19987550 (number)

19987550 is an even 8-digits composite number following 19987549 and preceding 19987551. In scientific notation, it is written as 1.9987550 × 10^7. The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors. There are 7268000 positive integers (up to 19987550) that are relatively prime to 19987550.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred eighty-seven thousand five hundred fifty

Notation

Scientific notation 1.9987550 × 10^7
Engineering notation 1.9987550 × 10^6

Prime Factorization of 19987550

Prime Factorization 2 × 25 × 11 × 36341

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 19987550
Product of the distinct prime numbers

The prime factorization of 19987550 is 2 × 25 × 11 × 36341. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19987550)

Multiplication

n×y
n×2 39975100
n×3 59962650
n×4 79950200
n×5 99937750

Division

n÷y
n÷2 9993775
n÷3 6662516.6666667
n÷3 4996887.5
n÷5 3997510

Exponentiation

ny
n2 399502155002500
n3 7.9850692982202E+21
n4 1.5960197185164E+29
n5 3.1900523924833E+36

Nth Root

y√n
2√n 4470.7437859936
3√n 271.38542580264
4√n 66.863620796316
5√n 28.850404900556

Divisors of 19987550

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 -19987549
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 19987550 can be divided by 16 positive divisors. The sum of these divisors (counting 19987550) is 1, the average is 0.0625.

Base conversion 19987550

Base System Value
2 Binary 1001100001111110001011110
3 Ternary 1101121110202122
4 Quaternary 1030033301132
5 Quinary 20104100200
6 Senary 1552222542
8 Octal 114176136
10 Decimal 19987550
12 Duodecimal 683aa52
16 Hexadecimal 130fc5e
20 Vigesimal 64i8ha
36 Base36 bwehq

Cryptographic Hash Functions

md5 5c92d9b58a263798d57c3315b03f8057
sha1 87579b8b950b5094721f22a3c0d65e075fb3f926
sha256 bf4afa9fcfbbc7a33c4caecb68ef3a1803a5178dd975c39aded00d460a9e92d7
sha512 20b554aecd936310fda0b01332527a67a9cd25742669def3857ab66d7bf7462f1deace3a68c16df05c23f3cd4bef3a21d32d54f4efea594574d599dd0420cc7a
ripemd-160 0320652d7ef728ee61e0f6f6a405fa5c9cb07793

19987550 as geometric shapes

Circle

Radius = n
Diameter 39975100
Circumference 125585480.48652
Area 1.2550730352491E+15

Sphere

Radius = n
Volume 3.3447780060925E+22
Surface area 5.0202921409966E+15
Circumference 125585480.48652

Square

Length = n
Perimeter 79950200
Area 399502155002500
Diagonal 28266664.28861

Cube

Length = n
Surface area 2397012930015000
Volume 7.9850692982202E+21
Space diagonal 34619452.118823

Equilateral Triangle

Length = n
Perimeter 59962650
Area 1.729895075494E+14
Altitude 17309726.059412

Triangular Pyramid

Length = n
Surface area 1.729895075494E+14
Volume 9.4104944150267E+20
Height 9422221.4295368