19902390 (number)

19902390 is an even 8-digits composite number following 19902389 and preceding 19902391. In scientific notation, it is written as 1.9902390 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 5282304 positive integers (up to 19902390) that are relatively prime to 19902390.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred two thousand three hundred ninety

Notation

Scientific notation 1.9902390 × 10^7
Engineering notation 1.9902390 × 10^6

Prime Factorization of 19902390

Prime Factorization 2 × 15 × 229 × 2897

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 19902390
Product of the distinct prime numbers

The prime factorization of 19902390 is 2 × 15 × 229 × 2897. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19902390)

Multiplication

n×y
n×2 39804780
n×3 59707170
n×4 79609560
n×5 99511950

Division

n÷y
n÷2 9951195
n÷3 6634130
n÷3 4975597.5
n÷5 3980478

Exponentiation

ny
n2 396105127712100
n3 7.883438732726E+21
n4 1.5689927219982E+29
n5 3.122670506037E+36

Nth Root

y√n
2√n 4461.2094772606
3√n 270.9994508052
4√n 66.792286061046
5√n 28.825778586506

Divisors of 19902390

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19902389
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19902390 can be divided by 16 positive divisors. The sum of these divisors (counting 19902390) is 1, the average is 0.0625.

Base conversion 19902390

Base System Value
2 Binary 1001011111010111110110110
3 Ternary 1101110010221120
4 Quaternary 1023322332312
5 Quinary 20043334030
6 Senary 1550324410
8 Octal 113727666
10 Decimal 19902390
12 Duodecimal 67b9706
16 Hexadecimal 12fafb6
20 Vigesimal 647fja
36 Base36 buks6

Cryptographic Hash Functions

md5 79fac4bc47ac03c1a026bc3012ea5220
sha1 9b9fea65a2681b1de76d2917456a4db3ffd95e0e
sha256 907a1fc5e453391f1c23ed107b20e8fbc15741765673f79bacc4878792be452e
sha512 f6bc43a2956cafa312f2c990b9f76599986a384827ed9e8f11487a96552bf2133931af0bb84c762d4e47fb283d82759a3bb3d037159e1ddde671050afe9e2c05
ripemd-160 5ff09ae16a6606c5951010562bf0b4354e810d3e

19902390 as geometric shapes

Circle

Radius = n
Diameter 39804780
Circumference 125050404.42576
Area 1.2444009592696E+15

Sphere

Radius = n
Volume 3.3022070943676E+22
Surface area 4.9776038370783E+15
Circumference 125050404.42576

Square

Length = n
Perimeter 79609560
Area 396105127712100
Diagonal 28146229.861639

Cube

Length = n
Surface area 2376630766272600
Volume 7.883438732726E+21
Space diagonal 34471950.672051

Equilateral Triangle

Length = n
Perimeter 59707170
Area 1.7151855158398E+14
Altitude 17235975.336025

Triangular Pyramid

Length = n
Surface area 1.7151855158398E+14
Volume 9.2907216449654E+20
Height 9382076.6205462