19388891 (number)

19388891 is an odd 8-digits composite number following 19388890 and preceding 19388892. In scientific notation, it is written as 1.9388891 × 10^7. The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors. There are 18016128 positive integers (up to 19388891) that are relatively prime to 19388891.

Interesting facts

Basic properties

Name

Name nineteen million three hundred eighty-eight thousand eight hundred ninety-one

Notation

Scientific notation 1.9388891 × 10^7
Engineering notation 1.9388891 × 10^6

Prime Factorization of 19388891

Prime Factorization 17 × 79 × 14437

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 19388891
Product of the distinct prime numbers

The prime factorization of 19388891 is 17 × 79 × 14437. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19388891)

Multiplication

n×y
n×2 38777782
n×3 58166673
n×4 77555564
n×5 96944455

Division

n÷y
n÷2 9694445.5
n÷3 6462963.6666667
n÷3 4847222.75
n÷5 3877778.2

Exponentiation

ny
n2 375929094209881
n3 7.2888482313641E+21
n4 1.4132268387346E+29
n5 2.74009011345E+36

Nth Root

y√n
2√n 4403.2818442612
3√n 268.64844001027
4√n 66.3572290279
5√n 28.6754732336

Divisors of 19388891

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 -19388890
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 19388891 can be divided by 8 positive divisors. The sum of these divisors (counting 19388891) is 1, the average is 0.125.

Base conversion 19388891

Base System Value
2 Binary 1001001111101100111011011
3 Ternary 1100111001120002
4 Quaternary 1021331213123
5 Quinary 14430421031
6 Senary 1531323215
8 Octal 111754733
10 Decimal 19388891
12 Duodecimal 65b050b
16 Hexadecimal 127d9db
20 Vigesimal 613c4b
36 Base36 bjkkb

Cryptographic Hash Functions

md5 a0818119af8b6c273c6b36ea8366457e
sha1 c709cc61386f1754e9f1bf0c57d61e8007825242
sha256 17a97ffa9341e031a35898cd3db5dd466ec7330fda4f0e17cd3a5417d0b3ba29
sha512 f0856f5c4a8d3df360fc2e690baf3e899a2a2a8affbf5f0e2436b9bf8aa8157964baf2845b432898a3d010f09c3fdbfb09ed309a83a9416dd1613d02d50d46da
ripemd-160 073c629438616a320455932a67f946a79d6aacc1

19388891 as geometric shapes

Circle

Radius = n
Diameter 38777782
Circumference 121823995.05371
Area 1.1810160806404E+15

Sphere

Radius = n
Volume 3.0531456075713E+22
Surface area 4.7240643225617E+15
Circumference 121823995.05371

Square

Length = n
Perimeter 77555564
Area 375929094209881
Diagonal 27420032.611574

Cube

Length = n
Surface area 2255574565259286
Volume 7.2888482313641E+21
Space diagonal 33582544.314415

Equilateral Triangle

Length = n
Perimeter 58166673
Area 1.6278207280372E+14
Altitude 16791272.157207

Triangular Pyramid

Length = n
Surface area 1.6278207280372E+14
Volume 8.5899900190619E+20
Height 9140010.8705245