21142486 (number)

21142486 is an even 8-digits composite number following 21142485 and preceding 21142487. In scientific notation, it is written as 2.1142486 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 10571242 positive integers (up to 21142486) that are relatively prime to 21142486.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1142486 × 10^7
Engineering notation 2.1142486 × 10^6

Prime Factorization of 21142486

Prime Factorization 2 × 10571243

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21142486
Product of the distinct prime numbers

The prime factorization of 21142486 is 2 × 10571243. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21142486)

Multiplication

n×y
n×2 42284972
n×3 63427458
n×4 84569944
n×5 105712430

Division

n÷y
n÷2 10571243
n÷3 7047495.3333333
n÷3 5285621.5
n÷5 4228497.2

Exponentiation

ny
n2 447004714260196
n3 9.4507909131802E+21
n4 1.9981321457084E+29
n5 4.224548091679E+36

Nth Root

y√n
2√n 4598.0959102655
3√n 276.51499275055
4√n 67.809261242587
5√n 29.176366808422

Divisors of 21142486

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 -21142485
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 21142486 can be divided by 4 positive divisors. The sum of these divisors (counting 21142486) is 1, the average is 0.25.

Base conversion 21142486

Base System Value
2 Binary 1010000101001101111010110
3 Ternary 1110210011001001
4 Quaternary 1100221233112
5 Quinary 20403024421
6 Senary 2033053514
8 Octal 120515726
10 Decimal 21142486
12 Duodecimal 70b729a
16 Hexadecimal 1429bd6
20 Vigesimal 6c2g46
36 Base36 cl5na

Cryptographic Hash Functions

md5 f4ee63a72e2533a705593f2f24f93fc1
sha1 40830720a7a2881d1d630058aa9e95546d2d82dd
sha256 440666f3fabd5e95c04b9ac9ce99ce3153eb7b6e9383414bd97b0bf9e8d91872
sha512 d0aaa811bcf6e07a2c7eab4b693b728dcad5fa725b1e67945ae387a4f51507c8049b532639c0098b4245a0821001fd3ec399f13421f8a79608ed0dffba81d608
ripemd-160 71c206abb3a2a73ca9447c5c2f6e595a00b33854

21142486 as geometric shapes

Circle

Radius = n
Diameter 42284972
Circumference 132842157.39245
Area 1.4043067264398E+15

Sphere

Radius = n
Volume 3.9587380404613E+22
Surface area 5.6172269057593E+15
Circumference 132842157.39245

Square

Length = n
Perimeter 84569944
Area 447004714260196
Diagonal 29899990.443483

Cube

Length = n
Surface area 2682028285561176
Volume 9.4507909131802E+21
Space diagonal 36619859.950314

Equilateral Triangle

Length = n
Perimeter 63427458
Area 1.9355871908037E+14
Altitude 18309929.975157

Triangular Pyramid

Length = n
Surface area 1.9355871908037E+14
Volume 1.113786390381E+21
Height 9966663.4811611