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

21493811 (number)

21493811 is an odd 8-digits prime number following 21493810 and preceding 21493812. In scientific notation, it is written as 2.1493811 × 10^7. The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors. There are 21493810 positive integers (up to 21493811) that are relatively prime to 21493811.

Interesting facts

21493811 has 2 divisors, whose sum is 21493812
The reverse of 21493811 is 11839412
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

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

Notation

Scientific notation	2.1493811 × 10^7
Engineering notation	2.1493811 × 10^6

Prime Factorization of 21493811

Prime Factorization 21493811

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21493811	Product of the distinct prime numbers

The prime factorization of 21493811 is 21493811. Since it has a total of 1 prime factors.

Most popular turbo-numbers

10, 2, 62, 48, 268, 794, 4245, 6673, 69136, 42989, 365438, 332299, 5535794, 8016664, 69179528, 15843558, 611632328, 820797880, 7095068739, 1958312746

Basic calculations (n = 21493811)

Multiplication

n×y

n×2	42987622
n×3	64481433
n×4	85975244
n×5	107469055

Division

n÷y

n÷2	10746905.5
n÷3	7164603.6666667
n÷3	5373452.75
n÷5	4298762.2

Exponentiation

n^y

n²	461983911303721
n³	9.9297948746029E+21
n⁴	2.1342913430348E+29
n⁵	4.5874054746127E+36

Nth Root

^y√n

²√n	4636.1418226797
³√n	278.03820446946
⁴√n	68.089219577549
⁵√n	29.272693477165

Divisors of 21493811

1, 21493811

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21493812	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10746906	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4636.141930528	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.99999990695	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21493811 can be divided by 2 positive divisors. The sum of these divisors (counting 21493811) is 21493812, the average is 10746906.

Base conversion 21493811

Base	System	Value
2	Binary	1010001111111100000110011
3	Ternary	1111102222222002
4	Quaternary	1101333200303
5	Quinary	21000300221
6	Senary	2044404215
8	Octal	121774063
10	Decimal	21493811
12	Duodecimal	724666b
16	Hexadecimal	147f833
20	Vigesimal	6e6eab
36	Base36	csoqb

Cryptographic Hash Functions

md5	00aa764f53b40a59b07cefdb3c7312ad
sha1	634d3d8e27a86fb13388e3c7751e57877ecc3d9d
sha256	2684839f6ad6080fb35433fb7bf3e072b931e5a8ae271d00d8ce3babe963f2fd
sha512	7cf429cd293750032497b6d86824bf2a5d176b9a273948dbb08647a073a01e0091ee6c2b36c39c823fecfc1c920b187d9cdf98e1c09b23a8798d1bb36479d6f4
ripemd-160	a8277c32ee4bec09d1d939ff7492256e93194c32

21493811 as geometric shapes

Circle

Radius = n

Diameter	42987622
Circumference	135049597.47049
Area	1.4513652618284E+15

Sphere

Radius = n

Volume	4.1593827506275E+22
Surface area	5.8054610473138E+15
Circumference	135049597.47049

Square

Length = n

Perimeter	85975244
Area	461983911303721
Diagonal	30396839.023284

Cube

Length = n

Surface area	2771903467822326
Volume	9.9297948746029E+21
Space diagonal	37228372.700283

Equilateral Triangle

Length = n

Perimeter	64481433
Area	2.0004490166436E+14
Altitude	18614186.350141

Triangular Pyramid

Length = n

Surface area	2.0004490166436E+14
Volume	1.1702375486039E+21
Height	10132279.674428