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

21491449 (number)

21491449 is an odd 8-digits composite number following 21491448 and preceding 21491450. In scientific notation, it is written as 2.1491449 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 6 positive divisors. There are 18421200 positive integers (up to 21491449) that are relatively prime to 21491449.

Interesting facts

21491449 has 6 divisors, whose sum is 25000314
The reverse of 21491449 is 94419412
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7

Name

Name	twenty-one million four hundred ninety-one thousand four hundred forty-nine

Notation

Scientific notation	2.1491449 × 10^7
Engineering notation	2.1491449 × 10^6

Prime Factorization of 21491449

Prime Factorization 7 × 7 × 438601

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	3070207	Product of the distinct prime numbers

The prime factorization of 21491449 is 7 × 7 × 438601. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 10, 44, 64, 631, 71, 1431, 5565, 47100, 37883, 171647, 779009, 6258268, 5168054, 33267029, 26692779, 813714168, 782870607, 9280519914, 693936124

Basic calculations (n = 21491449)

Multiplication

n×y

n×2	42982898
n×3	64474347
n×4	85965796
n×5	107457245

Division

n÷y

n÷2	10745724.5
n÷3	7163816.3333333
n÷3	5372862.25
n÷5	4298289.8

Exponentiation

n^y

n²	461882380119601
n³	9.926521616339E+21
n⁴	2.1333533306495E+29
n⁵	4.5848854304633E+36

Nth Root

^y√n

²√n	4635.8870780035
³√n	278.02801936243
⁴√n	68.087348883647
⁵√n	29.272050081339

Divisors of 21491449

1, 7, 49, 438601, 3070207, 21491449

6 divisors

τ	Total Divisors	6	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21491448	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.16666666666667	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	6	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21491449 can be divided by 6 positive divisors. The sum of these divisors (counting 21491449) is 1, the average is 0.16666666666667.

Base conversion 21491449

Base	System	Value
2	Binary	1010001111110111011111001
3	Ternary	1111102212201121
4	Quaternary	1101332323321
5	Quinary	21000211244
6	Senary	2044345241
8	Octal	121767371
10	Decimal	21491449
12	Duodecimal	7245221
16	Hexadecimal	147eef9
20	Vigesimal	6e68c9
36	Base36	csmwp

Cryptographic Hash Functions

md5	544c16bbbf6e0ed3745691dfde6d1686
sha1	aff8c7b435eb7a871f3a691b9c7b49301d97d55f
sha256	16546858d7ea858f886d016a3ea4fd09866d4040182e3b5ad9e79f83605c25ee
sha512	0d36d6174cb984823fee43879c44f5575eb0d309fcab711c1190d9b613586827d7d8f10ee1395db525cb490f5b040ced4d0a9258553d85e141bdd97cef5a900d
ripemd-160	664366a1334b60d8846df0a07d0a34600e8f89a2

21491449 as geometric shapes

Circle

Radius = n

Diameter	42982898
Circumference	135034756.5868
Area	1.4510462922063E+15

Sphere

Radius = n

Volume	4.1580116514121E+22
Surface area	5.8041851688252E+15
Circumference	135034756.5868

Square

Length = n

Perimeter	85965796
Area	461882380119601
Diagonal	30393498.65085

Cube

Length = n

Surface area	2771294280717606
Volume	9.926521616339E+21
Space diagonal	37224281.596275

Equilateral Triangle

Length = n

Perimeter	64474347
Area	2.00000937372E+14
Altitude	18612140.798138

Triangular Pyramid

Length = n

Surface area	2.00000937372E+14
Volume	1.169851791418E+21
Height	10131166.21695