21305864 (number)

21305864 is an even 8-digits composite number following 21305863 and preceding 21305865. In scientific notation, it is written as 2.1305864 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 16 positive divisors. There are 10623312 positive integers (up to 21305864) that are relatively prime to 21305864.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred five thousand eight hundred sixty-four

Notation

Scientific notation 2.1305864 × 10^7
Engineering notation 2.1305864 × 10^6

Prime Factorization of 21305864

Prime Factorization 2 × 2 × 2 × 379 × 7027

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5326466
Product of the distinct prime numbers

The prime factorization of 21305864 is 2 × 2 × 2 × 379 × 7027. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 5, 3, 36, 549, 463, 20, 2860, 13633, 42303, 394404, 604836, 9925521, 7551791, 90725138, 21105697, 753421246, 676801039, 7407962847, 647373178

Basic calculations (n = 21305864)

Multiplication

n×y
n×2 42611728
n×3 63917592
n×4 85223456
n×5 106529320

Division

n÷y
n÷2 10652932
n÷3 7101954.6666667
n÷3 5326466
n÷5 4261172.8

Exponentiation

ny
n2 453939840786496
n3 9.6715805119787E+21
n4 2.0606137905327E+29
n5 4.3903157177614E+36

Nth Root

y√n
2√n 4615.8275531046
3√n 277.22542003654
4√n 67.939881903817
5√n 29.221319992715

Divisors of 21305864

1, 2, 4, 8, 379, 758, 1516, 3032, 7027, 14054, 28108, 56216, 2663233, 5326466, 10652932, 21305864

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 -21305863
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 21305864 can be divided by 16 positive divisors. The sum of these divisors (counting 21305864) is 1, the average is 0.0625.

Base conversion 21305864

Base System Value
2 Binary 1010001010001101000001000
3 Ternary 1111002110011002
4 Quaternary 1101101220020
5 Quinary 20423241424
6 Senary 2040354132
8 Octal 121215010
10 Decimal 21305864
12 Duodecimal 7175948
16 Hexadecimal 1451a08
20 Vigesimal 6d34d4
36 Base36 conpk

Cryptographic Hash Functions

md5 390bdfcee85ee8f2e5beaa0be0a9d9c7
sha1 e511a6302305e14e7cc6a3fc5206991a38e8f01a
sha256 bdea7e4e6da66d166bf78cfe1deca182d17460356a6c0e5ca2427bdfb5f0d53d
sha512 88ae52ef97291535b094ff5550e0288dd7da9f46e1084e3c70b29e5f24c1bad28a85ff2b2e54de8a2c3165d7da130906aae97d68d5659ee2b778fed477c5d0e1
ripemd-160 639815e9be5ab644f90ab6cecf32efc0c9ab66e0

21305864 as geometric shapes

Circle

Radius = n
Diameter 42611728
Circumference 133868691.64157
Area 1.4260940689866E+15

Sphere

Radius = n
Volume 4.0512221713379E+22
Surface area 5.7043762759463E+15
Circumference 133868691.64157

Square

Length = n
Perimeter 85223456
Area 453939840786496
Diagonal 30131041.826877

Cube

Length = n
Surface area 2723639044718976
Volume 9.6715805119787E+21
Space diagonal 36902838.947153

Equilateral Triangle

Length = n
Perimeter 63917592
Area 1.9656171695548E+14
Altitude 18451419.473576

Triangular Pyramid

Length = n
Surface area 1.9656171695548E+14
Volume 1.1398066941353E+21
Height 10043680.608959