21278082 (number)

21278082 is an even 8-digits composite number following 21278081 and preceding 21278083. In scientific notation, it is written as 2.1278082 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 5814864 positive integers (up to 21278082) that are relatively prime to 21278082.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred seventy-eight thousand eighty-two

Notation

Scientific notation 2.1278082 × 10^7
Engineering notation 2.1278082 × 10^6

Prime Factorization of 21278082

Prime Factorization 2 × 21 × 23 × 22027

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21278082
Product of the distinct prime numbers

The prime factorization of 21278082 is 2 × 21 × 23 × 22027. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 8, 83, 26, 847, 29, 5111, 4863, 29918, 60846, 245326, 835760, 9227239, 8313035, 13758282, 65877671, 737554432, 628182835, 4381576076, 9488335412

Basic calculations (n = 21278082)

Multiplication

n×y
n×2 42556164
n×3 63834246
n×4 85112328
n×5 106390410

Division

n÷y
n÷2 10639041
n÷3 7092694
n÷3 5319520.5
n÷5 4255616.4

Exponentiation

ny
n2 452756773598724
n3 9.6337957546891E+21
n4 2.0498869603953E+29
n5 4.3617662834021E+36

Nth Root

y√n
2√n 4612.8171435686
3√n 277.10487064704
4√n 67.917723339115
5√n 29.213695326759

Divisors of 21278082

1, 2, 21, 23, 42, 46, 483, 966, 22027, 44054, 462567, 506621, 925134, 1013242, 10639041, 21278082

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21278081
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21278082 can be divided by 16 positive divisors. The sum of these divisors (counting 21278082) is 1, the average is 0.0625.

Base conversion 21278082

Base System Value
2 Binary 1010001001010110110000010
3 Ternary 1111001001001010
4 Quaternary 1101022312002
5 Quinary 20421344312
6 Senary 2040021350
8 Octal 121126602
10 Decimal 21278082
12 Duodecimal 7161856
16 Hexadecimal 144ad82
20 Vigesimal 6cjf42
36 Base36 co29u

Cryptographic Hash Functions

md5 73f106625fb229fbf980ac60e3e4dfc6
sha1 79158bd0513a992acc92e1bcec2c24e911d1ce37
sha256 3052595bf879423604fe8c534125e8de79bca6e55955f218c06b16277059ccfb
sha512 72d665f2bb39e24b9ac773a34c143ff7004ba3373d2c636decab637bf47ede60c3c1b1a81f9f843f8bcf5b73ff7c5c5f435db8192cd7fcabad768d17a49de868
ripemd-160 2307ca23465f196996994592b3a560bab1605756

21278082 as geometric shapes

Circle

Radius = n
Diameter 42556164
Circumference 133694132.18736
Area 1.4223773538008E+15

Sphere

Radius = n
Volume 4.0353949292154E+22
Surface area 5.6895094152031E+15
Circumference 133694132.18736

Square

Length = n
Perimeter 85112328
Area 452756773598724
Diagonal 30091752.145687

Cube

Length = n
Surface area 2716540641592344
Volume 9.6337957546891E+21
Space diagonal 36854719.111617

Equilateral Triangle

Length = n
Perimeter 63834246
Area 1.9604943383599E+14
Altitude 18427359.555808

Triangular Pyramid

Length = n
Surface area 1.9604943383599E+14
Volume 1.1353537177845E+21
Height 10030584.048562