19720121 (number)

19720121 is an odd 8-digits composite number following 19720120 and preceding 19720122. In scientific notation, it is written as 1.9720121 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 19646544 positive integers (up to 19720121) that are relatively prime to 19720121.

Interesting facts

Basic properties

Name

Name nineteen million seven hundred twenty thousand one hundred twenty-one

Notation

Scientific notation 1.9720121 × 10^7
Engineering notation 1.9720121 × 10^6

Prime Factorization of 19720121

Prime Factorization 269 × 73309

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 19720121
Product of the distinct prime numbers

The prime factorization of 19720121 is 269 × 73309. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19720121)

Multiplication

n×y
n×2 39440242
n×3 59160363
n×4 78880484
n×5 98600605

Division

n÷y
n÷2 9860060.5
n÷3 6573373.6666667
n÷3 4930030.25
n÷5 3944024.2

Exponentiation

ny
n2 388883172254641
n3 7.6688232117254E+21
n4 1.5123012166283E+29
n5 2.9822762980358E+36

Nth Root

y√n
2√n 4440.7342861288
3√n 270.16962820484
4√n 66.638834669649
5√n 28.772785963933

Divisors of 19720121

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 -19720120
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 19720121 can be divided by 4 positive divisors. The sum of these divisors (counting 19720121) is 1, the average is 0.25.

Base conversion 19720121

Base System Value
2 Binary 1001011001110011110111001
3 Ternary 1101002212220212
4 Quaternary 1023032132321
5 Quinary 20022020441
6 Senary 1542400505
8 Octal 113163671
10 Decimal 19720121
12 Duodecimal 6730135
16 Hexadecimal 12ce7b9
20 Vigesimal 635061
36 Base36 bqo55

Cryptographic Hash Functions

md5 758810ff5fd1eca085794a063e8fab86
sha1 123fab90cb0d66bb365d3df0916d672cb1373b31
sha256 fafed92f45e2e77218d7498caf183845fe6b87730b7ec6a3dd6cc43549d9cf5f
sha512 46be0ab5cf6b5872a43c16450acf9e821e1d6c069304a60ff766c449f8f2a8899a61901081fd17a7ef781ec70a2ad1ee8be6e337e4102abd681903ef061bf202
ripemd-160 cf7f4bdd1c60b0e8b74d90e80528481f9f404222

19720121 as geometric shapes

Circle

Radius = n
Diameter 39440242
Circumference 123905174.523
Area 1.2217125170599E+15

Sphere

Radius = n
Volume 3.2123091551514E+22
Surface area 4.8868500682395E+15
Circumference 123905174.523

Square

Length = n
Perimeter 78880484
Area 388883172254641
Diagonal 27888462.569838

Cube

Length = n
Surface area 2333299033527846
Volume 7.6688232117254E+21
Space diagonal 34156251.503406

Equilateral Triangle

Length = n
Perimeter 59160363
Area 1.683913531384E+14
Altitude 17078125.751703

Triangular Pyramid

Length = n
Surface area 1.683913531384E+14
Volume 9.0377948278863E+20
Height 9296154.1899462