19987464 is an even 8-digits composite number following 19987463
and preceding 19987465 . In scientific notation, it is written as 1.9987464 × 10^7.
The sum of its digits is 48. It has a total of 6 prime factors and 32 positive divisors.
There are 5710656 positive integers (up to 19987464) that are relatively prime to 19987464.
19987464 has 32 divisors, whose sum is 57107520
The reverse of 19987464 is 46478991
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
nineteen million nine hundred eighty-seven thousand four hundred sixty-four
Scientific notation
1.9987464 × 10^7
Engineering notation
1.9987464 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 3 × 118973
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
4996866
Product of the distinct prime numbers
The prime factorization of 19987464 is 2 × 2 × 2 × 7 × 3 × 118973.
Since it has a total of 6 prime factors.
4 , 1 , 67 , 41 , 441 , 459 , 8734 , 8668 , 28614 , 26447 , 901059 , 937450 , 5987119 , 991971 , 31077161 , 36685089 , 246463713 , 877053225 , 5562648336 , 7693430443
n×2
39974928
n×3
59962392
n×4
79949856
n×5
99937320
n÷2
9993732
n÷3
6662488
n÷3
4996866
n÷5
3997492.8
n2
399498717151296
n3
7.9849662271077E+21
n4
1.5959922500553E+29
n5
3.189983764226E+36
2 √n
4470.7341678968
3 √n
271.38503657401
4 √n
66.863548873036
5 √n
28.85038007371
1 , 2 , 3 , 4 , 6 , 7 , 8 , 12 , 14 , 21 , 24 , 28 , 42 , 56 , 84 , 168 , 118973 , 237946 , 356919 , 475892 , 713838 , 832811 , 951784 , 1427676 , 1665622 , 2498433 , 2855352 , 3331244 , 4996866 , 6662488 , 9993732 , 19987464
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19987463
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19987464 can be divided by 32 positive divisors.
The sum of these divisors (counting 19987464) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100001111110000001000
3
Ternary
1101121110122110
4
Quaternary
1030033300020
5
Quinary
20104044324
6
Senary
1552222320
8
Octal
114176010
10
Decimal
19987464
12
Duodecimal
683a9a0
16
Hexadecimal
130fc08
20
Vigesimal
64i8d4
36
Base36
bwefc
md5
f90ca99a1303cea2469f02230ac79179
sha1
57f4ef54e21223b567902ceb29f6c0f823526716
sha256
6d63c78dd12cdf6465e4bbc66782e40348c77f2d53a6794447e536b8a582b591
sha512
75a730748f575bd2b7a0b2172eee30eb92f3df3901bad59c416645cb283311d8db94e83303b425911baf1dc4e516a6699b551f8fc7c6f41f0a75547f0f68bff1
ripemd-160
9b4fff7c999e589cd79964b248152e996e5fb686
Diameter
39974928
Circumference
125584940.13258
Area
1.2550622349211E+15
Volume
3.3447348317659E+22
Surface area
5.0202489396842E+15
Circumference
125584940.13258
Perimeter
79949856
Area
399498717151296
Diagonal
28266542.666244
Surface area
2396992302907776
Volume
7.9849662271077E+21
Space diagonal
34619303.162454
Perimeter
59962392
Area
1.7298801891616E+14
Altitude
17309651.581227
Surface area
1.7298801891616E+14
Volume
9.4103729445557E+20
Height
9422180.888748