21127951 (number)

21127951 is an odd 8-digits composite number following 21127950 and preceding 21127952. In scientific notation, it is written as 2.1127951 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 19502712 positive integers (up to 21127951) that are relatively prime to 21127951.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred twenty-seven thousand nine hundred fifty-one

Notation

Scientific notation 2.1127951 × 10^7
Engineering notation 2.1127951 × 10^6

Prime Factorization of 21127951

Prime Factorization 13 × 1625227

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21127951
Product of the distinct prime numbers

The prime factorization of 21127951 is 13 × 1625227. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21127951)

Multiplication

n×y
n×2 42255902
n×3 63383853
n×4 84511804
n×5 105639755

Division

n÷y
n÷2 10563975.5
n÷3 7042650.3333333
n÷3 5281987.75
n÷5 4225590.2

Exponentiation

ny
n2 446390313458401
n3 9.4313126696237E+21
n4 1.9926431194949E+29
n5 4.2100466189175E+36

Nth Root

y√n
2√n 4596.5150929808
3√n 276.45161220649
4√n 67.797603888196
5√n 29.172354081087

Divisors of 21127951

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 -21127950
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 21127951 can be divided by 4 positive divisors. The sum of these divisors (counting 21127951) is 1, the average is 0.25.

Base conversion 21127951

Base System Value
2 Binary 1010000100110001100001111
3 Ternary 1110202102002201
4 Quaternary 1100212030033
5 Quinary 20402043301
6 Senary 2032502331
8 Octal 120461417
10 Decimal 21127951
12 Duodecimal 70aa9a7
16 Hexadecimal 142630f
20 Vigesimal 6c0jhb
36 Base36 ckufj

Cryptographic Hash Functions

md5 f03c6281e92ab3c6ee610bc58a5d5c2c
sha1 994a1915a7a9e3638a872267fb94c91cf144490c
sha256 9c43c72ed595434d0a27376d15e89a13e3e47208b9e648806d51600d4bfabf95
sha512 3da9044521e7cc627bcdfad573f420f140e934229eebe238001444d2358f55dbe348a8c1bce44e60e4ccf052ecea743339c97cff5a97f7df07188972472a3c36
ripemd-160 4b8cb999f8c087dd6ba696ab1f0f4eecf05938b7

21127951 as geometric shapes

Circle

Radius = n
Diameter 42255902
Circumference 132750831.29401
Area 1.4023765293946E+15

Sphere

Radius = n
Volume 3.9505790128798E+22
Surface area 5.6095061175782E+15
Circumference 132750831.29401

Square

Length = n
Perimeter 84511804
Area 446390313458401
Diagonal 29879434.849354

Cube

Length = n
Surface area 2678341880750406
Volume 9.4313126696237E+21
Space diagonal 36594684.591826

Equilateral Triangle

Length = n
Perimeter 63383853
Area 1.9329267572914E+14
Altitude 18297342.295913

Triangular Pyramid

Length = n
Surface area 1.9329267572914E+14
Volume 1.1114908573636E+21
Height 9959811.6164514