21568489 (number)

21568489 is an odd 8-digits composite number following 21568488 and preceding 21568490. In scientific notation, it is written as 2.1568489 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 20775552 positive integers (up to 21568489) that are relatively prime to 21568489.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1568489 × 10^7
Engineering notation 2.1568489 × 10^6

Prime Factorization of 21568489

Prime Factorization 29 × 1049 × 709

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21568489
Product of the distinct prime numbers

The prime factorization of 21568489 is 29 × 1049 × 709. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21568489)

Multiplication

n×y
n×2 43136978
n×3 64705467
n×4 86273956
n×5 107842445

Division

n÷y
n÷2 10784244.5
n÷3 7189496.3333333
n÷3 5392122.25
n÷5 4313697.8

Exponentiation

ny
n2 465199717743121
n3 1.0033654994946E+22
n4 2.1641077738828E+29
n5 4.6676534715806E+36

Nth Root

y√n
2√n 4644.1887343216
3√n 278.35983715805
4√n 68.148284896405
5√n 29.293006249745

Divisors of 21568489

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 -21568488
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 21568489 can be divided by 8 positive divisors. The sum of these divisors (counting 21568489) is 1, the average is 0.125.

Base conversion 21568489

Base System Value
2 Binary 1010010010001101111101001
3 Ternary 1111120210101221
4 Quaternary 1102101233221
5 Quinary 21010142424
6 Senary 2050142041
8 Octal 122215751
10 Decimal 21568489
12 Duodecimal 7281921
16 Hexadecimal 1491be9
20 Vigesimal 6eg149
36 Base36 cuacp

Cryptographic Hash Functions

md5 7044f8a9bf7fe6b97e88c261e68fbeee
sha1 8dd3c72b83a5c727e2f80a318cad7dbad9998b33
sha256 edeac1b9315c078d9663ff9f3cb70bb3abe8234975b772106aded7c7aa61a6c3
sha512 1c4f9dfe2a82823d9af2dfac98b171061b749952c1e5ecdb7604b3f76d4e4106e8b453234b37c04788fd5659cb490ba4cbd0e7907bab7e482d9def52746c2d09
ripemd-160 ff928ebd8219f4c2e7d5288c2c15cda6dc3e1bca

21568489 as geometric shapes

Circle

Radius = n
Diameter 43136978
Circumference 135518813.18286
Area 1.4614680157138E+15

Sphere

Radius = n
Volume 4.2028875761034E+22
Surface area 5.8458720628553E+15
Circumference 135518813.18286

Square

Length = n
Perimeter 86273956
Area 465199717743121
Diagonal 30502449.663695

Cube

Length = n
Surface area 2791198306458726
Volume 1.0033654994946E+22
Space diagonal 37357718.79049

Equilateral Triangle

Length = n
Perimeter 64705467
Area 2.0143738669945E+14
Altitude 18678859.395245

Triangular Pyramid

Length = n
Surface area 2.0143738669945E+14
Volume 1.1824775811687E+21
Height 10167483.221232