19989405 (number)

19989405 is an odd 8-digits composite number following 19989404 and preceding 19989406. In scientific notation, it is written as 1.9989405 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 10660992 positive integers (up to 19989405) that are relatively prime to 19989405.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred eighty-nine thousand four hundred five

Notation

Scientific notation 1.9989405 × 10^7
Engineering notation 1.9989405 × 10^6

Prime Factorization of 19989405

Prime Factorization 3 × 15 × 444209

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 19989405
Product of the distinct prime numbers

The prime factorization of 19989405 is 3 × 15 × 444209. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19989405)

Multiplication

n×y
n×2 39978810
n×3 59968215
n×4 79957620
n×5 99947025

Division

n÷y
n÷2 9994702.5
n÷3 6663135
n÷3 4997351.25
n÷5 3997881

Exponentiation

ny
n2 399576312254025
n3 7.9872927340522E+21
n4 1.5966122931453E+29
n5 3.1915329755659E+36

Nth Root

y√n
2√n 4470.9512410672
3√n 271.39382110191
4√n 66.865172108259
5√n 28.850940389042

Divisors of 19989405

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 -19989404
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 19989405 can be divided by 8 positive divisors. The sum of these divisors (counting 19989405) is 1, the average is 0.125.

Base conversion 19989405

Base System Value
2 Binary 1001100010000001110011101
3 Ternary 1101121120022100
4 Quaternary 1030100032131
5 Quinary 20104130110
6 Senary 1552235313
8 Octal 114201635
10 Decimal 19989405
12 Duodecimal 683bb39
16 Hexadecimal 131039d
20 Vigesimal 64ida5
36 Base36 bwfx9

Cryptographic Hash Functions

md5 1adfd61835efd51d3f425321187d223e
sha1 0b85ef3040cd56efc2a1b0a0ad1b0af734fd947e
sha256 e74f92b4826125e7645c9d591e6a68441d692c9eac0cc8c2ef7a602143c5d58d
sha512 2306f732a6d741b56710c809e6304a2e160335563a924cee0c2d093c5a42b7e936aa37c2ad42b3dcd647c70fe1b6c4a6a48fd0010406b7a5f23b31c1fcf17353
ripemd-160 70c71796a297dbfe55334e3dbda1c400623fb661

19989405 as geometric shapes

Circle

Radius = n
Diameter 39978810
Circumference 125597135.79526
Area 1.2553060071257E+15

Sphere

Radius = n
Volume 3.3457093567159E+22
Surface area 5.021224028503E+15
Circumference 125597135.79526

Square

Length = n
Perimeter 79957620
Area 399576312254025
Diagonal 28269287.654769

Cube

Length = n
Surface area 2397457873524150
Volume 7.9872927340522E+21
Space diagonal 34622665.073071

Equilateral Triangle

Length = n
Perimeter 59968215
Area 1.7302161858124E+14
Altitude 17311332.536536

Triangular Pyramid

Length = n
Surface area 1.7302161858124E+14
Volume 9.4131147592839E+20
Height 9423095.8849229