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

21000686 (number)

21000686 is an even 8-digits composite number following 21000685 and preceding 21000687. In scientific notation, it is written as 2.1000686 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors. There are 8985600 positive integers (up to 21000686) that are relatively prime to 21000686.

Interesting facts

21000686 has 16 divisors, whose sum is 36060000
The reverse of 21000686 is 68600012
Previous prime number is 1249

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5

Name

Name	twenty-one million six hundred eighty-six

Notation

Scientific notation	2.1000686 × 10^7
Engineering notation	2.1000686 × 10^6

Prime Factorization of 21000686

Prime Factorization 2 × 7 × 1249 × 1201

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	21000686	Product of the distinct prime numbers

The prime factorization of 21000686 is 2 × 7 × 1249 × 1201. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 10, 66, 100, 638, 396, 2772, 9667, 7776, 85890, 403591, 12341, 384532, 4048513, 54090615, 61522924, 991070986, 335044183, 5361218522, 7407099935

Basic calculations (n = 21000686)

Multiplication

n×y

n×2	42001372
n×3	63002058
n×4	84002744
n×5	105003430

Division

n÷y

n÷2	10500343
n÷3	7000228.6666667
n÷3	5250171.5
n÷5	4200137.2

Exponentiation

n^y

n²	441028812470596
n³	9.2619076076479E+21
n⁴	1.9450641342922E+29
n⁵	4.0847681134133E+36

Nth Root

^y√n

²√n	4582.6505430809
³√n	275.89542176728
⁴√n	67.6952771106
⁵√n	29.137124944581

Divisors of 21000686

1, 2, 7, 14, 1201, 1249, 2402, 2498, 8407, 8743, 16814, 17486, 1500049, 3000098, 10500343, 21000686

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21000685	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000686 can be divided by 16 positive divisors. The sum of these divisors (counting 21000686) is 1, the average is 0.0625.

Base conversion 21000686

Base	System	Value
2	Binary	1010000000111000111101110
3	Ternary	1110111221112012
4	Quaternary	1100013013232
5	Quinary	20334010221
6	Senary	2030041222
8	Octal	120070756
10	Decimal	21000686
12	Duodecimal	7049212
16	Hexadecimal	14071ee
20	Vigesimal	6b51e6
36	Base36	ci48e

Cryptographic Hash Functions

md5	97e07c9f22a04dd19d6848813af0d91c
sha1	6a5f3d2b0ea44af931e45fd0c54d89da497a609e
sha256	2fe5872f6646bd79c4e5edaee769445d82a875ba4015c8d9fdb4c895ea0e7b7a
sha512	e9b20573532b98a1736f2110fabdbc42592ef868b88cf9e25dcc833e0cb37680fba8cac5de4d177af535bad903cf0e9129bd57a7ae54847a578d7e5bde67fce1
ripemd-160	0e80155a6b24c5aeaaff130273fb1dbaf67d96c4

21000686 as geometric shapes

Circle

Radius = n

Diameter	42001372
Circumference	131951201.71589
Area	1.3855328772791E+15

Sphere

Radius = n

Volume	3.8796187864552E+22
Surface area	5.5421315091162E+15
Circumference	131951201.71589

Square

Length = n

Perimeter	84002744
Area	441028812470596
Diagonal	29699454.960339

Cube

Length = n

Surface area	2646172874823576
Volume	9.2619076076479E+21
Space diagonal	36374255.1458

Equilateral Triangle

Length = n

Perimeter	63002058
Area	1.9097107770021E+14
Altitude	18187127.5729

Triangular Pyramid

Length = n

Surface area	1.9097107770021E+14
Volume	1.0915262793485E+21
Height	9899818.3201129