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

21685513 (number)

21685513 is an odd 8-digits prime number following 21685512 and preceding 21685514. In scientific notation, it is written as 2.1685513 × 10^7. The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors. There are 21685512 positive integers (up to 21685513) that are relatively prime to 21685513.

Interesting facts

21685513 has 2 divisors, whose sum is 21685514
The reverse of 21685513 is 31558612
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	twenty-one million six hundred eighty-five thousand five hundred thirteen

Notation

Scientific notation	2.1685513 × 10^7
Engineering notation	2.1685513 × 10^6

Prime Factorization of 21685513

Prime Factorization 21685513

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21685513	Product of the distinct prime numbers

The prime factorization of 21685513 is 21685513. Since it has a total of 1 prime factors.

Most popular turbo-numbers

7, 10, 44, 50, 95, 314, 3212, 4513, 57285, 86338, 346530, 741434, 7463200, 8693028, 14898156, 15715852, 971343394, 725284977, 2657480120, 8762523771

Basic calculations (n = 21685513)

Multiplication

n×y

n×2	43371026
n×3	65056539
n×4	86742052
n×5	108427565

Division

n÷y

n÷2	10842756.5
n÷3	7228504.3333333
n÷3	5421378.25
n÷5	4337102.6

Exponentiation

n^y

n²	470261474073169
n³	1.0197861309413E+22
n⁴	2.2114585399747E+29
n⁵	4.7956612917582E+36

Nth Root

^y√n

²√n	4656.7706621649
³√n	278.86236107828
⁴√n	68.240535330293
⁵√n	29.324724458784

Divisors of 21685513

1, 21685513

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21685514	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10842757	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4656.7707695355	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999077725	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21685513 can be divided by 2 positive divisors. The sum of these divisors (counting 21685513) is 21685514, the average is 10842757.

Base conversion 21685513

Base	System	Value
2	Binary	1010010101110010100001001
3	Ternary	1111210201221011
4	Quaternary	1102232110021
5	Quinary	21022414023
6	Senary	2052443521
8	Octal	122562411
10	Decimal	21685513
12	Duodecimal	73195a1
16	Hexadecimal	14ae509
20	Vigesimal	6fadfd
36	Base36	cwsnd

Cryptographic Hash Functions

md5	f10388b959e9e47d688a7659e27fc9e0
sha1	a167ee59c487985908211fdddb18b7b9def0b862
sha256	ebfe40fd9d70ce8b3bed17c3484d3f222c26a0fe51be24384b040e57c8cd814e
sha512	60c17429a580a62365f83524d9d610a29cbc24468a7cc81bbc57f9bc66cf92206956563d8ea20df684bffaa4754f7d3274a83568b4155e7be6bc0da4c36fa920
ripemd-160	fe504428503ad5dcae0a21773e6f310fb0ac66ca

21685513 as geometric shapes

Circle

Radius = n

Diameter	43371026
Circumference	136254096.66025
Area	1.4773699922146E+15

Sphere

Radius = n

Volume	4.2716701562639E+22
Surface area	5.9094799688583E+15
Circumference	136254096.66025

Square

Length = n

Perimeter	86742052
Area	470261474073169
Diagonal	30667946.591618

Cube

Length = n

Surface area	2821568844439014
Volume	1.0197861309413E+22
Space diagonal	37560410.304195

Equilateral Triangle

Length = n

Perimeter	65056539
Area	2.0362919148424E+14
Altitude	18780205.152098

Triangular Pyramid

Length = n

Surface area	2.0362919148424E+14
Volume	1.2018294809143E+21
Height	10222648.863873