21866489 (number)

21866489 is an odd 8-digits composite number following 21866488 and preceding 21866490. In scientific notation, it is written as 2.1866489 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 20442240 positive integers (up to 21866489) that are relatively prime to 21866489.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred sixty-six thousand four hundred eighty-nine

Notation

Scientific notation 2.1866489 × 10^7
Engineering notation 2.1866489 × 10^6

Prime Factorization of 21866489

Prime Factorization 157 × 3239 × 43

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21866489
Product of the distinct prime numbers

The prime factorization of 21866489 is 157 × 3239 × 43. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21866489)

Multiplication

n×y
n×2 43732978
n×3 65599467
n×4 87465956
n×5 109332445

Division

n÷y
n÷2 10933244.5
n÷3 7288829.6666667
n÷3 5466622.25
n÷5 4373297.8

Exponentiation

ny
n2 478143341187121
n3 1.0455316110491E+22
n4 2.2862105472158E+29
n5 4.9991397782379E+36

Nth Root

y√n
2√n 4676.1617807771
3√n 279.63595972353
4√n 68.382466910584
5√n 29.373507658022

Divisors of 21866489

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21866488
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21866489 can be divided by 8 positive divisors. The sum of these divisors (counting 21866489) is 1, the average is 0.125.

Base conversion 21866489

Base System Value
2 Binary 1010011011010011111111001
3 Ternary 1112010221011222
4 Quaternary 1103122133321
5 Quinary 21044211424
6 Senary 2100401425
8 Octal 123323771
10 Decimal 21866489
12 Duodecimal 73a6275
16 Hexadecimal 14da7f9
20 Vigesimal 6gd649
36 Base36 d0oah

Cryptographic Hash Functions

md5 f6f36590605ee06c75076fd9acf1184f
sha1 c6411dd094fd228db127cba8e74209058c4b9579
sha256 c20cbf4a19c3b8ca4d8153df543ab5f261e20f1b3d7a97dc3b96b0b795d9446d
sha512 c8812857eabe4947c1a780925cc8fb8c14d72c401025274cbeae8475b07e12b4e96e33b609c8c029a047c78787f3ea5ab76f14467b9256b316583ebf5d15a453
ripemd-160 5f586a67c98d9a3462db8598f92068b138d0ae52

21866489 as geometric shapes

Circle

Radius = n
Diameter 43732978
Circumference 137391202.4044
Area 1.5021316080363E+15

Sphere

Radius = n
Volume 4.3795125711572E+22
Surface area 6.0085264321453E+15
Circumference 137391202.4044

Square

Length = n
Perimeter 87465956
Area 478143341187121
Diagonal 30923885.305282

Cube

Length = n
Surface area 2868860047122726
Volume 1.0455316110491E+22
Space diagonal 37873869.931146

Equilateral Triangle

Length = n
Perimeter 65599467
Area 2.0704214005921E+14
Altitude 18936934.965573

Triangular Pyramid

Length = n
Surface area 2.0704214005921E+14
Volume 1.2321708201962E+21
Height 10307961.768427