21252979 (number)

21252979 is an odd 8-digits composite number following 21252978 and preceding 21252980. In scientific notation, it is written as 2.1252979 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 19320880 positive integers (up to 21252979) that are relatively prime to 21252979.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred fifty-two thousand nine hundred seventy-nine

Notation

Scientific notation 2.1252979 × 10^7
Engineering notation 2.1252979 × 10^6

Prime Factorization of 21252979

Prime Factorization 11 × 1932089

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21252979
Product of the distinct prime numbers

The prime factorization of 21252979 is 11 × 1932089. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21252979)

Multiplication

n×y
n×2 42505958
n×3 63758937
n×4 85011916
n×5 106264895

Division

n÷y
n÷2 10626489.5
n÷3 7084326.3333333
n÷3 5313244.75
n÷5 4250595.8

Exponentiation

ny
n2 451689116374441
n3 9.5997393048346E+21
n4 2.0402305785112E+29
n5 4.3360977640257E+36

Nth Root

y√n
2√n 4610.0953352398
3√n 276.99585548153
4√n 67.897682841462
5√n 29.206799050017

Divisors of 21252979

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 -21252978
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 21252979 can be divided by 4 positive divisors. The sum of these divisors (counting 21252979) is 1, the average is 0.25.

Base conversion 21252979

Base System Value
2 Binary 1010001000100101101110011
3 Ternary 1110222202121101
4 Quaternary 1101010231303
5 Quinary 20420043404
6 Senary 2035305231
8 Octal 121045563
10 Decimal 21252979
12 Duodecimal 714b217
16 Hexadecimal 1444b73
20 Vigesimal 6cgc8j
36 Base36 cniwj

Cryptographic Hash Functions

md5 775b9d0d850fc8e1f80f74bec18d16c8
sha1 b4302bcc845bc28adbd2cff74d0e06839cd2aa51
sha256 082f39fa88be5ba8864cb5ac9fa5df00df3ba275b9255eb06e8e6342623a4c50
sha512 d64e4ada29f4f0b82203347d007e75c9c3b10811ba28dd6eb058ff506a5d5f30c2d8c9f971ac984a1315cd53d95a489136ec6bf3573ffd5f96188fdcee4db078
ripemd-160 25570f21daa24c3abfbb690b2784db26ec856fa2

21252979 as geometric shapes

Circle

Radius = n
Diameter 42505958
Circumference 133536405.3866
Area 1.4190232097084E+15

Sphere

Radius = n
Volume 4.0211293968594E+22
Surface area 5.6760928388336E+15
Circumference 133536405.3866

Square

Length = n
Perimeter 85011916
Area 451689116374441
Diagonal 30056251.142631

Cube

Length = n
Surface area 2710134698246646
Volume 9.5997393048346E+21
Space diagonal 36811239.440194

Equilateral Triangle

Length = n
Perimeter 63758937
Area 1.9558712469661E+14
Altitude 18405619.720097

Triangular Pyramid

Length = n
Surface area 1.9558712469661E+14
Volume 1.1313401266786E+21
Height 10018750.380877