21284889 (number)

21284889 is an odd 8-digits composite number following 21284888 and preceding 21284890. In scientific notation, it is written as 2.1284889 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 14168496 positive integers (up to 21284889) that are relatively prime to 21284889.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred eighty-four thousand eight hundred eighty-nine

Notation

Scientific notation 2.1284889 × 10^7
Engineering notation 2.1284889 × 10^6

Prime Factorization of 21284889

Prime Factorization 3 × 709 × 10007

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21284889
Product of the distinct prime numbers

The prime factorization of 21284889 is 3 × 709 × 10007. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21284889)

Multiplication

n×y
n×2 42569778
n×3 63854667
n×4 85139556
n×5 106424445

Division

n÷y
n÷2 10642444.5
n÷3 7094963
n÷3 5321222.25
n÷5 4256977.8

Exponentiation

ny
n2 453046499742321
n3 9.6430444588538E+21
n4 2.0525113092877E+29
n5 4.3687475389433E+36

Nth Root

y√n
2√n 4613.5549200156
3√n 277.13441672719
4√n 67.923154520499
5√n 29.215564218726

Divisors of 21284889

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 -21284888
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 21284889 can be divided by 8 positive divisors. The sum of these divisors (counting 21284889) is 1, the average is 0.125.

Base conversion 21284889

Base System Value
2 Binary 1010001001100100000011001
3 Ternary 1111001101101020
4 Quaternary 1101030200121
5 Quinary 20422104024
6 Senary 2040113053
8 Octal 121144031
10 Decimal 21284889
12 Duodecimal 7165789
16 Hexadecimal 144c819
20 Vigesimal 6d0c49
36 Base36 co7ix

Cryptographic Hash Functions

md5 be61de4547d3d6f05fe6759dc2884f95
sha1 3b2c088df59fcff84c43e757cd3f0afea31289e4
sha256 1da700a94384d2762a7cb81dd79953c9a3e2166f9d190ceae49ba2611f2be34f
sha512 0a90b4d9166feb8ba6891360b549e850803b6b50c2af371b198eed2ecf019b1a9ea6e3583a99a8a303620b31491ab22dbde06ff8483f6d0b1f73a344e0531163
ripemd-160 88ff4680fea043736bd57a549f891c16c31d9e8f

21284889 as geometric shapes

Circle

Radius = n
Diameter 42569778
Circumference 133736901.82975
Area 1.423287555325E+15

Sphere

Radius = n
Volume 4.0392690173567E+22
Surface area 5.6931502213002E+15
Circumference 133736901.82975

Square

Length = n
Perimeter 85139556
Area 453046499742321
Diagonal 30101378.697406

Cube

Length = n
Surface area 2718278998453926
Volume 9.6430444588538E+21
Space diagonal 36866509.181464

Equilateral Triangle

Length = n
Perimeter 63854667
Area 1.9617488893624E+14
Altitude 18433254.590732

Triangular Pyramid

Length = n
Surface area 1.9617488893624E+14
Volume 1.1364436880232E+21
Height 10033792.899135