21861244 (number)

21861244 is an even 8-digits composite number following 21861243 and preceding 21861245. In scientific notation, it is written as 2.1861244 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors. There are 10553648 positive integers (up to 21861244) that are relatively prime to 21861244.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1861244 × 10^7
Engineering notation 2.1861244 × 10^6

Prime Factorization of 21861244

Prime Factorization 2 × 2 × 29 × 188459

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10930622
Product of the distinct prime numbers

The prime factorization of 21861244 is 2 × 2 × 29 × 188459. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 10, 42, 8, 549, 885, 2691, 4990, 22182, 81160, 252085, 876003, 61611, 7119816, 51902305, 20337206, 334956266, 320526945, 1612965956, 5226310736

Basic calculations (n = 21861244)

Multiplication

n×y
n×2 43722488
n×3 65583732
n×4 87444976
n×5 109306220

Division

n÷y
n÷2 10930622
n÷3 7287081.3333333
n÷3 5465311
n÷5 4372248.8

Exponentiation

ny
n2 477913989227536
n3 1.0447794329517E+22
n4 2.2840178109938E+29
n5 4.9931470666481E+36

Nth Root

y√n
2√n 4675.6009239455
3√n 279.61359966543
4√n 68.378365905786
5√n 29.372098388966

Divisors of 21861244

1, 2, 4, 29, 58, 116, 188459, 376918, 753836, 5465311, 10930622, 21861244

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21861243
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21861244 can be divided by 12 positive divisors. The sum of these divisors (counting 21861244) is 1, the average is 0.083333333333333.

Base conversion 21861244

Base System Value
2 Binary 1010011011001001101111100
3 Ternary 1112010122222201
4 Quaternary 1103121031330
5 Quinary 21044024434
6 Senary 2100321244
8 Octal 123311574
10 Decimal 21861244
12 Duodecimal 73a3224
16 Hexadecimal 14d937c
20 Vigesimal 6gcd24
36 Base36 d0k8s

Cryptographic Hash Functions

md5 ab422e00e73c889436080f1eb6244a45
sha1 e8e25260c39bd1c6e578a84a3b866a7fe5237eb4
sha256 ca69955cc864223f937985a16da38003955fe2f13b72e2e0851f97445a8f8cf2
sha512 0d424e5e74c892151dac8232cedc4a400c1ee3cdfb082faef666a881c30339f9762316d0391dd9dbe2801262d6a2e6da73c72ebb73f04b301c63c19f87f8b3f9
ripemd-160 b03982df4de6d8c135c1b886a937fe1df9a2c525

21861244 as geometric shapes

Circle

Radius = n
Diameter 43722488
Circumference 137358247.09747
Area 1.501411077605E+15

Sphere

Radius = n
Volume 4.3763618549102E+22
Surface area 6.0056443104201E+15
Circumference 137358247.09747

Square

Length = n
Perimeter 87444976
Area 477913989227536
Diagonal 30916467.755147

Cube

Length = n
Surface area 2867483935365216
Volume 1.0447794329517E+22
Space diagonal 37864785.32466

Equilateral Triangle

Length = n
Perimeter 65583732
Area 2.069428277475E+14
Altitude 18932392.66233

Triangular Pyramid

Length = n
Surface area 2.069428277475E+14
Volume 1.2312843698073E+21
Height 10305489.251716