19996721 (number)

19996721 is an odd 8-digits composite number following 19996720 and preceding 19996722. In scientific notation, it is written as 1.9996721 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 18944244 positive integers (up to 19996721) that are relatively prime to 19996721.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred ninety-six thousand seven hundred twenty-one

Notation

Scientific notation 1.9996721 × 10^7
Engineering notation 1.9996721 × 10^6

Prime Factorization of 19996721

Prime Factorization 19 × 1052459

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 19996721
Product of the distinct prime numbers

The prime factorization of 19996721 is 19 × 1052459. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 10, 25, 65, 376, 294, 9943, 9726, 36230, 82033, 66974, 347321, 3136555, 1203100, 33081459, 86633602, 483074656, 601268627, 6894797793, 1392967678

Basic calculations (n = 19996721)

Multiplication

n×y
n×2 39993442
n×3 59990163
n×4 79986884
n×5 99983605

Division

n÷y
n÷2 9998360.5
n÷3 6665573.6666667
n÷3 4999180.25
n÷5 3999344.2

Exponentiation

ny
n2 399868850751841
n3 7.9960658450752E+21
n4 1.598950978016E+29
n5 3.1973776600063E+36

Nth Root

y√n
2√n 4471.7693366273
3√n 271.42692655645
4√n 66.871289329781
5√n 28.853051933493

Divisors of 19996721

1, 19, 1052459, 19996721

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 -19996720
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 19996721 can be divided by 4 positive divisors. The sum of these divisors (counting 19996721) is 1, the average is 0.25.

Base conversion 19996721

Base System Value
2 Binary 1001100010010000000110001
3 Ternary 1101121221100022
4 Quaternary 1030102000301
5 Quinary 20104343341
6 Senary 1552333225
8 Octal 114220061
10 Decimal 19996721
12 Duodecimal 6844215
16 Hexadecimal 1312031
20 Vigesimal 64jbg1
36 Base36 bwlkh

Cryptographic Hash Functions

md5 89268403a2fade0f1dcd92d1b964a596
sha1 dfcc52b696b0c726ce23a0a85149aa91d4f4f14e
sha256 069de27b1f65d66405652b99f11eb4749b1948cdf6ac9faaa8534a269bf6626b
sha512 9fb7225b51436e656475bbabfc25bc1eb703440850c09ed5715e2545a274af34e2ae9a38adedd6e32465a836ce5191fb35faf14c25cdca3f2578b9d089bbfe59
ripemd-160 a2cc7a0b4f4923724c8ae4e65cda561b267b56e7

19996721 as geometric shapes

Circle

Radius = n
Diameter 39993442
Circumference 125643103.57897
Area 1.2562250439214E+15

Sphere

Radius = n
Volume 3.3493842288678E+22
Surface area 5.0249001756855E+15
Circumference 125643103.57897

Square

Length = n
Perimeter 79986884
Area 399868850751841
Diagonal 28279634.041191

Cube

Length = n
Surface area 2399213104511046
Volume 7.9960658450752E+21
Space diagonal 34635336.75678

Equilateral Triangle

Length = n
Perimeter 59990163
Area 1.7314829146659E+14
Altitude 17317668.37839

Triangular Pyramid

Length = n
Surface area 1.7314829146659E+14
Volume 9.423453969778E+20
Height 9426544.680397