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

21000449 (number)

21000449 is an odd 8-digits composite number following 21000448 and preceding 21000450. In scientific notation, it is written as 2.1000449 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 20087364 positive integers (up to 21000449) that are relatively prime to 21000449.

Interesting facts

21000449 has 4 divisors, whose sum is 21913536
The reverse of 21000449 is 94400012
Previous prime number is 23

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2

Name

Name	twenty-one million four hundred forty-nine

Notation

Scientific notation	2.1000449 × 10^7
Engineering notation	2.1000449 × 10^6

Prime Factorization of 21000449

Prime Factorization 23 × 913063

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21000449	Product of the distinct prime numbers

The prime factorization of 21000449 is 23 × 913063. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 4, 76, 2, 170, 579, 9784, 8334, 66084, 50673, 697170, 360353, 4660834, 2406735, 69346364, 54710303, 358016009, 785995374, 7105075830, 2303165505

Basic calculations (n = 21000449)

Multiplication

n×y

n×2	42000898
n×3	63001347
n×4	84001796
n×5	105002245

Division

n÷y

n÷2	10500224.5
n÷3	7000149.6666667
n÷3	5250112.25
n÷5	4200089.8

Exponentiation

n^y

n²	441018858201601
n³	9.261594039701E+21
n⁴	1.9449763328944E+29
n⁵	4.0845376285157E+36

Nth Root

^y√n

²√n	4582.6246846103
³√n	275.89438390498
⁴√n	67.695086118642
⁵√n	29.137059179779

Divisors of 21000449

1, 23, 913063, 21000449

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	-21000448	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 21000449 can be divided by 4 positive divisors. The sum of these divisors (counting 21000449) is 1, the average is 0.25.

Base conversion 21000449

Base	System	Value
2	Binary	1010000000111000100000001
3	Ternary	1110111221012102
4	Quaternary	1100013010001
5	Quinary	20334003244
6	Senary	2030040145
8	Octal	120070401
10	Decimal	21000449
12	Duodecimal	7049055
16	Hexadecimal	1407101
20	Vigesimal	6b5129
36	Base36	ci41t

Cryptographic Hash Functions

md5	c8eb835351154f6ff2dc686b63b2be0b
sha1	463653225d311478c064d62ebd65a4d26cc3a875
sha256	22c84c8844efc3f9cea7805f69951be5fa7ac9efe442ed4eebabc50bb2c1bb4a
sha512	f41b8c2b2d65d09f01b8dff916e241e2099933ca3a9d0971507cab61efad8697513a3030ef06b6ec3e6988df4812ecda78a2bb59aec8868f5e8b195b275d32ee
ripemd-160	31e40c815b9639a3827f9b9f7514bbaf97f8a8e5

21000449 as geometric shapes

Circle

Radius = n

Diameter	42000898
Circumference	131949712.60097
Area	1.3855016050207E+15

Sphere

Radius = n

Volume	3.8794874394207E+22
Surface area	5.5420064200828E+15
Circumference	131949712.60097

Square

Length = n

Perimeter	84001796
Area	441018858201601
Diagonal	29699119.791725

Cube

Length = n

Surface area	2646113149209606
Volume	9.261594039701E+21
Space diagonal	36373844.649759

Equilateral Triangle

Length = n

Perimeter	63001347
Area	1.909667673753E+14
Altitude	18186922.32488

Triangular Pyramid

Length = n

Surface area	1.909667673753E+14
Volume	1.0914893250116E+21
Height	9899706.5972415