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

21682721 (number)

21682721 is an odd 8-digits composite number following 21682720 and preceding 21682722. In scientific notation, it is written as 2.1682721 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 20739972 positive integers (up to 21682721) that are relatively prime to 21682721.

Interesting facts

21682721 has 4 divisors, whose sum is 22625472
The reverse of 21682721 is 12728612
Previous prime number is 23

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

Name	twenty-one million six hundred eighty-two thousand seven hundred twenty-one

Notation

Scientific notation	2.1682721 × 10^7
Engineering notation	2.1682721 × 10^6

Prime Factorization of 21682721

Prime Factorization 23 × 942727

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21682721	Product of the distinct prime numbers

The prime factorization of 21682721 is 23 × 942727. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 6, 90, 10, 322, 984, 4437, 6460, 68024, 73956, 600250, 337691, 8901228, 1728444, 13953165, 17248578, 550393027, 121525149, 5720747051, 153040058

Basic calculations (n = 21682721)

Multiplication

n×y

n×2	43365442
n×3	65048163
n×4	86730884
n×5	108413605

Division

n÷y

n÷2	10841360.5
n÷3	7227573.6666667
n÷3	5420680.25
n÷5	4336544.2

Exponentiation

n^y

n²	470140389963841
n³	1.0193922906417E+22
n⁴	2.2103198627535E+29
n⁵	4.7925748904843E+36

Nth Root

^y√n

²√n	4656.4708739559
³√n	278.85039276364
⁴√n	68.238338739714
⁵√n	29.323969310888

Divisors of 21682721

1, 23, 942727, 21682721

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	-21682720	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 21682721 can be divided by 4 positive divisors. The sum of these divisors (counting 21682721) is 1, the average is 0.25.

Base conversion 21682721

Base	System	Value
2	Binary	1010010101101101000100001
3	Ternary	1111210121002202
4	Quaternary	1102231220201
5	Quinary	21022321341
6	Senary	2052422545
8	Octal	122555041
10	Decimal	21682721
12	Duodecimal	7317a55
16	Hexadecimal	14ada21
20	Vigesimal	6fa6g1
36	Base36	cwqht

Cryptographic Hash Functions

md5	0408999aa60586a2e4fb73be27b92809
sha1	4cf7304a73019e2925de853f72762d1325ad7778
sha256	a78c8c528c38113b5f6c85573a2c079b3f01761d9943e0f2c1a6412a72ce9aa7
sha512	9156c0477fbe3f63c913133775a0dcc7e1e1bfa848aef7b30554ec311bd1d941e7d9d4d4bd85e82928b916891c382b174bf83a308a64ebd0169fa75eb3494b82
ripemd-160	f4f9cd8a1144307cb2a4a46e94116b7645939f54

21682721 as geometric shapes

Circle

Radius = n

Diameter	43365442
Circumference	136236554.00687
Area	1.4769895952662E+15

Sphere

Radius = n

Volume	4.2700204418748E+22
Surface area	5.907958381065E+15
Circumference	136236554.00687

Square

Length = n

Perimeter	86730884
Area	470140389963841
Diagonal	30663998.107352

Cube

Length = n

Surface area	2820842339783046
Volume	1.0193922906417E+22
Space diagonal	37555574.418341

Equilateral Triangle

Length = n

Perimeter	65048163
Area	2.035767605269E+14
Altitude	18777787.20917

Triangular Pyramid

Length = n

Surface area	2.035767605269E+14
Volume	1.2013653356701E+21
Height	10221332.702451