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

21128215 (number)

21128215 is an odd 8-digits composite number following 21128214 and preceding 21128216. In scientific notation, it is written as 2.1128215 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 16851072 positive integers (up to 21128215) that are relatively prime to 21128215.

Interesting facts

21128215 has 8 divisors, whose sum is 25431120
The reverse of 21128215 is 51282112
Previous prime number is 337

Basic properties

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

Name

Name	twenty-one million one hundred twenty-eight thousand two hundred fifteen

Notation

Scientific notation	2.1128215 × 10^7
Engineering notation	2.1128215 × 10^6

Prime Factorization of 21128215

Prime Factorization 5 × 337 × 12539

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21128215	Product of the distinct prime numbers

The prime factorization of 21128215 is 5 × 337 × 12539. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 1, 94, 52, 936, 93, 6887, 3641, 66911, 74567, 361214, 790444, 9465660, 304692, 28677025, 85073164, 148233737, 370676313, 7859745146, 7660645527

Basic calculations (n = 21128215)

Multiplication

n×y

n×2	42256430
n×3	63384645
n×4	84512860
n×5	105641075

Division

n÷y

n÷2	10564107.5
n÷3	7042738.3333333
n÷3	5282053.75
n÷5	4225643

Exponentiation

n^y

n²	446401469086225
n³	9.4316662151696E+21
n⁴	1.9927427160234E+29
n⁵	4.2103096543826E+36

Nth Root

^y√n

²√n	4596.5438102992
³√n	276.45276364992
⁴√n	67.797815674985
⁵√n	29.172426984162

Divisors of 21128215

1, 5, 337, 1685, 12539, 62695, 4225643, 21128215

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	-21128214	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 21128215 can be divided by 8 positive divisors. The sum of these divisors (counting 21128215) is 1, the average is 0.125.

Base conversion 21128215

Base	System	Value
2	Binary	1010000100110010000010111
3	Ternary	1110202102110111
4	Quaternary	1100212100113
5	Quinary	20402100330
6	Senary	2032503451
8	Octal	120462027
10	Decimal	21128215
12	Duodecimal	70aab87
16	Hexadecimal	1426417
20	Vigesimal	6c10af
36	Base36	ckumv

Cryptographic Hash Functions

md5	552b8a552b60d15495a8cccd5fe167d9
sha1	752ee26a8c240fabfdf84ba149584fc365204dc4
sha256	3f7612632595275c19b2c1144bd276977cc17d7ff9200ea966059d881c513efe
sha512	686bb67f15e761ff42c64e08301a32de7e7a06439bea6a24d4430166b3c68b5a8897da8006dc626adff57f8ecf736f44a38dcb5d86679b93aeabdcdbb616beba
ripemd-160	700a7a777f6d03344c0fc8632c88697ef37f725b

21128215 as geometric shapes

Circle

Radius = n

Diameter	42256430
Circumference	132752490.05493
Area	1.402411575833E+15

Sphere

Radius = n

Volume	3.9507271056917E+22
Surface area	5.6096463033319E+15
Circumference	132752490.05493

Square

Length = n

Perimeter	84512860
Area	446401469086225
Diagonal	29879808.201735

Cube

Length = n

Surface area	2678408814517350
Volume	9.4316662151696E+21
Space diagonal	36595141.853239

Equilateral Triangle

Length = n

Perimeter	63384645
Area	1.9329750625768E+14
Altitude	18297570.926619

Triangular Pyramid

Length = n

Surface area	1.9329750625768E+14
Volume	1.1115325231057E+21
Height	9959936.0672449