19994387 (number)

19994387 is an odd 8-digits composite number following 19994386 and preceding 19994388. In scientific notation, it is written as 1.9994387 × 10^7. The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors. There are 17061192 positive integers (up to 19994387) that are relatively prime to 19994387.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred ninety-four thousand three hundred eighty-seven

Notation

Scientific notation 1.9994387 × 10^7
Engineering notation 1.9994387 × 10^6

Prime Factorization of 19994387

Prime Factorization 7 × 227 × 12583

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 19994387
Product of the distinct prime numbers

The prime factorization of 19994387 is 7 × 227 × 12583. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19994387)

Multiplication

n×y
n×2 39988774
n×3 59983161
n×4 79977548
n×5 99971935

Division

n÷y
n÷2 9997193.5
n÷3 6664795.6666667
n÷3 4998596.75
n÷5 3998877.4

Exponentiation

ny
n2 399775511505769
n3 7.9932662901693E+21
n4 1.598204595997E+29
n5 3.1955121197543E+36

Nth Root

y√n
2√n 4471.5083584849
3√n 271.41636590677
4√n 66.869337954588
5√n 28.852378361386

Divisors of 19994387

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 -19994386
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 19994387 can be divided by 8 positive divisors. The sum of these divisors (counting 19994387) is 1, the average is 0.125.

Base conversion 19994387

Base System Value
2 Binary 1001100010001011100010011
3 Ternary 1101121211010212
4 Quaternary 1030101130103
5 Quinary 20104310022
6 Senary 1552314335
8 Octal 114213423
10 Decimal 19994387
12 Duodecimal 68429ab
16 Hexadecimal 1311713
20 Vigesimal 64j5j7
36 Base36 bwjrn

Cryptographic Hash Functions

md5 c79ba7f4774b3f0ba74cda7ebf65cf93
sha1 cf9a8d06ca281b615978c78ddbad6ff7222964c2
sha256 b686211c6c9782022ebb88a7661c422231345f9b39aa2465dcd72a8d78b1795b
sha512 4ae251980903586d5b50e41e86b4cc05cb44168a43f61735298937165d58ea5e8dfbf125b8c4eade606abb16943f50efd6aba8d97160894ef875338f6bea506c
ripemd-160 5268ef3f0c037777e7a13a9a4b3cd44a688c1f7d

19994387 as geometric shapes

Circle

Radius = n
Diameter 39988774
Circumference 125628438.62446
Area 1.2559318100316E+15

Sphere

Radius = n
Volume 3.348211554051E+22
Surface area 5.0237272401265E+15
Circumference 125628438.62446

Square

Length = n
Perimeter 79977548
Area 399775511505769
Diagonal 28276333.266736

Cube

Length = n
Surface area 2398653069034614
Volume 7.9932662901693E+21
Space diagonal 34631294.150195

Equilateral Triangle

Length = n
Perimeter 59983161
Area 1.7310787438746E+14
Altitude 17315647.075097

Triangular Pyramid

Length = n
Surface area 1.7310787438746E+14
Volume 9.4201546626809E+20
Height 9425444.4222454