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

21000839 (number)

21000839 is an odd 8-digits prime number following 21000838 and preceding 21000840. In scientific notation, it is written as 2.1000839 × 10^7. The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors. There are 21000838 positive integers (up to 21000839) that are relatively prime to 21000839.

Interesting facts

21000839 has 2 divisors, whose sum is 21000840
The reverse of 21000839 is 93800012
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5

Name

Name	twenty-one million eight hundred thirty-nine

Notation

Scientific notation	2.1000839 × 10^7
Engineering notation	2.1000839 × 10^6

Prime Factorization of 21000839

Prime Factorization 21000839

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21000839	Product of the distinct prime numbers

The prime factorization of 21000839 is 21000839. Since it has a total of 1 prime factors.

Most popular turbo-numbers

7, 6, 77, 69, 426, 402, 325, 9983, 97936, 51473, 682361, 901071, 1465793, 8181234, 86551479, 31812480, 404122276, 180964789, 8332530030, 8574194747

Basic calculations (n = 21000839)

Multiplication

n×y

n×2	42001678
n×3	63002517
n×4	84003356
n×5	105004195

Division

n÷y

n÷2	10500419.5
n÷3	7000279.6666667
n÷3	5250209.75
n÷5	4200167.8

Exponentiation

n^y

n²	441035238703921
n³	9.2621100413476E+21
n⁴	1.9451208177862E+29
n⁵	4.0849169129877E+36

Nth Root

^y√n

²√n	4582.6672364465
³√n	275.89609177551
⁴√n	67.695400408347
⁵√n	29.137167400023

Divisors of 21000839

1, 21000839

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21000840	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10500420	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4582.6673455532	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999047657	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000839 can be divided by 2 positive divisors. The sum of these divisors (counting 21000839) is 21000840, the average is 10500420.

Base conversion 21000839

Base	System	Value
2	Binary	1010000000111001010000111
3	Ternary	1110111221201212
4	Quaternary	1100013022013
5	Quinary	20334011324
6	Senary	2030042035
8	Octal	120071207
10	Decimal	21000839
12	Duodecimal	704931b
16	Hexadecimal	1407287
20	Vigesimal	6b521j
36	Base36	ci4cn

Cryptographic Hash Functions

md5	db11a861c504f261d9e71775bcda8054
sha1	58911aa71ab93edac0886264fd8baa187aca2d99
sha256	df186358c05e561b140824f031ae62a4922ff523d2273e34e81bddb2c105f4dd
sha512	a9a33e0947c6087cf397eb8b6ae41764b216f765508764db464f4f61adf63f2667db1288400319d7fc584cd8e3f4bf09f2cb5a1727bb6dfd647afb175a6d7223
ripemd-160	798ed747278c9cd6be8a85704a43e2505070c88a

21000839 as geometric shapes

Circle

Radius = n

Diameter	42001678
Circumference	131952163.04324
Area	1.3855530658865E+15

Sphere

Radius = n

Volume	3.8797035816851E+22
Surface area	5.5422122635458E+15
Circumference	131952163.04324

Square

Length = n

Perimeter	84003356
Area	441035238703921
Diagonal	29699671.335014

Cube

Length = n

Surface area	2646211432223526
Volume	9.2621100413476E+21
Space diagonal	36374520.149574

Equilateral Triangle

Length = n

Perimeter	63002517
Area	1.9097386034086E+14
Altitude	18187260.074787

Triangular Pyramid

Length = n

Surface area	1.9097386034086E+14
Volume	1.0915501363888E+21
Height	9899890.4450046