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

21000427 (number)

21000427 is an odd 8-digits composite number following 21000426 and preceding 21000428. In scientific notation, it is written as 2.1000427 × 10^7. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 18000360 positive integers (up to 21000427) that are relatively prime to 21000427.

Interesting facts

21000427 has 4 divisors, whose sum is 24000496
The reverse of 21000427 is 72400012
Previous prime number is 7

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 twenty-seven

Notation

Scientific notation	2.1000427 × 10^7
Engineering notation	2.1000427 × 10^6

Prime Factorization of 21000427

Prime Factorization 7 × 3000061

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21000427	Product of the distinct prime numbers

The prime factorization of 21000427 is 7 × 3000061. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 6, 71, 61, 16, 450, 8473, 2808, 27430, 50913, 799990, 374360, 1121604, 7401995, 59425669, 76501476, 811752916, 519696114, 6462210112, 5688589371

Basic calculations (n = 21000427)

Multiplication

n×y

n×2	42000854
n×3	63001281
n×4	84001708
n×5	105002135

Division

n÷y

n÷2	10500213.5
n÷3	7000142.3333333
n÷3	5250106.75
n÷5	4200085.4

Exponentiation

n^y

n²	441017934182329
n³	9.2615649324868E+21
n⁴	1.9449681827045E+29
n⁵	4.0845162338208E+36

Nth Root

^y√n

²√n	4582.6222842386
³√n	275.89428756294
⁴√n	67.695068389349
⁵√n	29.137053074999

Divisors of 21000427

1, 7, 3000061, 21000427

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	-21000426	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 21000427 can be divided by 4 positive divisors. The sum of these divisors (counting 21000427) is 1, the average is 0.25.

Base conversion 21000427

Base	System	Value
2	Binary	1010000000111000011101011
3	Ternary	1110111221011121
4	Quaternary	1100013003223
5	Quinary	20334003202
6	Senary	2030040111
8	Octal	120070353
10	Decimal	21000427
12	Duodecimal	7049037
16	Hexadecimal	14070eb
20	Vigesimal	6b5117
36	Base36	ci417

Cryptographic Hash Functions

md5	9b5fd780a6ccf5af0681a45996af06aa
sha1	750d1a46eb2a8fc044f679d1e12e3ee6beca8c5d
sha256	9447c34b55ddbf28b7886a3cbb47e087b89620aab7c72c7ff9deebd07e28832e
sha512	f6d74eca328484d0fe06b5a0da2b47a2a0145faa0fba52fff0caefc05ed667dce07093f05b03a1b50f62d19d0843bc91462335c5d02adf910083982befdb6114
ripemd-160	6d1b9b1f7c83e3f7225079c0943f96897c79643a

21000427 as geometric shapes

Circle

Radius = n

Diameter	42000854
Circumference	131949574.3709
Area	1.3854987021286E+15

Sphere

Radius = n

Volume	3.8794752470194E+22
Surface area	5.5419948085142E+15
Circumference	131949574.3709

Square

Length = n

Perimeter	84001708
Area	441017934182329
Diagonal	29699088.679026

Cube

Length = n

Surface area	2646107605093974
Volume	9.2615649324868E+21
Space diagonal	36373806.544641

Equilateral Triangle

Length = n

Perimeter	63001281
Area	1.9096636726322E+14
Altitude	18186903.272321

Triangular Pyramid

Length = n

Surface area	1.9096636726322E+14
Volume	1.0914858946935E+21
Height	9899696.226342