19998906 (number)

19998906 is an even 8-digits composite number following 19998905 and preceding 19998907. In scientific notation, it is written as 1.9998906 × 10^7. The sum of its digits is 51. It has a total of 5 prime factors and 32 positive divisors. There are 6110640 positive integers (up to 19998906) that are relatively prime to 19998906.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred ninety-eight thousand nine hundred six

Notation

Scientific notation 1.9998906 × 10^7
Engineering notation 1.9998906 × 10^6

Prime Factorization of 19998906

Prime Factorization 2 × 31 × 3 × 19 × 5659

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 19998906
Product of the distinct prime numbers

The prime factorization of 19998906 is 2 × 31 × 3 × 19 × 5659. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19998906)

Multiplication

n×y
n×2 39997812
n×3 59996718
n×4 79995624
n×5 99994530

Division

n÷y
n÷2 9999453
n÷3 6666302
n÷3 4999726.5
n÷5 3999781.2

Exponentiation

ny
n2 399956241196836
n3 7.9986872718089E+21
n4 1.599649948723E+29
n5 3.1991248957416E+36

Nth Root

y√n
2√n 4472.0136404085
3√n 271.43681228112
4√n 66.873115976516
5√n 28.853682448498

Divisors of 19998906

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19998905
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19998906 can be divided by 32 positive divisors. The sum of these divisors (counting 19998906) is 1, the average is 0.03125.

Base conversion 19998906

Base System Value
2 Binary 1001100010010100010111010
3 Ternary 1101122001100020
4 Quaternary 1030102202322
5 Quinary 20104431111
6 Senary 1552351310
8 Octal 114224272
10 Decimal 19998906
12 Duodecimal 6845536
16 Hexadecimal 13128ba
20 Vigesimal 64jh56
36 Base36 bwn96

Cryptographic Hash Functions

md5 15b9742ba3ec6e473622252fa3b7102c
sha1 ccd9f647caa51d2f373f9c3f378a897922dc83b1
sha256 e1ba834d5f3a4b162d91efe667de259235d494a047e272ed41837e5efdb8c45a
sha512 3eb79700f6ee2ae92fbc1b072b64a56e969b480fe68d37e97daf8817585f4fadc7f503c68571aaf9ed304228cf3debf1cd0aca11aa05d9542e9eef44c656b59c
ripemd-160 7f60e981aeb49c12c96a2c3fe303e856092272a3

19998906 as geometric shapes

Circle

Radius = n
Diameter 39997812
Circumference 125656832.33887
Area 1.2564995891014E+15

Sphere

Radius = n
Volume 3.3504822895302E+22
Surface area 5.0259983564055E+15
Circumference 125656832.33887

Square

Length = n
Perimeter 79995624
Area 399956241196836
Diagonal 28282724.097825

Cube

Length = n
Surface area 2399737447181016
Volume 7.9986872718089E+21
Space diagonal 34639121.287794

Equilateral Triangle

Length = n
Perimeter 59996718
Area 1.731861326393E+14
Altitude 17319560.643897

Triangular Pyramid

Length = n
Surface area 1.731861326393E+14
Volume 9.4265433508109E+20
Height 9427574.6992749