21086057 (number)

21086057 is an odd 8-digits composite number following 21086056 and preceding 21086058. In scientific notation, it is written as 2.1086057 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 20881236 positive integers (up to 21086057) that are relatively prime to 21086057.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-six thousand fifty-seven

Notation

Scientific notation 2.1086057 × 10^7
Engineering notation 2.1086057 × 10^6

Prime Factorization of 21086057

Prime Factorization 103 × 204719

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21086057
Product of the distinct prime numbers

The prime factorization of 21086057 is 103 × 204719. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21086057)

Multiplication

n×y
n×2 42172114
n×3 63258171
n×4 84344228
n×5 105430285

Division

n÷y
n÷2 10543028.5
n÷3 7028685.6666667
n÷3 5271514.25
n÷5 4217211.4

Exponentiation

ny
n2 444621799807249
n3 9.3753206141782E+21
n4 1.9768854486384E+29
n5 4.1684719252459E+36

Nth Root

y√n
2√n 4591.9556835841
3√n 276.26876867901
4√n 67.763970394186
5√n 29.160775891604

Divisors of 21086057

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 -21086056
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 21086057 can be divided by 4 positive divisors. The sum of these divisors (counting 21086057) is 1, the average is 0.25.

Base conversion 21086057

Base System Value
2 Binary 1010000011011111101101001
3 Ternary 1110200021122002
4 Quaternary 1100123331221
5 Quinary 20344223212
6 Senary 2031540345
8 Octal 120337551
10 Decimal 21086057
12 Duodecimal 708a6b5
16 Hexadecimal 141bf69
20 Vigesimal 6bff2h
36 Base36 cjy3t

Cryptographic Hash Functions

md5 13bbd28220b7851dbbf90f3b0b543f6e
sha1 c3e91ee5bca702dc16e83ddd85165d153412b4a3
sha256 def3c53a84bd0106918df0890754cab679e3510bd0bdeac4b2c245d85022995e
sha512 831f84c3f5227d63b00a29d4a03c2ed77218d41294260193f2547fe658e73fb481d1b308f4a0f8069ab4b2b027745e4538b0feed0ba573091dff22dc04a65076
ripemd-160 7a6193da109b998d9b2e4c6a1b9ecf9016deb98b

21086057 as geometric shapes

Circle

Radius = n
Diameter 42172114
Circumference 132487603.52875
Area 1.3968205799003E+15

Sphere

Radius = n
Volume 3.9271251155402E+22
Surface area 5.5872823196013E+15
Circumference 132487603.52875

Square

Length = n
Perimeter 84344228
Area 444621799807249
Diagonal 29820187.786372

Cube

Length = n
Surface area 2667730798843494
Volume 9.3753206141782E+21
Space diagonal 36522122.055293

Equilateral Triangle

Length = n
Perimeter 63258171
Area 1.9252688685472E+14
Altitude 18261061.027647

Triangular Pyramid

Length = n
Surface area 1.9252688685472E+14
Volume 1.1048921303472E+21
Height 9940062.5954574