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

21492451 (number)

21492451 is an odd 8-digits composite number following 21492450 and preceding 21492452. In scientific notation, it is written as 2.1492451 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 20751304 positive integers (up to 21492451) that are relatively prime to 21492451.

Interesting facts

21492451 has 4 divisors, whose sum is 22233600
The reverse of 21492451 is 15429412
Previous prime number is 29

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

Name	twenty-one million four hundred ninety-two thousand four hundred fifty-one

Notation

Scientific notation	2.1492451 × 10^7
Engineering notation	2.1492451 × 10^6

Prime Factorization of 21492451

Prime Factorization 29 × 741119

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21492451	Product of the distinct prime numbers

The prime factorization of 21492451 is 29 × 741119. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 3, 78, 26, 327, 125, 6938, 8750, 69906, 46834, 551828, 343338, 2951675, 3673534, 29686618, 44269231, 997802341, 794747987, 5402807389, 4362340554

Basic calculations (n = 21492451)

Multiplication

n×y

n×2	42984902
n×3	64477353
n×4	85969804
n×5	107462255

Division

n÷y

n÷2	10746225.5
n÷3	7164150.3333333
n÷3	5373112.75
n÷5	4298490.2

Exponentiation

n^y

n²	461925449987401
n³	9.9279100995072E+21
n⁴	2.1337512134606E+29
n⁵	4.5859543401493E+36

Nth Root

^y√n

²√n	4635.9951466756
³√n	278.03234014672
⁴√n	68.088142482195
⁵√n	29.272323027544

Divisors of 21492451

1, 29, 741119, 21492451

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	-21492450	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 21492451 can be divided by 4 positive divisors. The sum of these divisors (counting 21492451) is 1, the average is 0.25.

Base conversion 21492451

Base	System	Value
2	Binary	1010001111111001011100011
3	Ternary	1111102221002201
4	Quaternary	1101333023203
5	Quinary	21000224301
6	Senary	2044354031
8	Octal	121771343
10	Decimal	21492451
12	Duodecimal	7245917
16	Hexadecimal	147f2e3
20	Vigesimal	6e6b2b
36	Base36	csnoj

Cryptographic Hash Functions

md5	e04ea022473d9c2c1ef92c6ebcf9e498
sha1	67594a89aac86258bdf50a4493e5d8eda8232754
sha256	ffa02d92ade18c3f0e86d3146e6dd76e482244bb49753b0467991952eadcf694
sha512	b0e2e03a5ed28604ae1e69220c3306c41ea667d45f6d8d799e61ab1df08c623dec34cd5d81f879ff8f967bd3b01ca648ae22ddab0a4fb04abb4feaeab31ef57f
ripemd-160	f3aed8d09057e008cd27da05f7d8e0e909a58ffb

21492451 as geometric shapes

Circle

Radius = n

Diameter	42984902
Circumference	135041052.33848
Area	1.4511816001866E+15

Sphere

Radius = n

Volume	4.1585932578815E+22
Surface area	5.8047264007463E+15
Circumference	135041052.33848

Square

Length = n

Perimeter	85969804
Area	461925449987401
Diagonal	30394915.692839

Cube

Length = n

Surface area	2771552699924406
Volume	9.9279100995072E+21
Space diagonal	37226017.111185

Equilateral Triangle

Length = n

Perimeter	64477353
Area	2.0001958717182E+14
Altitude	18613008.555592

Triangular Pyramid

Length = n

Surface area	2.0001958717182E+14
Volume	1.1700154257287E+21
Height	10131638.56428