19906 (number)

19906 is an even 5-digits composite number following 19905 and preceding 19907. In scientific notation, it is written as 1.9906 × 10^4. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 9648 positive integers (up to 19906) that are relatively prime to 19906.

Interesting facts

Basic properties

Name

Name nineteen thousand nine hundred six

Notation

Scientific notation 1.9906 × 10^4
Engineering notation 1.9906 × 10^3

Prime Factorization of 19906

Prime Factorization 2 × 37 × 269

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 19906
Product of the distinct prime numbers

The prime factorization of 19906 is 2 × 37 × 269. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19906)

Multiplication

n×y
n×2 39812
n×3 59718
n×4 79624
n×5 99530

Division

n÷y
n÷2 9953
n÷3 6635.3333333333
n÷3 4976.5
n÷5 3981.2

Exponentiation

ny
n2 396248836
n3 7887729329416
n4 157013140031354896
n5 3.1255035654642E+21

Nth Root

y√n
2√n 141.08862463005
3√n 27.101583491574
4√n 11.87807327095
5√n 7.2409708633935

Divisors of 19906

1, 2, 37, 74, 269, 538, 9953, 19906

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 -19905
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 19906 can be divided by 8 positive divisors. The sum of these divisors (counting 19906) is 1, the average is 0.125.

Base conversion 19906

Base System Value
2 Binary 100110111000010
3 Ternary 1000022021
4 Quaternary 10313002
5 Quinary 1114111
6 Senary 232054
8 Octal 46702
10 Decimal 19906
12 Duodecimal b62a
16 Hexadecimal 4dc2
20 Vigesimal 29f6
36 Base36 fcy

Cryptographic Hash Functions

md5 0cb656f78993ef2542ab838079ec9426
sha1 3e0120fb1046ae21f223e486849edc3fa5bbe72a
sha256 eb4f56b901c90ae1997085cb575130bfe6664f34feee66ab9f9eb7694f2aae18
sha512 69ccb3e0a650594a265699e4d5e366e1c18b2817e54726d5a7cc25c32e184a2be20fa78f01ad550802502e83a9047d05d627654e5c6887eb20ce95a9b85befa0
ripemd-160 581af1d44a973c1f9f6573ed84da31391e870ac3

19906 as geometric shapes

Circle

Radius = n
Diameter 39812
Circumference 125073.08672472
Area 1244852432.1711

Sphere

Radius = n
Volume 33040043353064
Surface area 4979409728.6844
Circumference 125073.08672472

Square

Length = n
Perimeter 79624
Area 396248836
Diagonal 28151.335172599

Cube

Length = n
Surface area 2377493016
Volume 7887729329416
Space diagonal 34478.203375466

Equilateral Triangle

Length = n
Perimeter 59718
Area 171580779.09801
Altitude 17239.101687733

Triangular Pyramid

Length = n
Surface area 171580779.09801
Volume 929577816165.68
Height 9383.7783908663