21031812 (number)

21031812 is an even 8-digits composite number following 21031811 and preceding 21031813. In scientific notation, it is written as 2.1031812 × 10^7. The sum of its digits is 18. It has a total of 6 prime factors and 48 positive divisors. There are 6945264 positive integers (up to 21031812) that are relatively prime to 21031812.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1031812 × 10^7
Engineering notation 2.1031812 × 10^6

Prime Factorization of 21031812

Prime Factorization 2 × 2 × 3 × 27 × 467 × 139

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10515906
Product of the distinct prime numbers

The prime factorization of 21031812 is 2 × 2 × 3 × 27 × 467 × 139. Since it has a total of 6 prime factors.

Most popular turbo-numbers

9, 5, 88, 70, 145, 831, 4451, 3783, 47472, 49820, 119096, 607278, 8186446, 9765015, 35998301, 1927960, 508837487, 630855194, 9225834088, 4009896474

Basic calculations (n = 21031812)

Multiplication

n×y
n×2 42063624
n×3 63095436
n×4 84127248
n×5 105159060

Division

n÷y
n÷2 10515906
n÷3 7010604
n÷3 5257953
n÷5 4206362.4

Exponentiation

ny
n2 442337116003344
n3 9.3031510644045E+21
n4 1.9566212419416E+29
n5 4.1151290115721E+36

Nth Root

y√n
2√n 4586.0453552053
3√n 276.03165988423
4√n 67.720346685507
5√n 29.145756900258

Divisors of 21031812

1, 2, 3, 4, 6, 12, 27, 54, 81, 108, 139, 162, 278, 324, 417, 467, 556, 834, 934, 1401, 1668, 1868, 2802, 3753, 5604, 7506, 11259, 12609, 15012, 22518, 25218, 37827, 45036, 50436, 64913, 75654, 129826, 151308, 194739, 259652, 389478, 778956, 1752651, 3505302, 5257953, 7010604, 10515906, 21031812

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21031811
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031812 can be divided by 48 positive divisors. The sum of these divisors (counting 21031812) is 1, the average is 0.020833333333333.

Base conversion 21031812

Base System Value
2 Binary 1010000001110101110000100
3 Ternary 1110120112020000
4 Quaternary 1100032232010
5 Quinary 20341004222
6 Senary 2030441300
8 Octal 120165604
10 Decimal 21031812
12 Duodecimal 7063230
16 Hexadecimal 140eb84
20 Vigesimal 6b8jac
36 Base36 cis90

Cryptographic Hash Functions

md5 709610f443c74b74a0bbef95199f1e87
sha1 2e4a92c6c2f4c2caf059f98228e2feb8d2ce40c0
sha256 6b306ea929d3511d074dd37106a20aefafdccba7f9b3c083526fddbb9e23ba25
sha512 1b4aae4ed54cf29e0d7579da21790ae67aeb81dab2993d816ef18a05165b31da2fa05b29ca4cc4671eb2bceff2dd710367b2a01ece1fa5a1224751d7e7672b2e
ripemd-160 f0ef8f9aef8c7b0c6485aa8c5fc7b8f4b13bbd0a

21031812 as geometric shapes

Circle

Radius = n
Diameter 42063624
Circumference 132146772.14176
Area 1.3896430340462E+15

Sphere

Radius = n
Volume 3.8968948052226E+22
Surface area 5.5585721361848E+15
Circumference 132146772.14176

Square

Length = n
Perimeter 84127248
Area 442337116003344
Diagonal 29743473.771681

Cube

Length = n
Surface area 2654022696020064
Volume 9.3031510644045E+21
Space diagonal 36428166.959237

Equilateral Triangle

Length = n
Perimeter 63095436
Area 1.9153758974782E+14
Altitude 18214083.479618

Triangular Pyramid

Length = n
Surface area 1.9153758974782E+14
Volume 1.0963868673405E+21
Height 9914491.2572271