21243790 (number)

21243790 is an even 8-digits composite number following 21243789 and preceding 21243791. In scientific notation, it is written as 2.1243790 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 8444736 positive integers (up to 21243790) that are relatively prime to 21243790.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred forty-three thousand seven hundred ninety

Notation

Scientific notation 2.1243790 × 10^7
Engineering notation 2.1243790 × 10^6

Prime Factorization of 21243790

Prime Factorization 2 × 5 × 163 × 13033

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21243790
Product of the distinct prime numbers

The prime factorization of 21243790 is 2 × 5 × 163 × 13033. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 6, 84, 89, 565, 598, 5600, 5253, 55559, 41041, 263378, 563868, 7138544, 9823350, 16330281, 11237067, 26428194, 591464965, 469335284, 3418402642

Basic calculations (n = 21243790)

Multiplication

n×y
n×2 42487580
n×3 63731370
n×4 84975160
n×5 106218950

Division

n÷y
n÷2 10621895
n÷3 7081263.3333333
n÷3 5310947.5
n÷5 4248758

Exponentiation

ny
n2 451298613564100
n3 9.5872929738469E+21
n4 2.0367043860488E+29
n5 4.3267320269299E+36

Nth Root

y√n
2√n 4609.0986103576
3√n 276.95592881466
4√n 67.890342541171
5√n 29.204273025748

Divisors of 21243790

1, 2, 5, 10, 163, 326, 815, 1630, 13033, 26066, 65165, 130330, 2124379, 4248758, 10621895, 21243790

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 -21243789
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 21243790 can be divided by 16 positive divisors. The sum of these divisors (counting 21243790) is 1, the average is 0.0625.

Base conversion 21243790

Base System Value
2 Binary 1010001000010011110001110
3 Ternary 1110222022000001
4 Quaternary 1101002132032
5 Quinary 20414300130
6 Senary 2035154514
8 Octal 121023616
10 Decimal 21243790
12 Duodecimal 7145a3a
16 Hexadecimal 144278e
20 Vigesimal 6cf99a
36 Base36 cnbta

Cryptographic Hash Functions

md5 86f1ab41a70a7017b2b118f49293b0a8
sha1 5de4b4d30885281b24b97354bc8fe4c3ef86a7eb
sha256 bb77020ca867cffd0bfd25261a041b8f41b7e53bd65c2d634817d4c2836608b0
sha512 cc078aeca87588ab96b9d643b87b9ef0081734bf2b056909620d50a2c6ad2d891c0b89b778fadf60d049f615e342b23af802104a669e42271085a89d5bc56ee3
ripemd-160 1dec3cabf2f0f28bc0c7be6c0c379bd4bf447c2d

21243790 as geometric shapes

Circle

Radius = n
Diameter 42487580
Circumference 133478669.19681
Area 1.4177964089482E+15

Sphere

Radius = n
Volume 4.0159158899267E+22
Surface area 5.6711856357929E+15
Circumference 133478669.19681

Square

Length = n
Perimeter 84975160
Area 451298613564100
Diagonal 30043255.934206

Cube

Length = n
Surface area 2707791681384600
Volume 9.5872929738469E+21
Space diagonal 36795323.625324

Equilateral Triangle

Length = n
Perimeter 63731370
Area 1.954180320196E+14
Altitude 18397661.812662

Triangular Pyramid

Length = n
Surface area 1.954180320196E+14
Volume 1.1298733125049E+21
Height 10014418.644735