21082451 (number)

21082451 is an odd 8-digits composite number following 21082450 and preceding 21082452. In scientific notation, it is written as 2.1082451 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 19460712 positive integers (up to 21082451) that are relatively prime to 21082451.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1082451 × 10^7
Engineering notation 2.1082451 × 10^6

Prime Factorization of 21082451

Prime Factorization 13 × 1621727

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21082451
Product of the distinct prime numbers

The prime factorization of 21082451 is 13 × 1621727. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21082451)

Multiplication

n×y
n×2 42164902
n×3 63247353
n×4 84329804
n×5 105412255

Division

n÷y
n÷2 10541225.5
n÷3 7027483.6666667
n÷3 5270612.75
n÷5 4216490.2

Exponentiation

ny
n2 444469740167401
n3 9.370511518062E+21
n4 1.9755334992448E+29
n5 4.1649088196686E+36

Nth Root

y√n
2√n 4591.5630236337
3√n 276.25301921995
4√n 67.761073070264
5√n 29.159778446214

Divisors of 21082451

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 -21082450
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 21082451 can be divided by 4 positive divisors. The sum of these divisors (counting 21082451) is 1, the average is 0.25.

Base conversion 21082451

Base System Value
2 Binary 1010000011011000101010011
3 Ternary 1110200002200112
4 Quaternary 1100123011103
5 Quinary 20344114301
6 Senary 2031511535
8 Octal 120330523
10 Decimal 21082451
12 Duodecimal 70885ab
16 Hexadecimal 141b153
20 Vigesimal 6bf62b
36 Base36 cjvbn

Cryptographic Hash Functions

md5 defaf2ee8bee764ce624860b477c936f
sha1 e8a241caa4ca7a1ba95987b5194fef8d04969ff0
sha256 15635b8c6a1971d691fefbd6178b9bee026a11cf905348c5d0e5e467cc8faef9
sha512 5d58118e59f4b43e5e19869ac0c638faf3e98e6bee32922a65755051781e0b9949213723f9ce0cd3a712fbb521d984b6926e7a010a9b9dbcb4f8f6916532313c
ripemd-160 9315e673ebcf4a693ad478c40edb7c513ce53293

21082451 as geometric shapes

Circle

Radius = n
Diameter 42164902
Circumference 132464946.36253
Area 1.3963428704529E+15

Sphere

Radius = n
Volume 3.9251106860696E+22
Surface area 5.5853714818115E+15
Circumference 132464946.36253

Square

Length = n
Perimeter 84329804
Area 444469740167401
Diagonal 29815088.132266

Cube

Length = n
Surface area 2666818441004406
Volume 9.370511518062E+21
Space diagonal 36515876.280081

Equilateral Triangle

Length = n
Perimeter 63247353
Area 1.9246104309922E+14
Altitude 18257938.140041

Triangular Pyramid

Length = n
Surface area 1.9246104309922E+14
Volume 1.1043253729347E+21
Height 9938362.7107554