19981305 (number)

19981305 is an odd 8-digits composite number following 19981304 and preceding 19981306. In scientific notation, it is written as 1.9981305 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 10656672 positive integers (up to 19981305) that are relatively prime to 19981305.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred eighty-one thousand three hundred five

Notation

Scientific notation 1.9981305 × 10^7
Engineering notation 1.9981305 × 10^6

Prime Factorization of 19981305

Prime Factorization 15 × 3 × 444029

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 19981305
Product of the distinct prime numbers

The prime factorization of 19981305 is 15 × 3 × 444029. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19981305)

Multiplication

n×y
n×2 39962610
n×3 59943915
n×4 79925220
n×5 99906525

Division

n÷y
n÷2 9990652.5
n÷3 6660435
n÷3 4995326.25
n÷5 3996261

Exponentiation

ny
n2 399252549503025
n3 7.9775869636475E+21
n4 1.5940259828467E+29
n5 3.1850719341184E+36

Nth Root

y√n
2√n 4470.0453017839
3√n 271.35715856419
4√n 66.85839739168
5√n 28.848601845152

Divisors of 19981305

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 -19981304
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 19981305 can be divided by 8 positive divisors. The sum of these divisors (counting 19981305) is 1, the average is 0.125.

Base conversion 19981305

Base System Value
2 Binary 1001100001110001111111001
3 Ternary 1101121011012100
4 Quaternary 1030032033321
5 Quinary 20103400210
6 Senary 1552134013
8 Octal 114161771
10 Decimal 19981305
12 Duodecimal 6837309
16 Hexadecimal 130e3f9
20 Vigesimal 64hd55
36 Base36 bw9o9

Cryptographic Hash Functions

md5 d57ba5159711cb95873e112d587cf688
sha1 a5ed61bc489175e851e1a4349b8340baeaad47b6
sha256 37bfb2a74b20f8036fdbde088226edfe82ff34163b7f27e7060d2cc2e7f87578
sha512 901af2754380cdd88a00a1038a51e9accae70037092c85b68da9df501fc99bd8663bd8d8b2e34a2186dcb514df45636df7a28bf2e46434688df07969ae37c53d
ripemd-160 9f733ba6cbe33d135607fb7bc43edb8198c9590c

19981305 as geometric shapes

Circle

Radius = n
Diameter 39962610
Circumference 125546241.99427
Area 1.2542888764457E+15

Sphere

Radius = n
Volume 3.3416438131158E+22
Surface area 5.0171555057828E+15
Circumference 125546241.99427

Square

Length = n
Perimeter 79925220
Area 399252549503025
Diagonal 28257832.524913

Cube

Length = n
Surface area 2395515297018150
Volume 7.9775869636475E+21
Space diagonal 34608635.46153

Equilateral Triangle

Length = n
Perimeter 59943915
Area 1.7288142519766E+14
Altitude 17304317.730765

Triangular Pyramid

Length = n
Surface area 1.7288142519766E+14
Volume 9.4016763991676E+20
Height 9419277.5083044