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

21491049 (number)

21491049 is an odd 8-digits composite number following 21491048 and preceding 21491050. In scientific notation, it is written as 2.1491049 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 14327364 positive integers (up to 21491049) that are relatively prime to 21491049.

Interesting facts

21491049 has 4 divisors, whose sum is 28654736
The reverse of 21491049 is 94019412
Previous prime number is 3

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-one thousand forty-nine

Notation

Scientific notation	2.1491049 × 10^7
Engineering notation	2.1491049 × 10^6

Prime Factorization of 21491049

Prime Factorization 3 × 7163683

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21491049	Product of the distinct prime numbers

The prime factorization of 21491049 is 3 × 7163683. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 5, 67, 94, 347, 860, 531, 6128, 98388, 58371, 610955, 770725, 8884959, 3919637, 34584258, 65197947, 258206797, 435387098, 2466354472, 9549305528

Basic calculations (n = 21491049)

Multiplication

n×y

n×2	42982098
n×3	64473147
n×4	85964196
n×5	107455245

Division

n÷y

n÷2	10745524.5
n÷3	7163683
n÷3	5372762.25
n÷5	4298209.8

Exponentiation

n^y

n²	461865187120401
n³	9.9259673677987E+21
n⁴	2.1331945107376E+29
n⁵	4.5844587756793E+36

Nth Root

^y√n

²√n	4635.8439361135
³√n	278.02629446093
⁴√n	68.08703207009
⁵√n	29.271941117935

Divisors of 21491049

1, 3, 7163683, 21491049

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	-21491048	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 21491049 can be divided by 4 positive divisors. The sum of these divisors (counting 21491049) is 1, the average is 0.25.

Base conversion 21491049

Base	System	Value
2	Binary	1010001111110110101101001
3	Ternary	1111102212011210
4	Quaternary	1101332311221
5	Quinary	21000203144
6	Senary	2044343333
8	Octal	121766551
10	Decimal	21491049
12	Duodecimal	7244b49
16	Hexadecimal	147ed69
20	Vigesimal	6e67c9
36	Base36	csmll

Cryptographic Hash Functions

md5	446141e35dbbc8fada3d47f9892f8bce
sha1	c2020db2862b6c9123e5382f2235b4e05e6f1403
sha256	fef11f4ffa991e5ddeaf33c9a0317680517c27750202536568d052be0ee83f5a
sha512	37fc0f16a75db246428a9a9333ef1847de9038658da9181b68461cf3ad07b9e38cb102b1e4e84b91745d02759b0f137e294039fa180b8851e8f0d2a6a37bcc3d
ripemd-160	6eeb4a389d47754cb2b563fc03f5c6801debf179

21491049 as geometric shapes

Circle

Radius = n

Diameter	42982098
Circumference	135032243.31268
Area	1.4509922788063E+15

Sphere

Radius = n

Volume	4.1577794883265E+22
Surface area	5.8039691152253E+15
Circumference	135032243.31268

Square

Length = n

Perimeter	85964196
Area	461865187120401
Diagonal	30392932.965425

Cube

Length = n

Surface area	2771191122722406
Volume	9.9259673677987E+21
Space diagonal	37223588.775952

Equilateral Triangle

Length = n

Perimeter	64473147
Area	1.9999349258496E+14
Altitude	18611794.387976

Triangular Pyramid

Length = n

Surface area	1.9999349258496E+14
Volume	1.1697864726011E+21
Height	10130977.655142