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

21493821 (number)

21493821 is an odd 8-digits composite number following 21493820 and preceding 21493822. In scientific notation, it is written as 2.1493821 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 14315600 positive integers (up to 21493821) that are relatively prime to 21493821.

Interesting facts

21493821 has 8 divisors, whose sum is 28685664
The reverse of 21493821 is 12839412
Previous prime number is 1301

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

Name	twenty-one million four hundred ninety-three thousand eight hundred twenty-one

Notation

Scientific notation	2.1493821 × 10^7
Engineering notation	2.1493821 × 10^6

Prime Factorization of 21493821

Prime Factorization 3 × 1301 × 5507

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21493821	Product of the distinct prime numbers

The prime factorization of 21493821 is 3 × 1301 × 5507. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 5, 60, 64, 694, 148, 2304, 4213, 87363, 77807, 88009, 47417, 266032, 6403322, 49499748, 43507096, 162428655, 438800948, 7239067823, 4516131662

Basic calculations (n = 21493821)

Multiplication

n×y

n×2	42987642
n×3	64481463
n×4	85975284
n×5	107469105

Division

n÷y

n÷2	10746910.5
n÷3	7164607
n÷3	5373455.25
n÷5	4298764.2

Exponentiation

n^y

n²	461984341180041
n³	9.9298087341267E+21
n⁴	2.1342953149556E+29
n⁵	4.5874161460794E+36

Nth Root

^y√n

²√n	4636.1429011626
³√n	278.03824758856
⁴√n	68.089227497179
⁵√n	29.27269620099

Divisors of 21493821

1, 3, 1301, 3903, 5507, 16521, 7164607, 21493821

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	-21493820	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 21493821 can be divided by 8 positive divisors. The sum of these divisors (counting 21493821) is 1, the average is 0.125.

Base conversion 21493821

Base	System	Value
2	Binary	1010001111111100000111101
3	Ternary	1111102222222110
4	Quaternary	1101333200331
5	Quinary	21000300241
6	Senary	2044404233
8	Octal	121774075
10	Decimal	21493821
12	Duodecimal	7246679
16	Hexadecimal	147f83d
20	Vigesimal	6e6eb1
36	Base36	csoql

Cryptographic Hash Functions

md5	94c870e06fc1cf9ebd77bc1f04ff1fae
sha1	92c70cd524dd164aba81f76a90c6ff02d0dda450
sha256	62189bea9bb8bd6e188dc698f18e3a23df676a74d1110a0fa981adbd57aeb07f
sha512	cd0fc9074ae82708745dc432c28a19b8e59793e4f7fafe3c9aa738dda86b4c96ab16d6180c8984a5e6f05cb7990142a281c66c81fa4c5adad917281e8ab444cb
ripemd-160	38a245f4431853a308b0d9fdfbe72b095dbf49b7

21493821 as geometric shapes

Circle

Radius = n

Diameter	42987642
Circumference	135049660.30235
Area	1.4513666123247E+15

Sphere

Radius = n

Volume	4.1593885560912E+22
Surface area	5.8054664492989E+15
Circumference	135049660.30235

Square

Length = n

Perimeter	85975284
Area	461984341180041
Diagonal	30396853.16542

Cube

Length = n

Surface area	2771906047080246
Volume	9.9298087341267E+21
Space diagonal	37228390.020791

Equilateral Triangle

Length = n

Perimeter	64481463
Area	2.0004508780627E+14
Altitude	18614195.010395

Triangular Pyramid

Length = n

Surface area	2.0004508780627E+14
Volume	1.1702391819644E+21
Height	10132284.388473