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

21000685 (number)

21000685 is an odd 8-digits composite number following 21000684 and preceding 21000686. In scientific notation, it is written as 2.1000685 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 16800544 positive integers (up to 21000685) that are relatively prime to 21000685.

Interesting facts

21000685 has 4 divisors, whose sum is 25200828
The reverse of 21000685 is 58600012
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4

Name

Name	twenty-one million six hundred eighty-five

Notation

Scientific notation	2.1000685 × 10^7
Engineering notation	2.1000685 × 10^6

Prime Factorization of 21000685

Prime Factorization 5 × 4200137

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21000685	Product of the distinct prime numbers

The prime factorization of 21000685 is 5 × 4200137. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 1, 71, 81, 608, 798, 5500, 9968, 2128, 50949, 133835, 285524, 1396200, 4580426, 95135325, 72545561, 932065970, 650264975, 9320263311, 8188728996

Basic calculations (n = 21000685)

Multiplication

n×y

n×2	42001370
n×3	63002055
n×4	84002740
n×5	105003425

Division

n÷y

n÷2	10500342.5
n÷3	7000228.3333333
n÷3	5250171.25
n÷5	4200137

Exponentiation

n^y

n²	441028770469225
n³	9.2619062845615E+21
n⁴	1.945063763816E+29
n⁵	4.0847671408813E+36

Nth Root

^y√n

²√n	4582.6504339738
³√n	275.89541738813
⁴√n	67.69527630473
⁵√n	29.137124667093

Divisors of 21000685

1, 5, 4200137, 21000685

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	-21000684	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 21000685 can be divided by 4 positive divisors. The sum of these divisors (counting 21000685) is 1, the average is 0.25.

Base conversion 21000685

Base	System	Value
2	Binary	1010000000111000111101101
3	Ternary	1110111221112011
4	Quaternary	1100013013231
5	Quinary	20334010220
6	Senary	2030041221
8	Octal	120070755
10	Decimal	21000685
12	Duodecimal	7049211
16	Hexadecimal	14071ed
20	Vigesimal	6b51e5
36	Base36	ci48d

Cryptographic Hash Functions

md5	c9e9ed8d134ed1cda7742f10f26bbfc9
sha1	65cdaef6dba6c2f1680f84e19d2d1f294486632a
sha256	1a8be5c54997d104917af0a0667f8eab4c0e28a372a9f9ddc8f87948cf2ad027
sha512	0404a7d8d5e68427444e9d1cbc14d3899c0c557144bc2b9e0a900a52064cac1b8366f9088fc74a030f1659c962ac8b31d59f3032d4cb2e095357aa5156b69f22
ripemd-160	094e09730109c11ab2f683b9f3a8fc16bf32d50e

21000685 as geometric shapes

Circle

Radius = n

Diameter	42001370
Circumference	131951195.43271
Area	1.3855327453279E+15

Sphere

Radius = n

Volume	3.8796182322421E+22
Surface area	5.5421309813114E+15
Circumference	131951195.43271

Square

Length = n

Perimeter	84002740
Area	441028770469225
Diagonal	29699453.546125

Cube

Length = n

Surface area	2646172622815350
Volume	9.2619062845615E+21
Space diagonal	36374253.41375

Equilateral Triangle

Length = n

Perimeter	63002055
Area	1.9097105951308E+14
Altitude	18187126.706875

Triangular Pyramid

Length = n

Surface area	1.9097105951308E+14
Volume	1.0915261234213E+21
Height	9899817.8487084