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

21255 (number)

21255 is an odd 5-digits composite number following 21254 and preceding 21256. In scientific notation, it is written as 2.1255 × 10^4. The sum of its digits is 15. It has a total of 4 prime factors and 16 positive divisors. There are 10368 positive integers (up to 21255) that are relatively prime to 21255.

Interesting facts

21255 has 16 divisors, whose sum is 36960
The reverse of 21255 is 55212
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 5
Sum of Digits 15
Digital Root 6

Name

Name	twenty-one thousand two hundred fifty-five

Notation

Scientific notation	2.1255 × 10^4
Engineering notation	2.1255 × 10^3

Prime Factorization of 21255

Prime Factorization 3 × 5 × 13 × 109

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	21255	Product of the distinct prime numbers

The prime factorization of 21255 is 3 × 5 × 13 × 109. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 7, 6, 56, 833, 98, 1471, 7862, 8036, 81021, 709765, 398321, 5890064, 6326614, 51901967, 74161627, 848969673, 224289327, 4873945939, 821899566

Basic calculations (n = 21255)

Multiplication

n×y

n×2	42510
n×3	63765
n×4	85020
n×5	106275

Division

n÷y

n÷2	10627.5
n÷3	7085
n÷3	5313.75
n÷5	4251

Exponentiation

n^y

n²	451775025
n³	9602478156375
n⁴	204100673213750625
n⁵	4.3381598091583E+21

Nth Root

^y√n

²√n	145.79094622095
³√n	27.700463528412
⁴√n	12.074392167764
⁵√n	7.3365557465571

Divisors of 21255

1, 3, 5, 13, 15, 39, 65, 109, 195, 327, 545, 1417, 1635, 4251, 7085, 21255

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21254	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21255 can be divided by 16 positive divisors. The sum of these divisors (counting 21255) is 1, the average is 0.0625.

Base conversion 21255

Base	System	Value
2	Binary	101001100000111
3	Ternary	1002011020
4	Quaternary	11030013
5	Quinary	1140010
6	Senary	242223
8	Octal	51407
10	Decimal	21255
12	Duodecimal	10373
16	Hexadecimal	5307
20	Vigesimal	2d2f
36	Base36	gef

Cryptographic Hash Functions

md5	b3b7e214bca4bf6610aa460d9383bda8
sha1	ea551b9d70a18414056b3b882ec42f77d16e7b11
sha256	8fc6c6d6b92c6e573e407fe01e52f41ff5ec5361d1466470c986ea84622fb820
sha512	d74a827115932842a67356c7b831435d34f717c21254174875c0157750047db2caa8f87d6b2164629b42248c5b754ea833f7937da39b4b47627f7ad27c03b735
ripemd-160	be26811ebe58d72972989179d53a1c2c8cc04e5e

21255 as geometric shapes

Circle

Radius = n

Diameter	42510
Circumference	133549.1037041
Area	1419293099.6153

Sphere

Radius = n

Volume	40222766443099
Surface area	5677172398.4614
Circumference	133549.1037041

Square

Length = n

Perimeter	85020
Area	451775025
Diagonal	30059.10926824

Cube

Length = n

Surface area	2710650150
Volume	9602478156375
Space diagonal	36814.739914876

Equilateral Triangle

Length = n

Perimeter	63765
Area	195624324.22267
Altitude	18407.369957438

Triangular Pyramid

Length = n

Surface area	195624324.22267
Volume	1131662903428.1
Height	10019.703089413