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

21681331 (number)

21681331 is an odd 8-digits composite number following 21681330 and preceding 21681332. In scientific notation, it is written as 2.1681331 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 18151560 positive integers (up to 21681331) that are relatively prime to 21681331.

Interesting facts

21681331 has 8 divisors, whose sum is 25355264
The reverse of 21681331 is 13318612
Previous prime number is 43

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	twenty-one million six hundred eighty-one thousand three hundred thirty-one

Notation

Scientific notation	2.1681331 × 10^7
Engineering notation	2.1681331 × 10^6

Prime Factorization of 21681331

Prime Factorization 7 × 43 × 72031

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21681331	Product of the distinct prime numbers

The prime factorization of 21681331 is 7 × 43 × 72031. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 7, 16, 96, 43, 613, 4743, 1352, 5346, 51060, 176240, 943543, 7369, 7670044, 5268299, 4657422, 35092109, 496587020, 5041664638, 709861923

Basic calculations (n = 21681331)

Multiplication

n×y

n×2	43362662
n×3	65043993
n×4	86725324
n×5	108406655

Division

n÷y

n÷2	10840665.5
n÷3	7227110.3333333
n÷3	5420332.75
n÷5	4336266.2

Exponentiation

n^y

n²	470080113931561
n³	1.0191962546668E+22
n⁴	2.2097531351391E+29
n⁵	4.7910389151238E+36

Nth Root

^y√n

²√n	4656.3216168989
³√n	278.84443394311
⁴√n	68.237245085795
⁵√n	29.323593330746

Divisors of 21681331

1, 7, 43, 301, 72031, 504217, 3097333, 21681331

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	-21681330	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 21681331 can be divided by 8 positive divisors. The sum of these divisors (counting 21681331) is 1, the average is 0.125.

Base conversion 21681331

Base	System	Value
2	Binary	1010010101101010010110011
3	Ternary	1111210112012021
4	Quaternary	1102231102303
5	Quinary	21022300311
6	Senary	2052412311
8	Octal	122552263
10	Decimal	21681331
12	Duodecimal	7317097
16	Hexadecimal	14ad4b3
20	Vigesimal	6fa36b
36	Base36	cwpf7

Cryptographic Hash Functions

md5	c434b4e6341a36189fd9ceb00811f2b3
sha1	88251fa082509a4e4c907f2551be35148c637c89
sha256	429a6056c4cf2f4bdc8f64190d25e3c0f27ab1767828efd65595250a377a1af4
sha512	1a603ffd8eca793a015762dc945f622dab0c7d8d24a7911db0161b40641de9cfc4cb151cec8cbe01e0606df214bf1db7fc9ec050206d0db39e1f8d180ffa7059
ripemd-160	526cbc76d755b734025cf19bd6d0b21adf3fb279

21681331 as geometric shapes

Circle

Radius = n

Diameter	43362662
Circumference	136227820.3793
Area	1.476800232526E+15

Sphere

Radius = n

Volume	4.2691992883032E+22
Surface area	5.9072009301042E+15
Circumference	136227820.3793

Square

Length = n

Perimeter	86725324
Area	470080113931561
Diagonal	30662032.3505

Cube

Length = n

Surface area	2820480683589366
Volume	1.0191962546668E+22
Space diagonal	37553166.867718

Equilateral Triangle

Length = n

Perimeter	65043993
Area	2.0355066023931E+14
Altitude	18776583.433859

Triangular Pyramid

Length = n

Surface area	2.0355066023931E+14
Volume	1.201134305058E+21
Height	10220677.450167