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

21000806 (number)

21000806 is an even 8-digits composite number following 21000805 and preceding 21000807. In scientific notation, it is written as 2.1000806 × 10^7. The sum of its digits is 17. It has a total of 4 prime factors and 12 positive divisors. There are 10347540 positive integers (up to 21000806) that are relatively prime to 21000806.

Interesting facts

21000806 has 12 divisors, whose sum is 31966476
The reverse of 21000806 is 60800012
Previous prime number is 71

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 17
Digital Root 8

Name

Name	twenty-one million eight hundred six

Notation

Scientific notation	2.1000806 × 10^7
Engineering notation	2.1000806 × 10^6

Prime Factorization of 21000806

Prime Factorization 2 × 71 × 71 × 2083

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	295786	Product of the distinct prime numbers

The prime factorization of 21000806 is 2 × 71 × 71 × 2083. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 7, 32, 87, 675, 54, 4011, 8153, 90539, 7588, 885619, 510162, 9148330, 3553055, 1495804, 26460475, 75772768, 944598436, 9007775645, 6368224732

Basic calculations (n = 21000806)

Multiplication

n×y

n×2	42001612
n×3	63002418
n×4	84003224
n×5	105004030

Division

n÷y

n÷2	10500403
n÷3	7000268.6666667
n÷3	5250201.5
n÷5	4200161.2

Exponentiation

n^y

n²	441033852649636
n³	9.2620663789276E+21
n⁴	1.9451085918298E+29
n⁵	4.0848848185951E+36

Nth Root

^y√n

²√n	4582.6636359218
³√n	275.8959472642
⁴√n	67.695373814773
⁵√n	29.137158242988

Divisors of 21000806

1, 2, 71, 142, 2083, 4166, 5041, 10082, 147893, 295786, 10500403, 21000806

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21000805	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000806 can be divided by 12 positive divisors. The sum of these divisors (counting 21000806) is 1, the average is 0.083333333333333.

Base conversion 21000806

Base	System	Value
2	Binary	1010000000111001001100110
3	Ternary	1110111221200122
4	Quaternary	1100013021212
5	Quinary	20334011211
6	Senary	2030041542
8	Octal	120071146
10	Decimal	21000806
12	Duodecimal	70492b2
16	Hexadecimal	1407266
20	Vigesimal	6b5206
36	Base36	ci4bq

Cryptographic Hash Functions

md5	5dfeed40277d92ee0f1179679bd2014a
sha1	5687d81946709298db7d3425abe07fee80bc2f34
sha256	041ed3e40ef1166539967e8b22ef11e3367d81c9007b9a4560fb110083bff29b
sha512	845147cdf602d6c8562eb678da9fd61a6cd4be0e19d20fb5e20a9636e42dac4155dea28294cf0c048d77e5f6bd0939218ce3764c58ed7a3ae7143eb572aa3cdc
ripemd-160	b20f14bcdd4dfc5176f7987879e86c73e3c2b598

21000806 as geometric shapes

Circle

Radius = n

Diameter	42001612
Circumference	131951955.69813
Area	1.3855487114685E+15

Sphere

Radius = n

Volume	3.8796852924133E+22
Surface area	5.542194845874E+15
Circumference	131951955.69813

Square

Length = n

Perimeter	84003224
Area	441033852649636
Diagonal	29699624.665966

Cube

Length = n

Surface area	2646203115897816
Volume	9.2620663789276E+21
Space diagonal	36374462.991897

Equilateral Triangle

Length = n

Perimeter	63002418
Area	1.9097326016175E+14
Altitude	18187231.495949

Triangular Pyramid

Length = n

Surface area	1.9097326016175E+14
Volume	1.0915449907233E+21
Height	9899874.8886554