19989815 (number)

19989815 is an odd 8-digits composite number following 19989814 and preceding 19989816. In scientific notation, it is written as 1.9989815 × 10^7. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 15991848 positive integers (up to 19989815) that are relatively prime to 19989815.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred eighty-nine thousand eight hundred fifteen

Notation

Scientific notation 1.9989815 × 10^7
Engineering notation 1.9989815 × 10^6

Prime Factorization of 19989815

Prime Factorization 5 × 3997963

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 19989815
Product of the distinct prime numbers

The prime factorization of 19989815 is 5 × 3997963. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19989815)

Multiplication

n×y
n×2 39979630
n×3 59969445
n×4 79959260
n×5 99949075

Division

n÷y
n÷2 9994907.5
n÷3 6663271.6666667
n÷3 4997453.75
n÷5 3997963

Exponentiation

ny
n2 399592703734225
n3 7.987784222997E+21
n4 1.5967432887763E+29
n5 3.1918602945129E+36

Nth Root

y√n
2√n 4470.9970923721
3√n 271.39567659662
4√n 66.865514971262
5√n 28.851058739624

Divisors of 19989815

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19989814
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19989815 can be divided by 4 positive divisors. The sum of these divisors (counting 19989815) is 1, the average is 0.25.

Base conversion 19989815

Base System Value
2 Binary 1001100010000010100110111
3 Ternary 1101121120212112
4 Quaternary 1030100110313
5 Quinary 20104133230
6 Senary 1552241235
8 Octal 114202467
10 Decimal 19989815
12 Duodecimal 684021b
16 Hexadecimal 1310537
20 Vigesimal 64ieaf
36 Base36 bwg8n

Cryptographic Hash Functions

md5 7e7b93a6311180273859b259f30ec610
sha1 113572498a17e3334260869901673306edb3ce41
sha256 d2493e9071e1756bdd6f9f849221a9aa8630361f5c9478719ceb275194a822d9
sha512 f2d15910518b01bcc99feb0f431dbc3fd107e2096c25e63130a6cd874d482d6b1baa3c7ec48fcd7864595502852d4b999b7ba620aa1f88793b7851114807a78f
ripemd-160 a2968a2b5d33b2f2d4f5e7afa542d3e3f7e72758

19989815 as geometric shapes

Circle

Radius = n
Diameter 39979630
Circumference 125599711.90124
Area 1.2553575024795E+15

Sphere

Radius = n
Volume 3.3459152311237E+22
Surface area 5.0214300099181E+15
Circumference 125599711.90124

Square

Length = n
Perimeter 79959260
Area 399592703734225
Diagonal 28269867.482329

Cube

Length = n
Surface area 2397556222405350
Volume 7.987784222997E+21
Space diagonal 34623375.213902

Equilateral Triangle

Length = n
Perimeter 59969445
Area 1.7302871630037E+14
Altitude 17311687.606951

Triangular Pyramid

Length = n
Surface area 1.7302871630037E+14
Volume 9.4136939845601E+20
Height 9423289.1607764