19987228 is an even 8-digits composite number following 19987227
and preceding 19987229 . In scientific notation, it is written as 1.9987228 × 10^7.
The sum of its digits is 46. It has a total of 4 prime factors and 12 positive divisors.
There are 9933440 positive integers (up to 19987228) that are relatively prime to 19987228.
19987228 has 12 divisors, whose sum is 35188272
The reverse of 19987228 is 82278991
Previous prime number is 167
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
nineteen million nine hundred eighty-seven thousand two hundred twenty-eight
Scientific notation
1.9987228 × 10^7
Engineering notation
1.9987228 × 10^6
Prime Factorization
2 × 2 × 167 × 29921
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9993614
Product of the distinct prime numbers
The prime factorization of 19987228 is 2 × 2 × 167 × 29921.
Since it has a total of 4 prime factors.
6 , 1 , 14 , 16 , 61 , 160 , 9766 , 5285 , 47312 , 9928 , 521542 , 975993 , 9962280 , 2290704 , 49022954 , 76970831 , 129180138 , 357597477 , 53818493 , 8955768560
n×2
39974456
n×3
59961684
n×4
79948912
n×5
99936140
n÷2
9993614
n÷3
6662409.3333333
n÷3
4996807
n÷5
3997445.6
n2
399489283123984
n3
7.9846833853556E+21
n4
1.5959168733091E+29
n5
3.1897954415877E+36
2 √n
4470.7077739436
3 √n
271.3839684525
4 √n
66.86335150098
5 √n
28.850311943788
1 , 2 , 4 , 167 , 334 , 668 , 29921 , 59842 , 119684 , 4996807 , 9993614 , 19987228
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
-19987227
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 19987228 can be divided by 12 positive divisors.
The sum of these divisors (counting 19987228) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100001111101100011100
3
Ternary
1101121110022201
4
Quaternary
1030033230130
5
Quinary
20104042403
6
Senary
1552221244
8
Octal
114175434
10
Decimal
19987228
12
Duodecimal
683a824
16
Hexadecimal
130fb1c
20
Vigesimal
64i818
36
Base36
bwe8s
md5
b5360512295c51ea18f5bc87bcfc4bb8
sha1
22ab75e7e32908a1cc130cf2ddefe5faf0178191
sha256
b3f15f109d423e603ab46445b816ec57ee2b1aa432ec0ae6b755b8c1e50dad66
sha512
b1d4d2ae783ffe74d160eb74dd74a47d38da0edaa9c41dfa3882690fb8a40fbf429d4a073b7eb01b1d1774c71ca75540e7b688c29092be0f1aa7d94e01904d6c
ripemd-160
ce3c9d4267e6a5c59bf7d603fb537536d913d852
Diameter
39974456
Circumference
125583457.30085
Area
1.2550325970502E+15
Volume
3.3446163552898E+22
Surface area
5.0201303882006E+15
Circumference
125583457.30085
Perimeter
79948912
Area
399489283123984
Diagonal
28266208.911843
Surface area
2396935698743904
Volume
7.9846833853556E+21
Space diagonal
34618894.398463
Perimeter
59961684
Area
1.729839338625E+14
Altitude
17309447.199232
Surface area
1.729839338625E+14
Volume
9.4100396123542E+20
Height
9422069.6372811