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.
19987328 has 16 divisors, whose sum is 39818760
The reverse of 19987328 is 82378991
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
nineteen million nine hundred eighty-seven thousand three hundred twenty-eight
Scientific notation
1.9987328 × 10^7
Engineering notation
1.9987328 × 10^6
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.
10 , 7 , 21 , 32 , 685 , 702 , 8487 , 4231 , 66289 , 23001 , 128511 , 193158 , 3937546 , 5091036 , 14353302 , 3828123 , 417380550 , 411288745 , 9032918759 , 7806183335
n×2
39974656
n×3
59961984
n×4
79949312
n×5
99936640
n÷2
9993664
n÷3
6662442.6666667
n÷3
4996832
n÷5
3997465.6
n2
399493280579584
n3
7.9848032327402E+21
n4
1.5959488122824E+29
n5
3.1898752382298E+36
2 √n
4470.7189578411
3 √n
271.38442104739
4 √n
66.86343513342
5 √n
28.850340812478
1 , 2 , 4 , 8 , 16 , 32 , 64 , 128 , 156151 , 312302 , 624604 , 1249208 , 2498416 , 4996832 , 9993664 , 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
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
md5
f694fbdac2a55bb2c42d91b5906dc566
sha1
6af31a3f0523b4cc05ad8129b06031f4fe63bd94
sha256
763327fe6745c100c01c2ee7e5710be14cbd235715da96b106ce4b51782d9e87
sha512
da7e45fb2bc64ef076fa59ef31623ac3311cc7f2213b39a7477af182a6e9e5759bc97b132c88aab6c528ec913679d2f3ddfb30165ebf6d4c680ac8c3c72d42f0
ripemd-160
e48026eeab6d8584810f4135968ce8871d27e980
Diameter
39974656
Circumference
125584085.61938
Area
1.2550451554273E+15
Volume
3.3446665568449E+22
Surface area
5.0201806217092E+15
Circumference
125584085.61938
Perimeter
79949312
Area
399493280579584
Diagonal
28266350.3332
Surface area
2396959683477504
Volume
7.9848032327402E+21
Space diagonal
34619067.603544
Perimeter
59961984
Area
1.7298566481155E+14
Altitude
17309533.801772
Surface area
1.7298566481155E+14
Volume
9.4101808538514E+20
Height
9422116.7777332