21082486 (number)

21082486 is an even 8-digits composite number following 21082485 and preceding 21082487. In scientific notation, it is written as 2.1082486 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 10541242 positive integers (up to 21082486) that are relatively prime to 21082486.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1082486 × 10^7
Engineering notation 2.1082486 × 10^6

Prime Factorization of 21082486

Prime Factorization 2 × 10541243

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21082486
Product of the distinct prime numbers

The prime factorization of 21082486 is 2 × 10541243. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21082486)

Multiplication

n×y
n×2 42164972
n×3 63247458
n×4 84329944
n×5 105412430

Division

n÷y
n÷2 10541243
n÷3 7027495.3333333
n÷3 5270621.5
n÷5 4216497.2

Exponentiation

ny
n2 444471215940196
n3 9.3705581874622E+21
n4 1.9755466179936E+29
n5 4.1649433916197E+36

Nth Root

y√n
2√n 4591.5668349704
3√n 276.25317209355
4√n 67.761101193608
5√n 29.15978812812

Divisors of 21082486

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 -21082485
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 21082486 can be divided by 4 positive divisors. The sum of these divisors (counting 21082486) is 1, the average is 0.25.

Base conversion 21082486

Base System Value
2 Binary 1010000011011000101110110
3 Ternary 1110200002201211
4 Quaternary 1100123011312
5 Quinary 20344114421
6 Senary 2031512034
8 Octal 120330566
10 Decimal 21082486
12 Duodecimal 708861a
16 Hexadecimal 141b176
20 Vigesimal 6bf646
36 Base36 cjvcm

Cryptographic Hash Functions

md5 d0ddc719dd2ad06a027921b8b04347f9
sha1 318f583795407c002934202307b81fe6afaadf53
sha256 58193a2345561be0a9fb91d0ebfcccfa24370bc65d516ea9524936561618a072
sha512 527e0a210bf6457701c712d87695d24aeb0f9dd3837f4904a1d29156b8d844bc21c7010a385986658efa18ff6b7abb280a59c1e0e8f95ba94968731608a2f5dc
ripemd-160 42cc7574386116ee03d247e1e21e29eeda2755c9

21082486 as geometric shapes

Circle

Radius = n
Diameter 42164972
Circumference 132465166.27402
Area 1.3963475067298E+15

Sphere

Radius = n
Volume 3.9251302349022E+22
Surface area 5.5853900269194E+15
Circumference 132465166.27402

Square

Length = n
Perimeter 84329944
Area 444471215940196
Diagonal 29815137.629741

Cube

Length = n
Surface area 2666827295641176
Volume 9.3705581874622E+21
Space diagonal 36515936.90186

Equilateral Triangle

Length = n
Perimeter 63247458
Area 1.9246168212758E+14
Altitude 18257968.45093

Triangular Pyramid

Length = n
Surface area 1.9246168212758E+14
Volume 1.1043308729763E+21
Height 9938379.2099136