19990909 (number)

19990909 is an odd 8-digits composite number following 19990908 and preceding 19990910. In scientific notation, it is written as 1.9990909 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 19942780 positive integers (up to 19990909) that are relatively prime to 19990909.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred ninety thousand nine hundred nine

Notation

Scientific notation 1.9990909 × 10^7
Engineering notation 1.9990909 × 10^6

Prime Factorization of 19990909

Prime Factorization 419 × 47711

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 19990909
Product of the distinct prime numbers

The prime factorization of 19990909 is 419 × 47711. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19990909)

Multiplication

n×y
n×2 39981818
n×3 59972727
n×4 79963636
n×5 99954545

Division

n÷y
n÷2 9995454.5
n÷3 6663636.3333333
n÷3 4997727.25
n÷5 3998181.8

Exponentiation

ny
n2 399636442646281
n3 7.9890957580255E+21
n4 1.5970928629097E+29
n5 3.1927338086978E+36

Nth Root

y√n
2√n 4471.1194347725
3√n 271.40062747543
4√n 66.866429804293
5√n 28.85137452411

Divisors of 19990909

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 -19990908
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 19990909 can be divided by 4 positive divisors. The sum of these divisors (counting 19990909) is 1, the average is 0.25.

Base conversion 19990909

Base System Value
2 Binary 1001100010000100101111101
3 Ternary 1101121122101001
4 Quaternary 1030100211331
5 Quinary 20104202114
6 Senary 1552250301
8 Octal 114204575
10 Decimal 19990909
12 Duodecimal 6840991
16 Hexadecimal 131097d
20 Vigesimal 64ih59
36 Base36 bwh31

Cryptographic Hash Functions

md5 093bd2299e0d90de4cf96a53ec3d13c1
sha1 962c6a202def69b1a6b12a8c4c8a41796e1d1d74
sha256 c37266cfdce172f00e90123dc53e3492698cd9dab8888228451a94e73673e3d5
sha512 aa0d63e87b6534dbfb5b2b855971af07a3e75abb42c5fd10490a869d2e3414d183db34837167842a50048855215259159c51f02067c9298f063eb949cfda2839
ripemd-160 185e0de4c16d63f046555750cb4ed0f596c8e36f

19990909 as geometric shapes

Circle

Radius = n
Diameter 39981818
Circumference 125606585.70596
Area 1.2554949123243E+15

Sphere

Radius = n
Volume 3.3464646056318E+22
Surface area 5.0219796492973E+15
Circumference 125606585.70596

Square

Length = n
Perimeter 79963636
Area 399636442646281
Diagonal 28271414.631966

Cube

Length = n
Surface area 2397818655877686
Volume 7.9890957580255E+21
Space diagonal 34625270.077486

Equilateral Triangle

Length = n
Perimeter 59972727
Area 1.7304765580486E+14
Altitude 17312635.038743

Triangular Pyramid

Length = n
Surface area 1.7304765580486E+14
Volume 9.4152396434142E+20
Height 9423804.8773221