21243864 (number)

21243864 is an even 8-digits composite number following 21243863 and preceding 21243865. In scientific notation, it is written as 2.1243864 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 16 positive divisors. There are 7081280 positive integers (up to 21243864) that are relatively prime to 21243864.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred forty-three thousand eight hundred sixty-four

Notation

Scientific notation 2.1243864 × 10^7
Engineering notation 2.1243864 × 10^6

Prime Factorization of 21243864

Prime Factorization 2 × 2 × 2 × 3 × 885161

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5310966
Product of the distinct prime numbers

The prime factorization of 21243864 is 2 × 2 × 2 × 3 × 885161. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 3, 80, 68, 779, 343, 8116, 2469, 23015, 69754, 366707, 420000, 5602608, 1350906, 20082567, 49041401, 378525852, 270953807, 595531666, 2488100961

Basic calculations (n = 21243864)

Multiplication

n×y
n×2 42487728
n×3 63731592
n×4 84975456
n×5 106219320

Division

n÷y
n÷2 10621932
n÷3 7081288
n÷3 5310966
n÷5 4248772.8

Exponentiation

ny
n2 451301757650496
n3 9.5873931624881E+21
n4 2.0367327645843E+29
n5 4.3268073855172E+36

Nth Root

y√n
2√n 4609.1066379506
3√n 276.95625039436
4√n 67.890401662905
5√n 29.204293371582

Divisors of 21243864

1, 2, 3, 4, 6, 8, 12, 24, 885161, 1770322, 2655483, 3540644, 5310966, 7081288, 10621932, 21243864

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21243863
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21243864 can be divided by 16 positive divisors. The sum of these divisors (counting 21243864) is 1, the average is 0.0625.

Base conversion 21243864

Base System Value
2 Binary 1010001000010011111011000
3 Ternary 1110222022002210
4 Quaternary 1101002133120
5 Quinary 20414300424
6 Senary 2035155120
8 Octal 121023730
10 Decimal 21243864
12 Duodecimal 7145aa0
16 Hexadecimal 14427d8
20 Vigesimal 6cf9d4
36 Base36 cnbvc

Cryptographic Hash Functions

md5 ca8db7fe0791f48d9d352b384639d7a6
sha1 4aa57ff7aca3fe03983c3a8aef40e13ae21e098d
sha256 89b5346b5193c18812f534f9f5b4efeeb439788fef925e9155df4d82ad1a8b58
sha512 ad5c4b6deb02aa57f744cf6f73c3e9626a4da36254538938d5358a9baea2ab5cc528dd3254a3e32495a4642f185470043e9c2a6a0eb8f69a686747b7f32609c5
ripemd-160 725c692cfd0b906ef457b84391278d52c2459846

21243864 as geometric shapes

Circle

Radius = n
Diameter 42487728
Circumference 133479134.15252
Area 1.417806286387E+15

Sphere

Radius = n
Volume 4.0159578568466E+22
Surface area 5.6712251455478E+15
Circumference 133479134.15252

Square

Length = n
Perimeter 84975456
Area 451301757650496
Diagonal 30043360.58601

Cube

Length = n
Surface area 2707810545902976
Volume 9.5873931624881E+21
Space diagonal 36795451.797083

Equilateral Triangle

Length = n
Perimeter 63731592
Area 1.9541939344895E+14
Altitude 18397725.898542

Triangular Pyramid

Length = n
Surface area 1.9541939344895E+14
Volume 1.1298851198495E+21
Height 10014453.52867