21086442 (number)

21086442 is an even 8-digits composite number following 21086441 and preceding 21086443. In scientific notation, it is written as 2.1086442 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 48 positive divisors. There are 6414336 positive integers (up to 21086442) that are relatively prime to 21086442.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1086442 × 10^7
Engineering notation 2.1086442 × 10^6

Prime Factorization of 21086442

Prime Factorization 2 × 3 × 3 × 13 × 97 × 929

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7028814
Product of the distinct prime numbers

The prime factorization of 21086442 is 2 × 3 × 3 × 13 × 97 × 929. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21086442)

Multiplication

n×y
n×2 42172884
n×3 63259326
n×4 84345768
n×5 105432210

Division

n÷y
n÷2 10543221
n÷3 7028814
n÷3 5271610.5
n÷5 4217288.4

Exponentiation

ny
n2 444638036219364
n3 9.3758341617335E+21
n4 1.9770298325301E+29
n5 4.1688524895916E+36

Nth Root

y√n
2√n 4591.997604529
3√n 276.27045008755
4√n 67.764279709365
5√n 29.160882377294

Divisors of 21086442

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21086441
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21086442 can be divided by 48 positive divisors. The sum of these divisors (counting 21086442) is 1, the average is 0.020833333333333.

Base conversion 21086442

Base System Value
2 Binary 1010000011100000011101010
3 Ternary 1110200022011100
4 Quaternary 1100130003222
5 Quinary 20344231232
6 Senary 2031542230
8 Octal 120340352
10 Decimal 21086442
12 Duodecimal 708a976
16 Hexadecimal 141c0ea
20 Vigesimal 6bfg22
36 Base36 cjyei

Cryptographic Hash Functions

md5 3da1e0a065a8f9d45581f5dd13ccac66
sha1 3558772464f53e46a4b554eb9d4947c57d7d6a2e
sha256 808ff7cd2650bb46c03ffbf7e631031f48af6f867a5dd52058250544d62ff945
sha512 5aa1c262e11e8db1d046236c0a10431a34dd1e10e1e85f390addf1746b14a453ab52996ae757300636be18612dd262ff15a0bade5b1186a68682773cb4c3a3be
ripemd-160 6e5fd0132da6b620c3709f59430918d7fabe9811

21086442 as geometric shapes

Circle

Radius = n
Diameter 42172884
Circumference 132490022.55509
Area 1.3968715880933E+15

Sphere

Radius = n
Volume 3.9273402298371E+22
Surface area 5.5874863523734E+15
Circumference 132490022.55509

Square

Length = n
Perimeter 84345768
Area 444638036219364
Diagonal 29820732.258594

Cube

Length = n
Surface area 2667828217316184
Volume 9.3758341617335E+21
Space diagonal 36522788.894854

Equilateral Triangle

Length = n
Perimeter 63259326
Area 1.925339174274E+14
Altitude 18261394.447427

Triangular Pyramid

Length = n
Surface area 1.925339174274E+14
Volume 1.104952652507E+21
Height 9940244.0861979