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

21081321 (number)

21081321 is an odd 8-digits composite number following 21081320 and preceding 21081322. In scientific notation, it is written as 2.1081321 × 10^7. The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors. There are 14031000 positive integers (up to 21081321) that are relatively prime to 21081321.

Interesting facts

21081321 has 8 divisors, whose sum is 23462400
The reverse of 21081321 is 12318012
Previous prime number is 751

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9

Name

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

Notation

Scientific notation	2.1081321 × 10^7
Engineering notation	2.1081321 × 10^6

Prime Factorization of 21081321

Prime Factorization 9 × 751 × 3119

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21081321	Product of the distinct prime numbers

The prime factorization of 21081321 is 9 × 751 × 3119. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 8, 18, 11, 249, 909, 7059, 9993, 61369, 34288, 479615, 801380, 7328654, 6858563, 83674941, 17126581, 785037897, 850070777, 7704757176, 7715218893

Basic calculations (n = 21081321)

Multiplication

n×y

n×2	42162642
n×3	63243963
n×4	84325284
n×5	105406605

Division

n÷y

n÷2	10540660.5
n÷3	7027107
n÷3	5270330.25
n÷5	4216264.2

Exponentiation

n^y

n²	444422095105041
n³	9.3690048464019E+21
n⁴	1.9751099861755E+29
n⁵	4.1637927628872E+36

Nth Root

^y√n

²√n	4591.4399702054
³√n	276.24808349578
⁴√n	67.760165069201
⁵√n	29.159465852047

Divisors of 21081321

1, 9, 751, 3119, 6759, 28071, 2342369, 21081321

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	-21081320	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 21081321 can be divided by 8 positive divisors. The sum of these divisors (counting 21081321) is 1, the average is 0.125.

Base conversion 21081321

Base	System	Value
2	Binary	1010000011010110011101001
3	Ternary	1110200001010200
4	Quaternary	1100122303221
5	Quinary	20344100241
6	Senary	2031502413
8	Octal	120326351
10	Decimal	21081321
12	Duodecimal	7087a09
16	Hexadecimal	141ace9
20	Vigesimal	6bf361
36	Base36	cjug9

Cryptographic Hash Functions

md5	8c1907f78e33464502e4f98f2a50182e
sha1	0f9c7b3db3b37c71589e6bca1cab9b280e454abd
sha256	6cdcf48fda21679d445f774016b51a93680d75c549e7148293550170fb2de173
sha512	2fc5d14feeccccaf8b138b2722f82ebec15f95749e3f5484f249becfa1a4019750f719f666c10079fa3c8ef12c7689034a58d4c094686293814fb9ac3eddb581
ripemd-160	734625171c55cb5f51d1b8d67edaa46f433ce522

21081321 as geometric shapes

Circle

Radius = n

Diameter	42162642
Circumference	132457846.36314
Area	1.396193189075E+15

Sphere

Radius = n

Volume	3.9244795729204E+22
Surface area	5.5847727562999E+15
Circumference	132457846.36314

Square

Length = n

Perimeter	84325284
Area	444422095105041
Diagonal	29813490.070941

Cube

Length = n

Surface area	2666532570630246
Volume	9.3690048464019E+21
Space diagonal	36513919.062669

Equilateral Triangle

Length = n

Perimeter	63243963
Area	1.9244041218203E+14
Altitude	18256959.531334

Triangular Pyramid

Length = n

Surface area	1.9244041218203E+14
Volume	1.1041478099767E+21
Height	9937830.0236469