21031213 (number)

21031213 is an odd 8-digits composite number following 21031212 and preceding 21031214. In scientific notation, it is written as 2.1031213 × 10^7. The sum of its digits is 13. It has a total of 3 prime factors and 8 positive divisors. There are 18000240 positive integers (up to 21031213) that are relatively prime to 21031213.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand two hundred thirteen

Notation

Scientific notation 2.1031213 × 10^7
Engineering notation 2.1031213 × 10^6

Prime Factorization of 21031213

Prime Factorization 7 × 839 × 3581

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21031213
Product of the distinct prime numbers

The prime factorization of 21031213 is 7 × 839 × 3581. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 3, 17, 34, 357, 661, 8270, 9730, 29394, 6550, 222442, 281919, 7444183, 2041039, 82103995, 40576516, 809340, 530818458, 2261124554, 2324970125

Basic calculations (n = 21031213)

Multiplication

n×y
n×2 42062426
n×3 63093639
n×4 84124852
n×5 105156065

Division

n÷y
n÷2 10515606.5
n÷3 7010404.3333333
n÷3 5257803.25
n÷5 4206242.6

Exponentiation

ny
n2 442311920251369
n3 9.3023562072456E+21
n4 1.9563983479645E+29
n5 4.114543036889E+36

Nth Root

y√n
2√n 4585.9800479287
3√n 276.02903933757
4√n 67.719864500224
5√n 29.145590880256

Divisors of 21031213

1, 7, 839, 3581, 5873, 25067, 3004459, 21031213

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 -21031212
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 21031213 can be divided by 8 positive divisors. The sum of these divisors (counting 21031213) is 1, the average is 0.125.

Base conversion 21031213

Base System Value
2 Binary 1010000001110100100101101
3 Ternary 1110120111101211
4 Quaternary 1100032210231
5 Quinary 20340444323
6 Senary 2030434421
8 Octal 120164455
10 Decimal 21031213
12 Duodecimal 7062a11
16 Hexadecimal 140e92d
20 Vigesimal 6b8i0d
36 Base36 cirsd

Cryptographic Hash Functions

md5 6b66da13f3c39a0e491219b460463d42
sha1 895dd1b8b9659bdbc1c92b828af42747e9fe8197
sha256 39644671a2e4c6d8e1d3ef209c523804b738d6b063ef8dab320250b050529449
sha512 b610c19f646b3eb2f0056dcd10fe109ca28e46080f9fb66a75a1b86730d7f8a785bd331c581d1d2d069367314e56db857cad6664cb322276375a176dccd03378
ripemd-160 f7a1ec4076625f702cd00511e7665380182dd734

21031213 as geometric shapes

Circle

Radius = n
Diameter 42062426
Circumference 132143008.51376
Area 1.3895638792569E+15

Sphere

Radius = n
Volume 3.8965618562344E+22
Surface area 5.5582555170276E+15
Circumference 132143008.51376

Square

Length = n
Perimeter 84124852
Area 442311920251369
Diagonal 29742626.657757

Cube

Length = n
Surface area 2653871521508214
Volume 9.3023562072456E+21
Space diagonal 36427129.460803

Equilateral Triangle

Length = n
Perimeter 63093639
Area 1.9152667966718E+14
Altitude 18213564.730402

Triangular Pyramid

Length = n
Surface area 1.9152667966718E+14
Volume 1.096293192526E+21
Height 9914208.8859191