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

21000838 (number)

21000838 is an even 8-digits composite number following 21000837 and preceding 21000839. In scientific notation, it is written as 2.1000838 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 10486896 positive integers (up to 21000838) that are relatively prime to 21000838.

Interesting facts

21000838 has 8 divisors, whose sum is 31541832
The reverse of 21000838 is 83800012
Previous prime number is 827

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4

Name

Name	twenty-one million eight hundred thirty-eight

Notation

Scientific notation	2.1000838 × 10^7
Engineering notation	2.1000838 × 10^6

Prime Factorization of 21000838

Prime Factorization 2 × 827 × 12697

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21000838	Product of the distinct prime numbers

The prime factorization of 21000838 is 2 × 827 × 12697. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 6, 70, 34, 994, 300, 763, 2876, 50819, 26555, 499918, 452236, 6773938, 2963921, 91254861, 49894747, 909636468, 120836816, 8200945085, 8284138560

Basic calculations (n = 21000838)

Multiplication

n×y

n×2	42001676
n×3	63002514
n×4	84003352
n×5	105004190

Division

n÷y

n÷2	10500419
n÷3	7000279.3333333
n÷3	5250209.5
n÷5	4200167.6

Exponentiation

n^y

n²	441035196702244
n³	9.262108718242E+21
n⁴	1.9451204473019E+29
n⁵	4.0849159404274E+36

Nth Root

^y√n

²√n	4582.6671273397
³√n	275.89608739638
⁴√n	67.695399602482
⁵√n	29.137167122538

Divisors of 21000838

1, 2, 827, 1654, 12697, 25394, 10500419, 21000838

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21000837	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000838 can be divided by 8 positive divisors. The sum of these divisors (counting 21000838) is 1, the average is 0.125.

Base conversion 21000838

Base	System	Value
2	Binary	1010000000111001010000110
3	Ternary	1110111221201211
4	Quaternary	1100013022012
5	Quinary	20334011323
6	Senary	2030042034
8	Octal	120071206
10	Decimal	21000838
12	Duodecimal	704931a
16	Hexadecimal	1407286
20	Vigesimal	6b521i
36	Base36	ci4cm

Cryptographic Hash Functions

md5	fa62625b677611f66193e57c1aca1c4b
sha1	b11f816a4b0ef4ee29c4f3dac7a6eebcc0d70451
sha256	69a073fe8bc1a219c560c1e0c02ff5f4452ecc693f1b1d4dcdde40920e0e1649
sha512	ff4ca75b32ccfb107d3e7517f9229b5343e7573f6710cf6f267c44dc317a38995f1fe338fba4348667a0aeedcf182fef5543483bd5abca183c323d504ab8ee78
ripemd-160	1be07c9db22343378feeff3b322b95f51effd393

21000838 as geometric shapes

Circle

Radius = n

Diameter	42001676
Circumference	131952156.76006
Area	1.3855529339343E+15

Sphere

Radius = n

Volume	3.8797030274639E+22
Surface area	5.5422117357372E+15
Circumference	131952156.76006

Square

Length = n

Perimeter	84003352
Area	441035196702244
Diagonal	29699669.9208

Cube

Length = n

Surface area	2646211180213464
Volume	9.262108718242E+21
Space diagonal	36374518.417523

Equilateral Triangle

Length = n

Perimeter	63002514
Area	1.9097384215361E+14
Altitude	18187259.208762

Triangular Pyramid

Length = n

Surface area	1.9097384215361E+14
Volume	1.0915499804593E+21
Height	9899889.9736001