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

21000445 (number)

21000445 is an odd 8-digits composite number following 21000444 and preceding 21000446. In scientific notation, it is written as 2.1000445 × 10^7. The sum of its digits is 16. It has a total of 3 prime factors and 8 positive divisors. There are 16726080 positive integers (up to 21000445) that are relatively prime to 21000445.

Interesting facts

21000445 has 8 divisors, whose sum is 25311960
The reverse of 21000445 is 54400012
Previous prime number is 229

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7

Name

Name	twenty-one million four hundred forty-five

Notation

Scientific notation	2.1000445 × 10^7
Engineering notation	2.1000445 × 10^6

Prime Factorization of 21000445

Prime Factorization 5 × 229 × 18341

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21000445	Product of the distinct prime numbers

The prime factorization of 21000445 is 5 × 229 × 18341. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 1, 45, 47, 130, 439, 3920, 5247, 86543, 78965, 2141, 102289, 2570599, 3104089, 21156038, 26146980, 197394581, 315072313, 1973450111, 2982841832

Basic calculations (n = 21000445)

Multiplication

n×y

n×2	42000890
n×3	63001335
n×4	84001780
n×5	105002225

Division

n÷y

n÷2	10500222.5
n÷3	7000148.3333333
n÷3	5250111.25
n÷5	4200089

Exponentiation

n^y

n²	441018690198025
n³	9.2615887474757E+21
n⁴	1.9449748510398E+29
n⁵	4.0845337385645E+36

Nth Root

^y√n

²√n	4582.6242481792
³√n	275.89436638825
⁴√n	67.695082895135
⁵√n	29.137058069819

Divisors of 21000445

1, 5, 229, 1145, 18341, 91705, 4200089, 21000445

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21000444	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000445 can be divided by 8 positive divisors. The sum of these divisors (counting 21000445) is 1, the average is 0.125.

Base conversion 21000445

Base	System	Value
2	Binary	1010000000111000011111101
3	Ternary	1110111221012021
4	Quaternary	1100013003331
5	Quinary	20334003240
6	Senary	2030040141
8	Octal	120070375
10	Decimal	21000445
12	Duodecimal	7049051
16	Hexadecimal	14070fd
20	Vigesimal	6b5125
36	Base36	ci41p

Cryptographic Hash Functions

md5	c0c842e4e5b7a1c838964b2b9ffe44ef
sha1	4800d6c1fa6f9894752b39bc961a1f1b6493a367
sha256	5280697240cc5acfb2de92adfbb8b31fd99ed5505a64b2e03811257a1fd19efc
sha512	09bee045bef93b178f152b2df8aa13830118179d529566cb65cac408af9cedd9ddd474c3336b2830df9c0573eebcbde08c31d907c3e6e32a438544fd9eb79f98
ripemd-160	4aa83b6bcdd88c11f6cb2b330030dc37bc722b24

21000445 as geometric shapes

Circle

Radius = n

Diameter	42000890
Circumference	131949687.46823
Area	1.3855010772219E+15

Sphere

Radius = n

Volume	3.8794852226186E+22
Surface area	5.5420043088876E+15
Circumference	131949687.46823

Square

Length = n

Perimeter	84001780
Area	441018690198025
Diagonal	29699114.13487

Cube

Length = n

Surface area	2646112141188150
Volume	9.2615887474757E+21
Space diagonal	36373837.721556

Equilateral Triangle

Length = n

Perimeter	63001335
Area	1.9096669462761E+14
Altitude	18186918.860778

Triangular Pyramid

Length = n

Surface area	1.9096669462761E+14
Volume	1.0914887013168E+21
Height	9899704.7116234