19994890 (number)

19994890 is an even 8-digits composite number following 19994889 and preceding 19994891. In scientific notation, it is written as 1.9994890 × 10^7. The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors. There are 7527424 positive integers (up to 19994890) that are relatively prime to 19994890.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred ninety-four thousand eight hundred ninety

Notation

Scientific notation 1.9994890 × 10^7
Engineering notation 1.9994890 × 10^6

Prime Factorization of 19994890

Prime Factorization 2 × 85 × 117617

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 19994890
Product of the distinct prime numbers

The prime factorization of 19994890 is 2 × 85 × 117617. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 3, 52, 31, 512, 927, 4027, 4845, 16034, 60542, 174837, 808062, 9313827, 5071863, 4840616, 27297475, 264650419, 36235252, 8441915378, 9606414756

Basic calculations (n = 19994890)

Multiplication

n×y
n×2 39989780
n×3 59984670
n×4 79979560
n×5 99974450

Division

n÷y
n÷2 9997445
n÷3 6664963.3333333
n÷3 4998722.5
n÷5 3998978

Exponentiation

ny
n2 399795626112100
n3 7.9938695665926E+21
n4 1.5983654265837E+29
n5 3.1959140884343E+36

Nth Root

y√n
2√n 4471.5646031339
3√n 271.41864190031
4√n 66.869758509613
5√n 28.85252352813

Divisors of 19994890

1, 2, 85, 170, 117617, 235234, 9997445, 19994890

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 -19994889
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 19994890 can be divided by 8 positive divisors. The sum of these divisors (counting 19994890) is 1, the average is 0.125.

Base conversion 19994890

Base System Value
2 Binary 1001100010001100100001010
3 Ternary 1101121211211111
4 Quaternary 1030101210022
5 Quinary 20104314030
6 Senary 1552320534
8 Octal 114214412
10 Decimal 19994890
12 Duodecimal 684314a
16 Hexadecimal 131190a
20 Vigesimal 64j74a
36 Base36 bwk5m

Cryptographic Hash Functions

md5 0762910279edaec040007e3145852db7
sha1 4752007b3d93a63d6c766c3cc87c8d533953cae3
sha256 473b51676fc6368e512190ac053bbbb36751a430ce30cca1296d43635c883d24
sha512 cefdf6b1f1093c9cdeda92cac38997eed2e24a8d17442d68181f6273ebc7a0ad90648f90930f872f3c40c4fa6190b003d0043447e59b72d472dda9ccf6a39763
ripemd-160 835287f73d6470e0acdeb5290b35c547a81d4db6

19994890 as geometric shapes

Circle

Radius = n
Diameter 39989780
Circumference 125631599.06667
Area 1.2559950019311E+15

Sphere

Radius = n
Volume 3.3484642538883E+22
Surface area 5.0239800077244E+15
Circumference 125631599.06667

Square

Length = n
Perimeter 79979560
Area 399795626112100
Diagonal 28277044.616158

Cube

Length = n
Surface area 2398773756672600
Volume 7.9938695665926E+21
Space diagonal 34632165.371751

Equilateral Triangle

Length = n
Perimeter 59984670
Area 1.7311658426749E+14
Altitude 17316082.685875

Triangular Pyramid

Length = n
Surface area 1.7311658426749E+14
Volume 9.420865630764E+20
Height 9425681.5387194