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

20997911 (number)

20997911 is an odd 8-digits composite number following 20997910 and preceding 20997912. In scientific notation, it is written as 2.0997911 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 18728320 positive integers (up to 20997911) that are relatively prime to 20997911.

Interesting facts

20997911 has 8 divisors, whose sum is 23339664
The reverse of 20997911 is 11979902
Previous prime number is 53

Basic properties

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

Name

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

Notation

Scientific notation	2.0997911 × 10^7
Engineering notation	2.0997911 × 10^6

Prime Factorization of 20997911

Prime Factorization 11 × 53 × 36017

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20997911	Product of the distinct prime numbers

The prime factorization of 20997911 is 11 × 53 × 36017. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 1, 63, 50, 354, 677, 7372, 5895, 25237, 24467, 734102, 361730, 2180569, 1474004, 4079500, 48724068, 835537735, 424506143, 6884796166, 4737484107

Basic calculations (n = 20997911)

Multiplication

n×y

n×2	41995822
n×3	62993733
n×4	83991644
n×5	104989555

Division

n÷y

n÷2	10498955.5
n÷3	6999303.6666667
n÷3	5249477.75
n÷5	4199582.2

Exponentiation

n^y

n²	440912266363921
n³	9.2582365279179E+21
n⁴	1.9440362663017E+29
n⁵	4.0820700500575E+36

Nth Root

^y√n

²√n	4582.3477607008
³√n	275.88326909252
⁴√n	67.693040710998
⁵√n	29.136354876444

Divisors of 20997911

1, 11, 53, 583, 36017, 396187, 1908901, 20997911

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	-20997910	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 20997911 can be divided by 8 positive divisors. The sum of these divisors (counting 20997911) is 1, the average is 0.125.

Base conversion 20997911

Base	System	Value
2	Binary	1010000000110011100010111
3	Ternary	1110111210201102
4	Quaternary	1100012130113
5	Quinary	20333413121
6	Senary	2030020315
8	Octal	120063427
10	Decimal	20997911
12	Duodecimal	704769b
16	Hexadecimal	1406717
20	Vigesimal	6b4efb
36	Base36	ci23b

Cryptographic Hash Functions

md5	991089a9fb239e65c15a2ebdadda4faa
sha1	cbfd1f87ba7916f1d7c58d5f6273635e570f7860
sha256	87014edaac02b1550bbfd54bf415d60ba1cac5f522b0b579f73decf544c32231
sha512	88373da193e87fac5b7b753fbc6cfa238a03eaf803f7169c94b87a67f9b1bc1a803163dd9f66d8896bfe23df0971f78bf4f81a225a89bf7f0eca4bec3f9e6fa3
ripemd-160	f2530a0b71008475c3821a7529f0f3d111e859bf

20997911 as geometric shapes

Circle

Radius = n

Diameter	41995822
Circumference	131933765.87666
Area	1.3851667368865E+15

Sphere

Radius = n

Volume	3.8780810481738E+22
Surface area	5.5406669475461E+15
Circumference	131933765.87666

Square

Length = n

Perimeter	83991644
Area	440912266363921
Diagonal	29695530.517703

Cube

Length = n

Surface area	2645473598183526
Volume	9.2582365279179E+21
Space diagonal	36369448.704809

Equilateral Triangle

Length = n

Perimeter	62993733
Area	1.9092061175566E+14
Altitude	18184724.352405

Triangular Pyramid

Length = n

Surface area	1.9092061175566E+14
Volume	1.0910936384533E+21
Height	9898510.1725677