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

21491396 (number)

21491396 is an even 8-digits composite number following 21491395 and preceding 21491397. In scientific notation, it is written as 2.1491396 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors. There are 10730472 positive integers (up to 21491396) that are relatively prime to 21491396.

Interesting facts

21491396 has 12 divisors, whose sum is 37663248
The reverse of 21491396 is 69319412
Previous prime number is 787

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8

Name

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

Notation

Scientific notation	2.1491396 × 10^7
Engineering notation	2.1491396 × 10^6

Prime Factorization of 21491396

Prime Factorization 2 × 2 × 787 × 6827

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	10745698	Product of the distinct prime numbers

The prime factorization of 21491396 is 2 × 2 × 787 × 6827. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 1, 87, 40, 708, 244, 8522, 7226, 14072, 5706, 326173, 283745, 2295486, 7745499, 45584830, 78037023, 686520129, 936488295, 4188512963, 7088490497

Basic calculations (n = 21491396)

Multiplication

n×y

n×2	42982792
n×3	64474188
n×4	85965584
n×5	107456980

Division

n÷y

n÷2	10745698
n÷3	7163798.6666667
n÷3	5372849
n÷5	4298279.2

Exponentiation

n^y

n²	461880102028816
n³	9.9264481772217E+21
n⁴	2.1333322865015E+29
n⁵	4.5848288968789E+36

Nth Root

^y√n

²√n	4635.8813617262
³√n	278.02779081421
⁴√n	68.087306906105
⁵√n	29.272035643781

Divisors of 21491396

1, 2, 4, 787, 1574, 3148, 6827, 13654, 27308, 5372849, 10745698, 21491396

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21491395	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21491396 can be divided by 12 positive divisors. The sum of these divisors (counting 21491396) is 1, the average is 0.083333333333333.

Base conversion 21491396

Base	System	Value
2	Binary	1010001111110111011000100
3	Ternary	1111102212122122
4	Quaternary	1101332323010
5	Quinary	21000211041
6	Senary	2044345112
8	Octal	121767304
10	Decimal	21491396
12	Duodecimal	7245198
16	Hexadecimal	147eec4
20	Vigesimal	6e689g
36	Base36	csmv8

Cryptographic Hash Functions

md5	3c926ed1121b7991a98d4f738163a056
sha1	1ca88af920f9afd2ec345c349c0861a09639f812
sha256	af7a46ee4befe4f81818cb312afe0d223d2b455e95bba2e7272d37bfe8cc330c
sha512	7b1cace6857dada362eb0c7adef0425fb590ecba23dacd0bbf89acea037b99aad41f263f5114f45b462e874c353946cdd5a6944294a68f3f5e36e10c7da0c729
ripemd-160	f851f65ec59a42cde7d7598da4c40a548bdcdbbf

21491396 as geometric shapes

Circle

Radius = n

Diameter	42982792
Circumference	135034423.57798
Area	1.451039135373E+15

Sphere

Radius = n

Volume	4.1579808893066E+22
Surface area	5.8041565414921E+15
Circumference	135034423.57798

Square

Length = n

Perimeter	85965584
Area	461880102028816
Diagonal	30393423.697531

Cube

Length = n

Surface area	2771280612172896
Volume	9.9264481772217E+21
Space diagonal	37224189.797583

Equilateral Triangle

Length = n

Perimeter	64474188
Area	1.9999995092975E+14
Altitude	18612094.898791

Triangular Pyramid

Length = n

Surface area	1.9999995092975E+14
Volume	1.1698431365351E+21
Height	10131141.23251