19987108 (number)

19987108 is an even 8-digits composite number following 19987107 and preceding 19987109. In scientific notation, it is written as 1.9987108 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors. There are 9856512 positive integers (up to 19987108) that are relatively prime to 19987108.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred eighty-seven thousand one hundred eight

Notation

Scientific notation 1.9987108 × 10^7
Engineering notation 1.9987108 × 10^6

Prime Factorization of 19987108

Prime Factorization 2 × 2 × 73 × 68449

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9993554
Product of the distinct prime numbers

The prime factorization of 19987108 is 2 × 2 × 73 × 68449. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19987108)

Multiplication

n×y
n×2 39974216
n×3 59961324
n×4 79948432
n×5 99935540

Division

n÷y
n÷2 9993554
n÷3 6662369.3333333
n÷3 4996777
n÷5 3997421.6

Exponentiation

ny
n2 399484486203664
n3 7.9845395700771E+21
n4 1.5958785471741E+29
n5 3.1896996877251E+36

Nth Root

y√n
2√n 4470.6943532297
3√n 271.38342533664
4√n 66.863251141638
5√n 28.850277301208

Divisors of 19987108

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19987107
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19987108 can be divided by 12 positive divisors. The sum of these divisors (counting 19987108) is 1, the average is 0.083333333333333.

Base conversion 19987108

Base System Value
2 Binary 1001100001111101010100100
3 Ternary 1101121110011021
4 Quaternary 1030033222210
5 Quinary 20104041413
6 Senary 1552220524
8 Octal 114175244
10 Decimal 19987108
12 Duodecimal 683a744
16 Hexadecimal 130faa4
20 Vigesimal 64i7f8
36 Base36 bwe5g

Cryptographic Hash Functions

md5 5c4e9da7710b3fd4a4b0562d5ca4638f
sha1 563d4f8f3d7d15d7107b3a9be5efc20ac863f0ef
sha256 e59b038b1ad66e5ca0e23c941904f99094a3a34befb8a22118dc56c5dfa75c01
sha512 77f3e8bcc9c98b29d475d4cd799ea1139b1557697a7b561fc98f4fac8929bd0b0ec27b56dd337be47868fd0c330f06bff29bd0ea647e1150006e7b58e7b8fde8
ripemd-160 9280db104a3595695715101ea490e1672cb3eb53

19987108 as geometric shapes

Circle

Radius = n
Diameter 39974216
Circumference 125582703.31861
Area 1.2550175270805E+15

Sphere

Radius = n
Volume 3.3445561140868E+22
Surface area 5.0200701083221E+15
Circumference 125582703.31861

Square

Length = n
Perimeter 79948432
Area 399484486203664
Diagonal 28266039.206216

Cube

Length = n
Surface area 2396906917221984
Volume 7.9845395700771E+21
Space diagonal 34618686.552366

Equilateral Triangle

Length = n
Perimeter 59961324
Area 1.7298185673507E+14
Altitude 17309343.276183

Triangular Pyramid

Length = n
Surface area 1.7298185673507E+14
Volume 9.4098701244231E+20
Height 9422013.0687386