21244540 (number)

21244540 is an even 8-digits composite number following 21244539 and preceding 21244541. In scientific notation, it is written as 2.1244540 × 10^7. The sum of its digits is 22. It has a total of 5 prime factors and 24 positive divisors. There are 8479680 positive integers (up to 21244540) that are relatively prime to 21244540.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred forty-four thousand five hundred forty

Notation

Scientific notation 2.1244540 × 10^7
Engineering notation 2.1244540 × 10^6

Prime Factorization of 21244540

Prime Factorization 2 × 2 × 5 × 661 × 1607

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10622270
Product of the distinct prime numbers

The prime factorization of 21244540 is 2 × 2 × 5 × 661 × 1607. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 1, 34, 4, 421, 328, 8850, 7939, 63961, 54743, 277049, 534814, 5992926, 6930885, 82826107, 7853854, 959435185, 846739976, 8846647201, 2538636614

Basic calculations (n = 21244540)

Multiplication

n×y
n×2 42489080
n×3 63733620
n×4 84978160
n×5 106222700

Division

n÷y
n÷2 10622270
n÷3 7081513.3333333
n÷3 5311135
n÷5 4248908

Exponentiation

ny
n2 451330479811600
n3 9.5883084315767E+21
n4 2.0369920200697E+29
n5 4.3274958450051E+36

Nth Root

y√n
2√n 4609.1799704503
3√n 276.95918803382
4√n 67.890941740782
5√n 29.204479230907

Divisors of 21244540

1, 2, 4, 5, 10, 20, 661, 1322, 1607, 2644, 3214, 3305, 6428, 6610, 8035, 13220, 16070, 32140, 1062227, 2124454, 4248908, 5311135, 10622270, 21244540

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21244539
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21244540 can be divided by 24 positive divisors. The sum of these divisors (counting 21244540) is 1, the average is 0.041666666666667.

Base conversion 21244540

Base System Value
2 Binary 1010001000010101001111100
3 Ternary 1110222100000211
4 Quaternary 1101002221330
5 Quinary 20414311130
6 Senary 2035202204
8 Octal 121025174
10 Decimal 21244540
12 Duodecimal 7146364
16 Hexadecimal 1442a7c
20 Vigesimal 6cfb70
36 Base36 cnce4

Cryptographic Hash Functions

md5 c06cefe6f7cd643335e21de9cda5aa14
sha1 b8339a183f105730ff72408f9218c0025cd79d4e
sha256 b6e605c71087e10265f58888d7b271cd85a266dc1b85fc419dac5bddaf1f6ff3
sha512 cf0b1ebf54b686d3a68e5c0f5083241d70caef926bbdca59709e60f26b2c7a02d7757807b67d423c1ff5ad834adfbe6d88b6d9317c51cc052002a74df5733d7b
ripemd-160 15fa757dd552dde987c20583adaca417d03fc955

21244540 as geometric shapes

Circle

Radius = n
Diameter 42489080
Circumference 133483381.58579
Area 1.4178965197173E+15

Sphere

Radius = n
Volume 4.0163412438659E+22
Surface area 5.6715860788691E+15
Circumference 133483381.58579

Square

Length = n
Perimeter 84978160
Area 451330479811600
Diagonal 30044316.594378

Cube

Length = n
Surface area 2707982878869600
Volume 9.5883084315767E+21
Space diagonal 36796622.663429

Equilateral Triangle

Length = n
Perimeter 63733620
Area 1.9543183050953E+14
Altitude 18398311.331715

Triangular Pyramid

Length = n
Surface area 1.9543183050953E+14
Volume 1.129992985346E+21
Height 10014772.198126