19943821 (number)

19943821 is an odd 8-digits composite number following 19943820 and preceding 19943822. In scientific notation, it is written as 1.9943821 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 19703452 positive integers (up to 19943821) that are relatively prime to 19943821.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred forty-three thousand eight hundred twenty-one

Notation

Scientific notation 1.9943821 × 10^7
Engineering notation 1.9943821 × 10^6

Prime Factorization of 19943821

Prime Factorization 83 × 240287

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 19943821
Product of the distinct prime numbers

The prime factorization of 19943821 is 83 × 240287. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19943821)

Multiplication

n×y
n×2 39887642
n×3 59831463
n×4 79775284
n×5 99719105

Division

n÷y
n÷2 9971910.5
n÷3 6647940.3333333
n÷3 4985955.25
n÷5 3988764.2

Exponentiation

ny
n2 397755996080041
n3 7.932774387497E+21
n4 1.5820983241763E+29
n5 3.1553085781771E+36

Nth Root

y√n
2√n 4465.8505348925
3√n 271.18736787198
4√n 66.8270194973
5√n 28.83776998668

Divisors of 19943821

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 -19943820
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 19943821 can be divided by 4 positive divisors. The sum of these divisors (counting 19943821) is 1, the average is 0.25.

Base conversion 19943821

Base System Value
2 Binary 1001100000101000110001101
3 Ternary 1101112020210001
4 Quaternary 1030011012031
5 Quinary 20101200241
6 Senary 1551244301
8 Octal 114050615
10 Decimal 19943821
12 Duodecimal 6819691
16 Hexadecimal 130518d
20 Vigesimal 64cjb1
36 Base36 bvgr1

Cryptographic Hash Functions

md5 2e22390e3a047d6f0b8014e1c6a04076
sha1 4571c2a14983af35cd7276cbe6ca2cb07cad826e
sha256 054c45860622dee58443a620ba933245fdedbec5e4b46b2a6c23381e73e17fa9
sha512 86e5dc1a4f8875773caa1d9bc01509de3cec887ca6c93d02bd89b7ecbae597441359b7e01bf1db2f311134ead31619ec55149eaea4203937e4dd715a6180e41d
ripemd-160 ba9b71648a8a0cee44dad58f9ae5c84c534e291f

19943821 as geometric shapes

Circle

Radius = n
Diameter 39887642
Circumference 125310723.07622
Area 1.2495873152063E+15

Sphere

Radius = n
Volume 3.3228727651128E+22
Surface area 4.9983492608254E+15
Circumference 125310723.07622

Square

Length = n
Perimeter 79775284
Area 397755996080041
Diagonal 28204822.143741

Cube

Length = n
Surface area 2386535976480246
Volume 7.932774387497E+21
Space diagonal 34543711.269059

Equilateral Triangle

Length = n
Perimeter 59831463
Area 1.7223339855645E+14
Altitude 17271855.63453

Triangular Pyramid

Length = n
Surface area 1.7223339855645E+14
Volume 9.3488642717035E+20
Height 9401607.3812471