21031863 (number)

21031863 is an odd 8-digits composite number following 21031862 and preceding 21031864. In scientific notation, it is written as 2.1031863 × 10^7. The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors. There are 14021240 positive integers (up to 21031863) that are relatively prime to 21031863.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand eight hundred sixty-three

Notation

Scientific notation 2.1031863 × 10^7
Engineering notation 2.1031863 × 10^6

Prime Factorization of 21031863

Prime Factorization 3 × 7010621

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21031863
Product of the distinct prime numbers

The prime factorization of 21031863 is 3 × 7010621. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031863)

Multiplication

n×y
n×2 42063726
n×3 63095589
n×4 84127452
n×5 105159315

Division

n÷y
n÷2 10515931.5
n÷3 7010621
n÷3 5257965.75
n÷5 4206372.6

Exponentiation

ny
n2 442339261250769
n3 9.3032187421474E+21
n4 1.9566402204388E+29
n5 4.1151789056558E+36

Nth Root

y√n
2√n 4586.0509155481
3√n 276.03188300026
4√n 67.720387739204
5√n 29.145771035342

Divisors of 21031863

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 -21031862
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 21031863 can be divided by 4 positive divisors. The sum of these divisors (counting 21031863) is 1, the average is 0.25.

Base conversion 21031863

Base System Value
2 Binary 1010000001110101110110111
3 Ternary 1110120112021220
4 Quaternary 1100032232313
5 Quinary 20341004423
6 Senary 2030441423
8 Octal 120165667
10 Decimal 21031863
12 Duodecimal 7063273
16 Hexadecimal 140ebb7
20 Vigesimal 6b8jd3
36 Base36 cisaf

Cryptographic Hash Functions

md5 c8fab9dce27d9b8861a04077198eadb5
sha1 9bac0b0e939df46ba6031133427c2330482f496a
sha256 30bb629d3fc6ca037758b0082498c4ef196cf4a807b7233011fb0fc205203f36
sha512 a752471e8f11d051395ad944e7b6e6d37d86615429d51137dc7ceb9cd05105dbc6842d6713f703e2c852072af114141db7fe981ac07c717ab79d4e0f7beccc42
ripemd-160 1652af0c08390a1d18b1dc90903751aae052ee89

21031863 as geometric shapes

Circle

Radius = n
Diameter 42063726
Circumference 132147092.58421
Area 1.3896497735398E+15

Sphere

Radius = n
Volume 3.8969231540092E+22
Surface area 5.558599094159E+15
Circumference 132147092.58421

Square

Length = n
Perimeter 84127452
Area 442339261250769
Diagonal 29743545.896573

Cube

Length = n
Surface area 2654035567504614
Volume 9.3032187421474E+21
Space diagonal 36428255.293828

Equilateral Triangle

Length = n
Perimeter 63095589
Area 1.915385186672E+14
Altitude 18214127.646914

Triangular Pyramid

Length = n
Surface area 1.915385186672E+14
Volume 1.096394843239E+21
Height 9914515.2988576