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

21000215 (number)

21000215 is an odd 8-digits composite number following 21000214 and preceding 21000216. In scientific notation, it is written as 2.1000215 × 10^7. The sum of its digits is 11. It has a total of 2 prime factors and 4 positive divisors. There are 16800168 positive integers (up to 21000215) that are relatively prime to 21000215.

Interesting facts

21000215 has 4 divisors, whose sum is 25200264
The reverse of 21000215 is 51200012
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 11
Digital Root 2

Name

Name	twenty-one million two hundred fifteen

Notation

Scientific notation	2.1000215 × 10^7
Engineering notation	2.1000215 × 10^6

Prime Factorization of 21000215

Prime Factorization 5 × 4200043

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21000215	Product of the distinct prime numbers

The prime factorization of 21000215 is 5 × 4200043. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 1, 52, 15, 973, 871, 6657, 3041, 43300, 62893, 752707, 326009, 5797041, 9817032, 97358335, 47067587, 200378477, 540877671, 8246300965, 6122935741

Basic calculations (n = 21000215)

Multiplication

n×y

n×2	42000430
n×3	63000645
n×4	84000860
n×5	105001075

Division

n÷y

n÷2	10500107.5
n÷3	7000071.6666667
n÷3	5250053.75
n÷5	4200043

Exponentiation

n^y

n²	441009030046225
n³	9.2612844479122E+21
n⁴	1.9448896458231E+29
n⁵	4.0843100713559E+36

Nth Root

^y√n

²√n	4582.599153319
³√n	275.89335917251
⁴√n	67.694897542717
⁵√n	29.13699424686

Divisors of 21000215

1, 5, 4200043, 21000215

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	-21000214	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 21000215 can be divided by 4 positive divisors. The sum of these divisors (counting 21000215) is 1, the average is 0.25.

Base conversion 21000215

Base	System	Value
2	Binary	1010000000111000000010111
3	Ternary	1110111220212202
4	Quaternary	1100013000113
5	Quinary	20334001330
6	Senary	2030035115
8	Octal	120070027
10	Decimal	21000215
12	Duodecimal	7048a9b
16	Hexadecimal	1407017
20	Vigesimal	6b50af
36	Base36	ci3vb

Cryptographic Hash Functions

md5	1ee75689530e4ae7c58dff8cd153bf20
sha1	ec368cd483dd417e641fcdcd7cff7b15690d8611
sha256	d654400a99014852616da34467c94927e3cc97f5ddfc0406e6044875a4f879fe
sha512	cadfcfe0ea6f721b5d0eb8fe408773c733a406cfcf1020892fa601e0b6c6a4b27efb58b6b6d186a1b49882e0b4f6b8028568441bc10542d709932c346ac71acc
ripemd-160	15f1c5aafe05e78810d7a9c7f5bd35025e99d636

21000215 as geometric shapes

Circle

Radius = n

Diameter	42000430
Circumference	131948242.33561
Area	1.38547072896E+15

Sphere

Radius = n

Volume	3.8793577579155E+22
Surface area	5.5418829158399E+15
Circumference	131948242.33561

Square

Length = n

Perimeter	84000860
Area	441009030046225
Diagonal	29698788.865751

Cube

Length = n

Surface area	2646054180277350
Volume	9.2612844479122E+21
Space diagonal	36373439.34987

Equilateral Triangle

Length = n

Perimeter	63000645
Area	1.9096251165918E+14
Altitude	18186719.674935

Triangular Pyramid

Length = n

Surface area	1.9096251165918E+14
Volume	1.0914528392694E+21
Height	9899596.2885836