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

21049894 (number)

21049894 is an even 8-digits composite number following 21049893 and preceding 21049895. In scientific notation, it is written as 2.1049894 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 10524946 positive integers (up to 21049894) that are relatively prime to 21049894.

Interesting facts

21049894 has 4 divisors, whose sum is 31574844
The reverse of 21049894 is 49894012
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1

Name

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

Notation

Scientific notation	2.1049894 × 10^7
Engineering notation	2.1049894 × 10^6

Prime Factorization of 21049894

Prime Factorization 2 × 10524947

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21049894	Product of the distinct prime numbers

The prime factorization of 21049894 is 2 × 10524947. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 6, 67, 3, 813, 646, 5919, 8537, 78359, 73727, 459927, 732976, 9744990, 2204121, 524662, 29282780, 69998433, 405239917, 7886901014, 1752607346

Basic calculations (n = 21049894)

Multiplication

n×y

n×2	42099788
n×3	63149682
n×4	84199576
n×5	105249470

Division

n÷y

n÷2	10524947
n÷3	7016631.3333333
n÷3	5262473.5
n÷5	4209978.8

Exponentiation

n^y

n²	443098037411236
n³	9.3271667191146E+21
n⁴	1.9633587075769E+29
n⁵	4.1328492678471E+36

Nth Root

^y√n

²√n	4588.016346963
³√n	276.11074285893
⁴√n	67.734897556304
⁵√n	29.150766762753

Divisors of 21049894

1, 2, 10524947, 21049894

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	-21049893	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 21049894 can be divided by 4 positive divisors. The sum of these divisors (counting 21049894) is 1, the average is 0.25.

Base conversion 21049894

Base	System	Value
2	Binary	1010000010011001000100110
3	Ternary	1110121110000201
4	Quaternary	1100103020212
5	Quinary	20342044034
6	Senary	2031101114
8	Octal	120231046
10	Decimal	21049894
12	Duodecimal	707179a
16	Hexadecimal	1413226
20	Vigesimal	6bb4ee
36	Base36	cj67a

Cryptographic Hash Functions

md5	b00e6c2d4234bf21d2f1b44426c689df
sha1	6246c5af81838dde174f0b9a6112199e798f9a9e
sha256	2d13926e502fc8a5f14e2c3c4c0583d2a53f01a9f99dd2e119a2981451957783
sha512	e8a5f04f29a06855d5603693cf2142e6f0734999e66a0aa25207216e898ce7f710bd8990df0a3201ae2070bcac9ae40ae908e69e5f5287333df2e1235c5e4857
ripemd-160	6bea977236711f2d38213aa34ce4529c3ffa3b54

21049894 as geometric shapes

Circle

Radius = n

Diameter	42099788
Circumference	132260384.69849
Area	1.3920335391512E+15

Sphere

Radius = n

Volume	3.9069544591437E+22
Surface area	5.5681341566048E+15
Circumference	132260384.69849

Square

Length = n

Perimeter	84199576
Area	443098037411236
Diagonal	29769045.581316

Cube

Length = n

Surface area	2658588224467416
Volume	9.3271667191146E+21
Space diagonal	36459485.901939

Equilateral Triangle

Length = n

Perimeter	63149682
Area	1.9186707838258E+14
Altitude	18229742.95097

Triangular Pyramid

Length = n

Surface area	1.9186707838258E+14
Volume	1.0992171393906E+21
Height	9923015.193772