21031814 (number)

21031814 is an even 8-digits composite number following 21031813 and preceding 21031815. In scientific notation, it is written as 2.1031814 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 10515906 positive integers (up to 21031814) that are relatively prime to 21031814.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1031814 × 10^7
Engineering notation 2.1031814 × 10^6

Prime Factorization of 21031814

Prime Factorization 2 × 10515907

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21031814
Product of the distinct prime numbers

The prime factorization of 21031814 is 2 × 10515907. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031814)

Multiplication

n×y
n×2 42063628
n×3 63095442
n×4 84127256
n×5 105159070

Division

n÷y
n÷2 10515907
n÷3 7010604.6666667
n÷3 5257953.5
n÷5 4206362.8

Exponentiation

ny
n2 442337200130596
n3 9.3031537184275E+21
n4 1.9566219861937E+29
n5 4.1151309681938E+36

Nth Root

y√n
2√n 4586.0455732581
3√n 276.03166863389
4√n 67.720348295458
5√n 29.145757454575

Divisors of 21031814

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 -21031813
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 21031814 can be divided by 4 positive divisors. The sum of these divisors (counting 21031814) is 1, the average is 0.25.

Base conversion 21031814

Base System Value
2 Binary 1010000001110101110000110
3 Ternary 1110120112020002
4 Quaternary 1100032232012
5 Quinary 20341004224
6 Senary 2030441302
8 Octal 120165606
10 Decimal 21031814
12 Duodecimal 7063232
16 Hexadecimal 140eb86
20 Vigesimal 6b8jae
36 Base36 cis92

Cryptographic Hash Functions

md5 74144ce8c643499905c1dae966865c6b
sha1 86dd9a3f75231f8146bb8ba6c4decdd96714f234
sha256 9884567c43e7544c7e2b2df66cf2d1b8343d1c9b0e606b12a2df1ecc1e50eff3
sha512 7e88d549f3c2e0fa645cfb29d655667a2ed59a8f3e68eb07e8277f87afee0e15ff2931eddb0c1391c88f4f324957e3e47489d787fd11c591a66a63802e8ca47c
ripemd-160 33113f2d544a9133ca7c08ca5ad98e2594ef91ea

21031814 as geometric shapes

Circle

Radius = n
Diameter 42063628
Circumference 132146784.70813
Area 1.3896432983398E+15

Sphere

Radius = n
Volume 3.8968959169371E+22
Surface area 5.558573193359E+15
Circumference 132146784.70813

Square

Length = n
Perimeter 84127256
Area 442337200130596
Diagonal 29743476.600108

Cube

Length = n
Surface area 2654023200783576
Volume 9.3031537184275E+21
Space diagonal 36428170.423338

Equilateral Triangle

Length = n
Perimeter 63095442
Area 1.9153762617599E+14
Altitude 18214085.211669

Triangular Pyramid

Length = n
Surface area 1.9153762617599E+14
Volume 1.0963871801202E+21
Height 9914492.2000361