21993889 (number)

21993889 is an odd 8-digits composite number following 21993888 and preceding 21993890. In scientific notation, it is written as 2.1993889 × 10^7. The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors. There are 21588336 positive integers (up to 21993889) that are relatively prime to 21993889.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred ninety-three thousand eight hundred eighty-nine

Notation

Scientific notation 2.1993889 × 10^7
Engineering notation 2.1993889 × 10^6

Prime Factorization of 21993889

Prime Factorization 67 × 709 × 463

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21993889
Product of the distinct prime numbers

The prime factorization of 21993889 is 67 × 709 × 463. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21993889)

Multiplication

n×y
n×2 43987778
n×3 65981667
n×4 87975556
n×5 109969445

Division

n÷y
n÷2 10996944.5
n÷3 7331296.3333333
n÷3 5498472.25
n÷5 4398777.8

Exponentiation

ny
n2 483731153344321
n3 1.0639129292497E+22
n4 2.3399582871583E+29
n5 5.1464782832389E+36

Nth Root

y√n
2√n 4689.7642797906
3√n 280.17798632606
4√n 68.48185365329
5√n 29.407655746926

Divisors of 21993889

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 -21993888
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 21993889 can be divided by 8 positive divisors. The sum of these divisors (counting 21993889) is 1, the average is 0.125.

Base conversion 21993889

Base System Value
2 Binary 1010011111001100110100001
3 Ternary 1112101101221111
4 Quaternary 1103321212201
5 Quinary 21112301024
6 Senary 2103223321
8 Octal 123714641
10 Decimal 21993889
12 Duodecimal 7447b41
16 Hexadecimal 14f99a1
20 Vigesimal 6h94e9
36 Base36 d3eld

Cryptographic Hash Functions

md5 2822d266bd6f71798355da1960686c2b
sha1 922f5485a11e55b5496243e61f111ac797d9ee82
sha256 6376e46a55c720f14d1e85832901153524f0b7add6643d37d81e33f3a0f701af
sha512 c617e6ca46685359dee30625c6afe100c275e6571048f4bf7b2049460a8d45608e3190fc8a518bf5fd31c165d948c225a5550904427e0c48fd91526abe40b33d
ripemd-160 5b16fefd3cc7cbe1b2f0086ca403f202c33e7f2f

21993889 as geometric shapes

Circle

Radius = n
Diameter 43987778
Circumference 138191680.21254
Area 1.519686237659E+15

Sphere

Radius = n
Volume 4.4565080567867E+22
Surface area 6.0787449506361E+15
Circumference 138191680.21254

Square

Length = n
Perimeter 87975556
Area 483731153344321
Diagonal 31104056.113128

Cube

Length = n
Surface area 2902386920065926
Volume 1.0639129292497E+22
Space diagonal 38094533.20403

Equilateral Triangle

Length = n
Perimeter 65981667
Area 2.0946173369906E+14
Altitude 19047266.602015

Triangular Pyramid

Length = n
Surface area 2.0946173369906E+14
Volume 1.2538334114408E+21
Height 10368018.704376