21031243 (number)

21031243 is an odd 8-digits composite number following 21031242 and preceding 21031244. In scientific notation, it is written as 2.1031243 × 10^7. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 20982240 positive integers (up to 21031243) that are relatively prime to 21031243.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand two hundred forty-three

Notation

Scientific notation 2.1031243 × 10^7
Engineering notation 2.1031243 × 10^6

Prime Factorization of 21031243

Prime Factorization 433 × 48571

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21031243
Product of the distinct prime numbers

The prime factorization of 21031243 is 433 × 48571. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031243)

Multiplication

n×y
n×2 42062486
n×3 63093729
n×4 84124972
n×5 105156215

Division

n÷y
n÷2 10515621.5
n÷3 7010414.3333333
n÷3 5257810.75
n÷5 4206248.6

Exponentiation

ny
n2 442313182125049
n3 9.3023960153752E+21
n4 1.9564095108159E+29
n5 4.114572382948E+36

Nth Root

y√n
2√n 4585.983318766
3√n 276.02917058483
4√n 67.719888649982
5√n 29.145599195204

Divisors of 21031243

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 -21031242
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 21031243 can be divided by 4 positive divisors. The sum of these divisors (counting 21031243) is 1, the average is 0.25.

Base conversion 21031243

Base System Value
2 Binary 1010000001110100101001011
3 Ternary 1110120111102221
4 Quaternary 1100032211023
5 Quinary 20340444433
6 Senary 2030434511
8 Octal 120164513
10 Decimal 21031243
12 Duodecimal 7062a37
16 Hexadecimal 140e94b
20 Vigesimal 6b8i23
36 Base36 cirt7

Cryptographic Hash Functions

md5 c9f5627b3fe37191cb240df8f2f97206
sha1 3a5678129ecc807429182bd843022046a2ff60f5
sha256 631abfad5192b53f042bf1e3876e2ccc95ed9123b72eba9ee238ccc9744c0e7e
sha512 8837d933c2e7b6842b5e5bc4789d758ac3dcaa54fff766207c9d9e328f886412a9b865e83d057c05180e8c41a930632a5b5ab3ade0d515559c597252b6263719
ripemd-160 43ad4a1d153fd7dab6d50c4cec01e53168bdcb71

21031243 as geometric shapes

Circle

Radius = n
Diameter 42062486
Circumference 132143197.00932
Area 1.38956784355E+15

Sphere

Radius = n
Volume 3.8965785310247E+22
Surface area 5.5582713741999E+15
Circumference 132143197.00932

Square

Length = n
Perimeter 84124972
Area 442313182125049
Diagonal 29742669.084164

Cube

Length = n
Surface area 2653879092750294
Volume 9.3023960153752E+21
Space diagonal 36427181.422327

Equilateral Triangle

Length = n
Perimeter 63093729
Area 1.9152722607451E+14
Altitude 18213590.711164

Triangular Pyramid

Length = n
Surface area 1.9152722607451E+14
Volume 1.0962978839591E+21
Height 9914223.0280547