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

21000691 (number)

21000691 is an odd 8-digits composite number following 21000690 and preceding 21000692. In scientific notation, it is written as 2.1000691 × 10^7. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 20912584 positive integers (up to 21000691) that are relatively prime to 21000691.

Interesting facts

21000691 has 4 divisors, whose sum is 21088800
The reverse of 21000691 is 19600012
Previous prime number is 239

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1

Name

Name	twenty-one million six hundred ninety-one

Notation

Scientific notation	2.1000691 × 10^7
Engineering notation	2.1000691 × 10^6

Prime Factorization of 21000691

Prime Factorization 239 × 87869

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21000691	Product of the distinct prime numbers

The prime factorization of 21000691 is 239 × 87869. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 7, 2, 6, 151, 861, 7423, 169, 40742, 89035, 622440, 12670, 328304, 9541376, 87158934, 10684486, 842532405, 828996074, 7535712069, 9982949662

Basic calculations (n = 21000691)

Multiplication

n×y

n×2	42001382
n×3	63002073
n×4	84002764
n×5	105003455

Division

n÷y

n÷2	10500345.5
n÷3	7000230.3333333
n÷3	5250172.75
n÷5	4200138.2

Exponentiation

n^y

n²	441029022477481
n³	9.2619142230816E+21
n⁴	1.9450659866744E+29
n⁵	4.084772976076E+36

Nth Root

^y√n

²√n	4582.6510886167
³√n	275.89544366303
⁴√n	67.695281139949
⁵√n	29.137126332017

Divisors of 21000691

1, 239, 87869, 21000691

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	-21000690	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 21000691 can be divided by 4 positive divisors. The sum of these divisors (counting 21000691) is 1, the average is 0.25.

Base conversion 21000691

Base	System	Value
2	Binary	1010000000111000111110011
3	Ternary	1110111221112101
4	Quaternary	1100013013303
5	Quinary	20334010231
6	Senary	2030041231
8	Octal	120070763
10	Decimal	21000691
12	Duodecimal	7049217
16	Hexadecimal	14071f3
20	Vigesimal	6b51eb
36	Base36	ci48j

Cryptographic Hash Functions

md5	9cada7fcdd346bb81f89890ee495814c
sha1	ed98c0ebbe29949367a85cbbcf4b645b315889d5
sha256	d87828d797f789b3d3d392851ba78621db0a4e1a7800104a7131547072097010
sha512	76d9aef14f427bde77943ea526f4752d1686c029b6b7e18caa649aa4d1c0c728d4eb13055148d3dac1a73c209f47fa51f8c341d7067f5669d0ff72c21e0a89e8
ripemd-160	56c89d330654b8a8774c1293cdd1a2f883f2fd08

21000691 as geometric shapes

Circle

Radius = n

Diameter	42001382
Circumference	131951233.13182
Area	1.3855335370351E+15

Sphere

Radius = n

Volume	3.8796215575216E+22
Surface area	5.5421341481406E+15
Circumference	131951233.13182

Square

Length = n

Perimeter	84002764
Area	441029022477481
Diagonal	29699462.031407

Cube

Length = n

Surface area	2646174134864886
Volume	9.2619142230816E+21
Space diagonal	36374263.806054

Equilateral Triangle

Length = n

Perimeter	63002073
Area	1.9097116863586E+14
Altitude	18187131.903027

Triangular Pyramid

Length = n

Surface area	1.9097116863586E+14
Volume	1.0915270589849E+21
Height	9899820.6771355