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

20691389 (number)

20691389 is an odd 8-digits composite number following 20691388 and preceding 20691390. In scientific notation, it is written as 2.0691389 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 20678460 positive integers (up to 20691389) that are relatively prime to 20691389.

Interesting facts

20691389 has 4 divisors, whose sum is 20704320
The reverse of 20691389 is 98319602
Previous prime number is 1871

Basic properties

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

Name

Name	twenty million six hundred ninety-one thousand three hundred eighty-nine

Notation

Scientific notation	2.0691389 × 10^7
Engineering notation	2.0691389 × 10^6

Prime Factorization of 20691389

Prime Factorization 1871 × 11059

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20691389	Product of the distinct prime numbers

The prime factorization of 20691389 is 1871 × 11059. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 5, 75, 77, 168, 520, 5815, 2525, 48176, 1200, 497820, 740635, 804600, 9673375, 42209618, 2426320, 668533876, 545014918, 4894623965, 8917085697

Basic calculations (n = 20691389)

Multiplication

n×y

n×2	41382778
n×3	62074167
n×4	82765556
n×5	103456945

Division

n÷y

n÷2	10345694.5
n÷3	6897129.6666667
n÷3	5172847.25
n÷5	4138277.8

Exponentiation

n^y

n²	428133578749321
n³	8.8586784218643E+21
n⁴	1.832983612527E+29
n⁵	3.7926976957422E+36

Nth Root

^y√n

²√n	4548.7788471193
³√n	274.53425960056
⁴√n	67.444635421354
⁵√n	29.050788804545

Divisors of 20691389

1, 1871, 11059, 20691389

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	-20691388	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 20691389 can be divided by 4 positive divisors. The sum of these divisors (counting 20691389) is 1, the average is 0.25.

Base conversion 20691389

Base	System	Value
2	Binary	1001110111011100110111101
3	Ternary	1102221020020202
4	Quaternary	1032323212331
5	Quinary	20244111024
6	Senary	2015253245
8	Octal	116734675
10	Decimal	20691389
12	Duodecimal	6b1a225
16	Hexadecimal	13bb9bd
20	Vigesimal	696899
36	Base36	cbhkt

Cryptographic Hash Functions

md5	a0824d4fee35e8d82b0c9bc07074ebc0
sha1	daeeb8291195887ac6e54259734e4f1b091dedce
sha256	fda326c3f8c2095068e86acb315c20b5eab837e86b5c955140c5b6004ffa3049
sha512	67e6587bfa12daefc334faf857d2ea50cc8a903261b0c11065af1370b3622e8687b4d104477719124be8896ed37deec517ceae71fcc2e23e64e4ea716480e71d
ripemd-160	25e884cd31d161c2b35e64aed756a3f2073f8cb2

20691389 as geometric shapes

Circle

Radius = n

Diameter	41382778
Circumference	130007831.34994
Area	1.345021305754E+15

Sphere

Radius = n

Volume	3.7107145400858E+22
Surface area	5.3800852230159E+15
Circumference	130007831.34994

Square

Length = n

Perimeter	82765556
Area	428133578749321
Diagonal	29262042.948137

Cube

Length = n

Surface area	2568801472495926
Volume	8.8586784218643E+21
Space diagonal	35838537.027172

Equilateral Triangle

Length = n

Perimeter	62074167
Area	1.8538727770503E+14
Altitude	17919268.513586

Triangular Pyramid

Length = n

Surface area	1.8538727770503E+14
Volume	1.0440052640752E+21
Height	9754014.3160458