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

21000731 (number)

21000731 is an odd 8-digits prime number following 21000730 and preceding 21000732. In scientific notation, it is written as 2.1000731 × 10^7. The sum of its digits is 14. It has a total of 1 prime factors and 2 positive divisors. There are 21000730 positive integers (up to 21000731) that are relatively prime to 21000731.

Interesting facts

21000731 has 2 divisors, whose sum is 21000732
The reverse of 21000731 is 13700012
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 14
Digital Root 5

Name

Name	twenty-one million seven hundred thirty-one

Notation

Scientific notation	2.1000731 × 10^7
Engineering notation	2.1000731 × 10^6

Prime Factorization of 21000731

Prime Factorization 21000731

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21000731	Product of the distinct prime numbers

The prime factorization of 21000731 is 21000731. Since it has a total of 1 prime factors.

Most popular turbo-numbers

1, 3, 50, 4, 400, 539, 4323, 6290, 65406, 42596, 679349, 589270, 2730176, 4367632, 21429413, 16471737, 787069934, 433606492, 2966303174, 9480394676

Basic calculations (n = 21000731)

Multiplication

n×y

n×2	42001462
n×3	63002193
n×4	84002924
n×5	105003655

Division

n÷y

n÷2	10500365.5
n÷3	7000243.6666667
n÷3	5250182.75
n÷5	4200146.2

Exponentiation

n^y

n²	441030702534361
n³	9.2619671466651E+21
n⁴	1.9450808057795E+29
n⁵	4.0848118775439E+36

Nth Root

^y√n

²√n	4582.6554529006
³√n	275.89561882886
⁴√n	67.695313374713
⁵√n	29.137137431501

Divisors of 21000731

1, 21000731

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21000732	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10500366	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4582.6555620077	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999047652	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000731 can be divided by 2 positive divisors. The sum of these divisors (counting 21000731) is 21000732, the average is 10500366.

Base conversion 21000731

Base	System	Value
2	Binary	1010000000111001000011011
3	Ternary	1110111221120212
4	Quaternary	1100013020123
5	Quinary	20334010411
6	Senary	2030041335
8	Octal	120071033
10	Decimal	21000731
12	Duodecimal	704924b
16	Hexadecimal	140721b
20	Vigesimal	6b51gb
36	Base36	ci49n

Cryptographic Hash Functions

md5	822d86abae1cf95c665b4d32698dd57b
sha1	b889c44b87388fbeeea3f8dc5f0eac9ecc68c02f
sha256	7ee1c180e353372747ccb41cc6132b35a5210a2fd60841dd668f95c910d35ce7
sha512	08657c625faf6e78fef7f4ddb5c0dc645e499a09cf872e87b779fbe01d3dded5a4b735c11e6b5c91a234b3414c726dfad139d7ca53b6e83693b216ef6731f559
ripemd-160	0c6568e688a8d2e31f8ddb18c52ddb407105a196

21000731 as geometric shapes

Circle

Radius = n

Diameter	42001462
Circumference	131951484.45923
Area	1.3855388150895E+15

Sphere

Radius = n

Volume	3.8796437261004E+22
Surface area	5.542155260358E+15
Circumference	131951484.45923

Square

Length = n

Perimeter	84002924
Area	441030702534361
Diagonal	29699518.599949

Cube

Length = n

Surface area	2646184215206166
Volume	9.2619671466651E+21
Space diagonal	36374333.088087

Equilateral Triangle

Length = n

Perimeter	63002193
Area	1.9097189612183E+14
Altitude	18187166.544043

Triangular Pyramid

Length = n

Surface area	1.9097189612183E+14
Volume	1.091533296089E+21
Height	9899839.5333164