19903890 (number)

19903890 is an even 8-digits composite number following 19903889 and preceding 19903891. In scientific notation, it is written as 1.9903890 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 5307696 positive integers (up to 19903890) that are relatively prime to 19903890.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred three thousand eight hundred ninety

Notation

Scientific notation 1.9903890 × 10^7
Engineering notation 1.9903890 × 10^6

Prime Factorization of 19903890

Prime Factorization 2 × 15 × 663463

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 19903890
Product of the distinct prime numbers

The prime factorization of 19903890 is 2 × 15 × 663463. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19903890)

Multiplication

n×y
n×2 39807780
n×3 59711670
n×4 79615560
n×5 99519450

Division

n÷y
n÷2 9951945
n÷3 6634630
n÷3 4975972.5
n÷5 3980778

Exponentiation

ny
n2 396164837132100
n3 7.8852213401452E+21
n4 1.569465781799E+29
n5 3.1238474279692E+36

Nth Root

y√n
2√n 4461.3775899379
3√n 271.00625884793
4√n 66.793544522939
5√n 28.826213080699

Divisors of 19903890

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 -19903889
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 19903890 can be divided by 8 positive divisors. The sum of these divisors (counting 19903890) is 1, the average is 0.125.

Base conversion 19903890

Base System Value
2 Binary 1001011111011010110010010
3 Ternary 1101110020000010
4 Quaternary 1023323112102
5 Quinary 20043411030
6 Senary 1550335350
8 Octal 113732622
10 Decimal 19903890
12 Duodecimal 67ba556
16 Hexadecimal 12fb592
20 Vigesimal 647jea
36 Base36 bulxu

Cryptographic Hash Functions

md5 1b3315436c5c992de1f001834a479292
sha1 b99109d2ab05df9cc3d4b2844da15a90814546ce
sha256 34c4dee0ae401512b3fcbaaa188fc3e1d54be315d2bd54053b1c316cb783593e
sha512 3f2affe5bb8ae8392c18c54f403ad8607582d8c54cab135a00c761f7b06207ad64925d4c238a51fafdd559a3e635b75942a7b0c043eb8a2326295dab529d451a
ripemd-160 63dca8cb6fbc13a8215e4be512a4ec7bf405d0bd

19903890 as geometric shapes

Circle

Radius = n
Diameter 39807780
Circumference 125059829.20372
Area 1.2445885419448E+15

Sphere

Radius = n
Volume 3.3029537912173E+22
Surface area 4.9783541677792E+15
Circumference 125059829.20372

Square

Length = n
Perimeter 79615560
Area 396164837132100
Diagonal 28148351.181982

Cube

Length = n
Surface area 2376989022792600
Volume 7.8852213401452E+21
Space diagonal 34474548.748262

Equilateral Triangle

Length = n
Perimeter 59711670
Area 1.7154440652126E+14
Altitude 17237274.374131

Triangular Pyramid

Length = n
Surface area 1.7154440652126E+14
Volume 9.292822467956E+20
Height 9382783.7273274