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

21000518 (number)

21000518 is an even 8-digits composite number following 21000517 and preceding 21000519. In scientific notation, it is written as 2.1000518 × 10^7. The sum of its digits is 17. It has a total of 6 prime factors and 40 positive divisors. There are 7826280 positive integers (up to 21000518) that are relatively prime to 21000518.

Interesting facts

21000518 has 40 divisors, whose sum is 39885048
The reverse of 21000518 is 81500012
Previous prime number is 7

Basic properties

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

Name

Name	twenty-one million five hundred eighteen

Notation

Scientific notation	2.1000518 × 10^7
Engineering notation	2.1000518 × 10^6

Prime Factorization of 21000518

Prime Factorization 2 × 161 × 11 × 77 × 7 × 11

Composite number

ω	Distinct Factors	5	Total number of distinct prime factors
Ω	Total Factors	6	Total number of prime factors
rad	Radical	1909138	Product of the distinct prime numbers

The prime factorization of 21000518 is 2 × 161 × 11 × 77 × 7 × 11. Since it has a total of 6 prime factors.

Most popular turbo-numbers

7, 7, 82, 83, 16, 786, 9139, 1558, 57599, 96835, 519371, 309093, 6614171, 8649368, 9356009, 29098458, 309527168, 594367943, 3990811057, 9707757950

Basic calculations (n = 21000518)

Multiplication

n×y

n×2	42001036
n×3	63001554
n×4	84002072
n×5	105002590

Division

n÷y

n÷2	10500259
n÷3	7000172.6666667
n÷3	5250129.5
n÷5	4200103.6

Exponentiation

n^y

n²	441021756268324
n³	9.2616853309046E+21
n⁴	1.94500189502E+29
n⁵	4.0846047306401E+36

Nth Root

^y√n

²√n	4582.6322130409
³√n	275.89468606823
⁴√n	67.695141724062
⁵√n	29.137078326554

Divisors of 21000518

1, 2, 7, 11, 14, 22, 77, 121, 154, 161, 242, 322, 539, 847, 1078, 1127, 1694, 1771, 2254, 3542, 5929, 9317, 11858, 12397, 18634, 19481, 24794, 38962, 65219, 86779, 130438, 136367, 173558, 272734, 954569, 1500037, 1909138, 3000074, 10500259, 21000518

40 divisors

τ	Total Divisors	40	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21000517	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.025	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	40	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000518 can be divided by 40 positive divisors. The sum of these divisors (counting 21000518) is 1, the average is 0.025.

Base conversion 21000518

Base	System	Value
2	Binary	1010000000111000101000110
3	Ternary	1110111221021222
4	Quaternary	1100013011012
5	Quinary	20334004033
6	Senary	2030040342
8	Octal	120070506
10	Decimal	21000518
12	Duodecimal	70490b2
16	Hexadecimal	1407146
20	Vigesimal	6b515i
36	Base36	ci43q

Cryptographic Hash Functions

md5	2a28fde1ecba62be483ca6b7dd1c0468
sha1	6170259d9ed07436bc8a925d8f4eff8eaafb523c
sha256	aa0173563eba9e1feda62cc80713b75e2db124dc370ccf50b783195dfb26dd7c
sha512	c982a9f51c98e348b41dfc0189d4a4e558cd14d8c8693411f4200852da50771742832292287a694d9d44351a16dc2ac9108d93ab87b5ee14b7a7acc2ac80249a
ripemd-160	b0577c5ad8b97a7680939f4b487b2ea52c922caf

21000518 as geometric shapes

Circle

Radius = n

Diameter	42001036
Circumference	131950146.14076
Area	1.3855107095658E+15

Sphere

Radius = n

Volume	3.8795256793907E+22
Surface area	5.5420428382633E+15
Circumference	131950146.14076

Square

Length = n

Perimeter	84002072
Area	441021756268324
Diagonal	29699217.37246

Cube

Length = n

Surface area	2646130537609944
Volume	9.2616853309046E+21
Space diagonal	36373964.161265

Equilateral Triangle

Length = n

Perimeter	63001554
Area	1.90968022275E+14
Altitude	18186982.080632

Triangular Pyramid

Length = n

Surface area	1.90968022275E+14
Volume	1.0915000837831E+21
Height	9899739.1241534