21031816 (number)

21031816 is an even 8-digits composite number following 21031815 and preceding 21031817. In scientific notation, it is written as 2.1031816 × 10^7. The sum of its digits is 22. It has a total of 6 prime factors and 32 positive divisors. There are 9479232 positive integers (up to 21031816) that are relatively prime to 21031816.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand eight hundred sixteen

Notation

Scientific notation 2.1031816 × 10^7
Engineering notation 2.1031816 × 10^6

Prime Factorization of 21031816

Prime Factorization 2 × 2 × 2 × 13 × 43 × 4703

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5257954
Product of the distinct prime numbers

The prime factorization of 21031816 is 2 × 2 × 2 × 13 × 43 × 4703. Since it has a total of 6 prime factors.

Most popular turbo-numbers

7, 1, 42, 79, 886, 447, 5865, 2102, 93599, 65225, 285967, 232412, 8218366, 9581926, 66998878, 53617750, 516962511, 448426564, 4078618629, 3336315619

Basic calculations (n = 21031816)

Multiplication

n×y
n×2 42063632
n×3 63095448
n×4 84127264
n×5 105159080

Division

n÷y
n÷2 10515908
n÷3 7010605.3333333
n÷3 5257954
n÷5 4206363.2

Exponentiation

ny
n2 442337284257856
n3 9.3031563724509E+21
n4 1.9566227304462E+29
n5 4.1151329248161E+36

Nth Root

y√n
2√n 4586.0457913109
3√n 276.03167738354
4√n 67.720349905408
5√n 29.145758008893

Divisors of 21031816

1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 4703, 9406, 18812, 37624, 61139, 122278, 202229, 244556, 404458, 489112, 808916, 1617832, 2628977, 5257954, 10515908, 21031816

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21031815
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031816 can be divided by 32 positive divisors. The sum of these divisors (counting 21031816) is 1, the average is 0.03125.

Base conversion 21031816

Base System Value
2 Binary 1010000001110101110001000
3 Ternary 1110120112020011
4 Quaternary 1100032232020
5 Quinary 20341004231
6 Senary 2030441304
8 Octal 120165610
10 Decimal 21031816
12 Duodecimal 7063234
16 Hexadecimal 140eb88
20 Vigesimal 6b8jag
36 Base36 cis94

Cryptographic Hash Functions

md5 aed7e44e537d5a3fdbef50030a15bf76
sha1 9ad225d5e7445ee39db829f62dc0ef9347c76e12
sha256 1f44c71b78fc8f621b93b3672f2272b298af0579f58761de7216c0e3a012177d
sha512 4572fb687dc9c4ef5b754fdfad509d2615d29e8c953274e6472538b7c5148e225ffc5329b2404de49ffe3f896afadf66c4c22b8d9693864e8f29543d79529b8f
ripemd-160 5d1ffa14ce273bac82f3fda79827d9115ede5db6

21031816 as geometric shapes

Circle

Radius = n
Diameter 42063632
Circumference 132146797.2745
Area 1.3896435626333E+15

Sphere

Radius = n
Volume 3.8968970286519E+22
Surface area 5.5585742505334E+15
Circumference 132146797.2745

Square

Length = n
Perimeter 84127264
Area 442337284257856
Diagonal 29743479.428535

Cube

Length = n
Surface area 2654023705547136
Volume 9.3031563724509E+21
Space diagonal 36428173.88744

Equilateral Triangle

Length = n
Perimeter 63095448
Area 1.9153766260416E+14
Altitude 18214086.94372

Triangular Pyramid

Length = n
Surface area 1.9153766260416E+14
Volume 1.0963874928998E+21
Height 9914493.1428452