19987328 (number)

19987328 is an even 8-digits composite number following 19987327 and preceding 19987329. In scientific notation, it is written as 1.9987328 × 10^7. The sum of its digits is 47. It has a total of 8 prime factors and 16 positive divisors. There are 9993600 positive integers (up to 19987328) that are relatively prime to 19987328.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred eighty-seven thousand three hundred twenty-eight

Notation

Scientific notation 1.9987328 × 10^7
Engineering notation 1.9987328 × 10^6

Prime Factorization of 19987328

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 156151

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 312302
Product of the distinct prime numbers

The prime factorization of 19987328 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 156151. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19987328)

Multiplication

n×y
n×2 39974656
n×3 59961984
n×4 79949312
n×5 99936640

Division

n÷y
n÷2 9993664
n÷3 6662442.6666667
n÷3 4996832
n÷5 3997465.6

Exponentiation

ny
n2 399493280579584
n3 7.9848032327402E+21
n4 1.5959488122824E+29
n5 3.1898752382298E+36

Nth Root

y√n
2√n 4470.7189578411
3√n 271.38442104739
4√n 66.86343513342
5√n 28.850340812478

Divisors of 19987328

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19987327
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19987328 can be divided by 16 positive divisors. The sum of these divisors (counting 19987328) is 1, the average is 0.0625.

Base conversion 19987328

Base System Value
2 Binary 1001100001111101110000000
3 Ternary 1101121110110102
4 Quaternary 1030033232000
5 Quinary 20104043303
6 Senary 1552221532
8 Octal 114175600
10 Decimal 19987328
12 Duodecimal 683a8a8
16 Hexadecimal 130fb80
20 Vigesimal 64i868
36 Base36 bwebk

Cryptographic Hash Functions

md5 f694fbdac2a55bb2c42d91b5906dc566
sha1 6af31a3f0523b4cc05ad8129b06031f4fe63bd94
sha256 763327fe6745c100c01c2ee7e5710be14cbd235715da96b106ce4b51782d9e87
sha512 da7e45fb2bc64ef076fa59ef31623ac3311cc7f2213b39a7477af182a6e9e5759bc97b132c88aab6c528ec913679d2f3ddfb30165ebf6d4c680ac8c3c72d42f0
ripemd-160 e48026eeab6d8584810f4135968ce8871d27e980

19987328 as geometric shapes

Circle

Radius = n
Diameter 39974656
Circumference 125584085.61938
Area 1.2550451554273E+15

Sphere

Radius = n
Volume 3.3446665568449E+22
Surface area 5.0201806217092E+15
Circumference 125584085.61938

Square

Length = n
Perimeter 79949312
Area 399493280579584
Diagonal 28266350.3332

Cube

Length = n
Surface area 2396959683477504
Volume 7.9848032327402E+21
Space diagonal 34619067.603544

Equilateral Triangle

Length = n
Perimeter 59961984
Area 1.7298566481155E+14
Altitude 17309533.801772

Triangular Pyramid

Length = n
Surface area 1.7298566481155E+14
Volume 9.4101808538514E+20
Height 9422116.7777332