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

21000257 (number)

21000257 is an odd 8-digits composite number following 21000256 and preceding 21000258. In scientific notation, it is written as 2.1000257 × 10^7. The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors. There are 20991060 positive integers (up to 21000257) that are relatively prime to 21000257.

Interesting facts

21000257 has 4 divisors, whose sum is 21009456
The reverse of 21000257 is 75200012
Previous prime number is 4211

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8

Name

Name	twenty-one million two hundred fifty-seven

Notation

Scientific notation	2.1000257 × 10^7
Engineering notation	2.1000257 × 10^6

Prime Factorization of 21000257

Prime Factorization 4211 × 4987

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21000257	Product of the distinct prime numbers

The prime factorization of 21000257 is 4211 × 4987. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 1, 44, 6, 623, 653, 4777, 5552, 61725, 7317, 829060, 641616, 4658750, 7875586, 35219324, 37705932, 254767455, 616138552, 7562632803, 2673713856

Basic calculations (n = 21000257)

Multiplication

n×y

n×2	42000514
n×3	63000771
n×4	84001028
n×5	105001285

Division

n÷y

n÷2	10500128.5
n÷3	7000085.6666667
n÷3	5250064.25
n÷5	4200051.4

Exponentiation

n^y

n²	441010794066049
n³	9.2613400151611E+21
n⁴	1.9449052048277E+29
n⁵	4.0843509142019E+36

Nth Root

^y√n

²√n	4582.6037358689
³√n	275.89354309942
⁴√n	67.694931389794
⁵√n	29.137005901529

Divisors of 21000257

1, 4211, 4987, 21000257

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	-21000256	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 21000257 can be divided by 4 positive divisors. The sum of these divisors (counting 21000257) is 1, the average is 0.25.

Base conversion 21000257

Base	System	Value
2	Binary	1010000000111000001000001
3	Ternary	1110111220221022
4	Quaternary	1100013001001
5	Quinary	20334002012
6	Senary	2030035225
8	Octal	120070101
10	Decimal	21000257
12	Duodecimal	7048b15
16	Hexadecimal	1407041
20	Vigesimal	6b50ch
36	Base36	ci3wh

Cryptographic Hash Functions

md5	00e237dae756bfcbb9b55a794cacf7ab
sha1	8cd6d014ca4cf4bd82a5efb8c7dc8c94e2adeff2
sha256	462a4009c303a08e82466b033e3c83ca1994840cd947e02bc14e48a30526bc0a
sha512	3f2def6c39d1b45954c46955a54275b1f6e1140e469f7dd0fc8b54d5a74a554914b4a6fcfcd36832ec0499b98bf551164ae22fa4f8aa7094bacc0d0936654807
ripemd-160	4a4c124f8245a06012a487c49a72940e018d5e17

21000257 as geometric shapes

Circle

Radius = n

Diameter	42000514
Circumference	131948506.2294
Area	1.3854762707917E+15

Sphere

Radius = n

Volume	3.8793810338703E+22
Surface area	5.5419050831668E+15
Circumference	131948506.2294

Square

Length = n

Perimeter	84001028
Area	441010794066049
Diagonal	29698848.262721

Cube

Length = n

Surface area	2646064764396294
Volume	9.2613400151611E+21
Space diagonal	36373512.096004

Equilateral Triangle

Length = n

Perimeter	63000771
Area	1.9096327550217E+14
Altitude	18186756.048002

Triangular Pyramid

Length = n

Surface area	1.9096327550217E+14
Volume	1.0914593879325E+21
Height	9899616.0875735