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

21492761 (number)

21492761 is an odd 8-digits composite number following 21492760 and preceding 21492762. In scientific notation, it is written as 2.1492761 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 21463092 positive integers (up to 21492761) that are relatively prime to 21492761.

Interesting facts

21492761 has 4 divisors, whose sum is 21522432
The reverse of 21492761 is 16729412
Previous prime number is 743

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

Name	twenty-one million four hundred ninety-two thousand seven hundred sixty-one

Notation

Scientific notation	2.1492761 × 10^7
Engineering notation	2.1492761 × 10^6

Prime Factorization of 21492761

Prime Factorization 743 × 28927

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21492761	Product of the distinct prime numbers

The prime factorization of 21492761 is 743 × 28927. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 5, 45, 57, 553, 473, 2498, 9304, 6628, 25939, 697802, 569794, 8900425, 6506838, 25204020, 21387741, 685426389, 832800547, 6013974172, 412939327

Basic calculations (n = 21492761)

Multiplication

n×y

n×2	42985522
n×3	64478283
n×4	85971044
n×5	107463805

Division

n÷y

n÷2	10746380.5
n÷3	7164253.6666667
n÷3	5373190.25
n÷5	4298552.2

Exponentiation

n^y

n²	461938775403121
n³	9.928339696372E+21
n⁴	2.1338743222094E+29
n⁵	4.5862850811283E+36

Nth Root

^y√n

²√n	4636.0285805849
³√n	278.03367688911
⁴√n	68.088388001075
⁵√n	29.272407469916

Divisors of 21492761

1, 743, 28927, 21492761

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	-21492760	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 21492761 can be divided by 4 positive divisors. The sum of these divisors (counting 21492761) is 1, the average is 0.25.

Base conversion 21492761

Base	System	Value
2	Binary	1010001111111010000011001
3	Ternary	1111102221112012
4	Quaternary	1101333100121
5	Quinary	21000232021
6	Senary	2044355305
8	Octal	121772031
10	Decimal	21492761
12	Duodecimal	7245b35
16	Hexadecimal	147f419
20	Vigesimal	6e6bi1
36	Base36	csnx5

Cryptographic Hash Functions

md5	341882715cbd729980774c162f22ea20
sha1	b6ddb266e951b21f41e5610b145350a2e048a113
sha256	4e9887bf25e2e878cbfc236847c19e905db37abc0f826615c96cba3f50e02944
sha512	5da4ba341c0c7582901b85a0414d3b54d3a3252561f6ea4ae3cf58afdaa7a297965cb52e555ab9e65e2ef0d2fa2b090b228007d32682952eef7ad1d79f0a6235
ripemd-160	8edd97b5d45fe400240da24038f1e8ae80724394

21492761 as geometric shapes

Circle

Radius = n

Diameter	42985522
Circumference	135043000.12592
Area	1.4512234632147E+15

Sphere

Radius = n

Volume	4.1587732069955E+22
Surface area	5.8048938528588E+15
Circumference	135043000.12592

Square

Length = n

Perimeter	85971044
Area	461938775403121
Diagonal	30395354.099044

Cube

Length = n

Surface area	2771632652418726
Volume	9.928339696372E+21
Space diagonal	37226554.046935

Equilateral Triangle

Length = n

Perimeter	64478283
Area	2.0002535724609E+14
Altitude	18613277.023467

Triangular Pyramid

Length = n

Surface area	2.0002535724609E+14
Volume	1.1700660542047E+21
Height	10131784.699681