21127986 (number)

21127986 is an even 8-digits composite number following 21127985 and preceding 21127987. In scientific notation, it is written as 2.1127986 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 6402240 positive integers (up to 21127986) that are relatively prime to 21127986.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred twenty-seven thousand nine hundred eighty-six

Notation

Scientific notation 2.1127986 × 10^7
Engineering notation 2.1127986 × 10^6

Prime Factorization of 21127986

Prime Factorization 2 × 297 × 35569

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21127986
Product of the distinct prime numbers

The prime factorization of 21127986 is 2 × 297 × 35569. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21127986)

Multiplication

n×y
n×2 42255972
n×3 63383958
n×4 84511944
n×5 105639930

Division

n÷y
n÷2 10563993
n÷3 7042662
n÷3 5281996.5
n÷5 4225597.2

Exponentiation

ny
n2 446391792416196
n3 9.4313595406843E+21
n4 1.9926563233654E+29
n5 4.2100814902877E+36

Nth Root

y√n
2√n 4596.5189002113
3√n 276.45176486052
4√n 67.797631966104
5√n 29.172363746309

Divisors of 21127986

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21127985
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21127986 can be divided by 8 positive divisors. The sum of these divisors (counting 21127986) is 1, the average is 0.125.

Base conversion 21127986

Base System Value
2 Binary 1010000100110001100110010
3 Ternary 1110202102011000
4 Quaternary 1100212030302
5 Quinary 20402043421
6 Senary 2032502430
8 Octal 120461462
10 Decimal 21127986
12 Duodecimal 70aaa16
16 Hexadecimal 1426332
20 Vigesimal 6c0jj6
36 Base36 ckugi

Cryptographic Hash Functions

md5 c75397a099ee65bf10a6953827522ac2
sha1 065df6a5dc8d322cd3c5fe1f6e742e1026633578
sha256 1707bda9da3cbd5d252c96308a4cb26bcb6e5f05b124fa2f6a81b1ccec3abb79
sha512 ade446c8080f8df0bd5f959dc52a7304217a59b7610f3fdab0ef8a52d86f2334b5ef7bfa5be7ef486bebefff8066b1c61cf29e2cf2f429a8fe1e67872cbbe2e0
ripemd-160 ef20f87f4a50b71e1cf4b32ee820174f74556160

21127986 as geometric shapes

Circle

Radius = n
Diameter 42255972
Circumference 132751051.2055
Area 1.4023811756775E+15

Sphere

Radius = n
Volume 3.9505986461837E+22
Surface area 5.60952470271E+15
Circumference 132751051.2055

Square

Length = n
Perimeter 84511944
Area 446391792416196
Diagonal 29879484.346829

Cube

Length = n
Surface area 2678350754497176
Volume 9.4313595406843E+21
Space diagonal 36594745.213604

Equilateral Triangle

Length = n
Perimeter 63383958
Area 1.9329331613665E+14
Altitude 18297372.606802

Triangular Pyramid

Length = n
Surface area 1.9329331613665E+14
Volume 1.1114963811711E+21
Height 9959828.1156096