number is 13

Basic properties

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

Name

Name	twenty million nine hundred ninety-one thousand seven hundred eleven

Notation

Scientific notation	2.0991711 × 10^7
Engineering notation	2.0991711 × 10^6

Prime Factorization of 20991711

Prime Factorization 3 × 13 × 538249

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20991711	Product of the distinct prime numbers

The prime factorization of 20991711 is 3 × 13 × 538249. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 7, 94, 49, 522, 890, 6279, 1870, 5516, 46202, 937507, 823583, 1190455, 7122923, 61891261, 13104953, 835326168, 365409543, 6678195439, 4285063812

Basic calculations (n = 20991711)

Multiplication

n×y

n×2	41983422
n×3	62975133
n×4	83966844
n×5	104958555

Division

n÷y

n÷2	10495855.5
n÷3	6997237
n÷3	5247927.75
n÷5	4198342.2

Exponentiation

n^y

n²	440651930707521
n³	9.2500379810043E+21
n⁴	1.9417412403627E+29
n⁵	4.0760470954474E+36

Nth Root

^y√n

²√n	4581.6712016468
³√n	275.85611330156
⁴√n	67.688043269449
⁵√n	29.13463406965

Divisors of 20991711

1, 3, 13, 39, 538249, 1614747, 6997237, 20991711

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	-20991710	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 20991711 can be divided by 8 positive divisors. The sum of these divisors (counting 20991711) is 1, the average is 0.125.

Base conversion 20991711

Base	System	Value
2	Binary	1010000000100111011011111
3	Ternary	1110111111012210
4	Quaternary	1100010323133
5	Quinary	20333213321
6	Senary	2025531503
8	Octal	120047337
10	Decimal	20991711
12	Duodecimal	7043b93
16	Hexadecimal	1404edf
20	Vigesimal	6b3j5b
36	Base36	chxb3

Cryptographic Hash Functions

md5	bb44d5ace57e354d569dde725166acc5
sha1	ba7a863256f2bb35bf9ed05e0d7a8d7ea304e40a
sha256	019c63206a7c0b585bd52a089a272c944a30d807aee4cb69a58fdfbc25d38f15
sha512	616003bd122975f79e0edc48761b835307b01197bbeafc292a1ca8421a4f008639de5109f259fe64ee66a3d8ab12ba71522488676a6e4565d4fd635d2379a779
ripemd-160	7d3f6818dd4472a307862e837de79dc6a947b088

20991711 as geometric shapes

Circle

Radius = n

Diameter	41983422
Circumference	131894810.12776
Area	1.3843488683009E+15

Sphere

Radius = n

Volume	3.8746468488733E+22
Surface area	5.5373954732036E+15
Circumference	131894810.12776

Square

Length = n

Perimeter	83966844
Area	440651930707521
Diagonal	29686762.393616

Cube

Length = n

Surface area	2643911584245126
Volume	9.2500379810043E+21
Space diagonal	36358709.989802

Equilateral Triangle

Length = n

Perimeter	62975133
Area	1.9080788310969E+14
Altitude	18179354.994901

Triangular Pyramid

Length = n

Surface area	1.9080788310969E+14
Volume	1.0901274304335E+21
Height	9895587.4645388