20191444 (number)

20191444 is an even 8-digits composite number following 20191443 and preceding 20191445. In scientific notation, it is written as 2.0191444 × 10^7. The sum of its digits is 25. It has a total of 7 prime factors and 72 positive divisors. There are 7488000 positive integers (up to 20191444) that are relatively prime to 20191444.

Interesting facts

Basic properties

Name

Name twenty million one hundred ninety-one thousand four hundred forty-four

Notation

Scientific notation 2.0191444 × 10^7
Engineering notation 2.0191444 × 10^6

Prime Factorization of 20191444

Prime Factorization 2 × 2 × 17 × 7 × 13 × 13 × 251

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 776594
Product of the distinct prime numbers

The prime factorization of 20191444 is 2 × 2 × 17 × 7 × 13 × 13 × 251. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20191444)

Multiplication

n×y
n×2 40382888
n×3 60574332
n×4 80765776
n×5 100957220

Division

n÷y
n÷2 10095722
n÷3 6730481.3333333
n÷3 5047861
n÷5 4038288.8

Exponentiation

ny
n2 407694410805136
n3 8.2319388648849E+21
n4 1.6621473260175E+29
n5 3.3561154653031E+36

Nth Root

y√n
2√n 4493.4890675287
3√n 272.30511105063
4√n 67.033492132879
5√n 28.909027068506

Divisors of 20191444

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20191443
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20191444 can be divided by 72 positive divisors. The sum of these divisors (counting 20191444) is 1, the average is 0.013888888888889.

Base conversion 20191444

Base System Value
2 Binary 1001101000001100011010100
3 Ternary 1101222211110021
4 Quaternary 1031001203110
5 Quinary 20132111234
6 Senary 2000434524
8 Octal 115014324
10 Decimal 20191444
12 Duodecimal 6918a44
16 Hexadecimal 13418d4
20 Vigesimal 663ic4
36 Base36 c0rtg

Cryptographic Hash Functions

md5 f51ee29e5fdcadd7ba7a3c6501623883
sha1 6b2e3ba4494051a45fc1badd4c5b545624841b56
sha256 090f7132d0c46115435db7af17bf2e1c60297be69bacf2b758d8e9ef391438cd
sha512 c903f0c4a929218b752af5d9ba4439b4580889fb8131427e4bb5418fd7585d54377dce3fd0d864af2ab65eebf53e948d60ce9e94c34c2305e5e2281d9ed97470
ripemd-160 bcc6003d54f2ef06ba98d85cdffe9029dc2ec752

20191444 as geometric shapes

Circle

Radius = n
Diameter 40382888
Circumference 126866584.27154
Area 1.280809765895E+15

Sphere

Radius = n
Volume 3.448186488363E+22
Surface area 5.1232390635801E+15
Circumference 126866584.27154

Square

Length = n
Perimeter 80765776
Area 407694410805136
Diagonal 28555013.948697

Cube

Length = n
Surface area 2446166464830816
Volume 8.2319388648849E+21
Space diagonal 34972606.886182

Equilateral Triangle

Length = n
Perimeter 60574332
Area 1.7653685836909E+14
Altitude 17486303.443091

Triangular Pyramid

Length = n
Surface area 1.7653685836909E+14
Volume 9.7014329894553E+20
Height 9518337.982899