19987058 is an even 8-digits composite number following 19987057
and preceding 19987059 . In scientific notation, it is written as 1.9987058 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 7906896 positive integers (up to 19987058) that are relatively prime to 19987058.
19987058 has 16 divisors, whose sum is 36899520
The reverse of 19987058 is 85078991
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
nineteen million nine hundred eighty-seven thousand fifty-eight
Scientific notation
1.9987058 × 10^7
Engineering notation
1.9987058 × 10^6
Prime Factorization
2 × 7 × 13 × 109819
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19987058
Product of the distinct prime numbers
The prime factorization of 19987058 is 2 × 7 × 13 × 109819.
Since it has a total of 4 prime factors.
5 , 3 , 87 , 49 , 389 , 999 , 3456 , 9442 , 83902 , 11141 , 344550 , 924597 , 1514141 , 6607024 , 97659179 , 42500031 , 113135266 , 927009794 , 6424975370 , 852122984
n×2
39974116
n×3
59961174
n×4
79948232
n×5
99935290
n÷2
9993529
n÷3
6662352.6666667
n÷3
4996764.5
n÷5
3997411.6
n2
399482487495364
n3
7.9844796475541E+21
n4
1.5958625781548E+29
n5
3.189659790961E+36
2 √n
4470.6887612537
3 √n
271.38319903773
4 √n
66.863209325112
5 √n
28.85026286675
1 , 2 , 7 , 13 , 14 , 26 , 91 , 182 , 109819 , 219638 , 768733 , 1427647 , 1537466 , 2855294 , 9993529 , 19987058
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
-19987057
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 19987058 can be divided by 16 positive divisors.
The sum of these divisors (counting 19987058) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100001111101001110010
3
Ternary
1101121110002102
4
Quaternary
1030033221302
5
Quinary
20104041213
6
Senary
1552220402
8
Octal
114175162
10
Decimal
19987058
12
Duodecimal
683a702
16
Hexadecimal
130fa72
20
Vigesimal
64i7ci
36
Base36
bwe42
md5
db1abac5a4123f91f898ecf555b33e9c
sha1
4cb71d815986cceb38750655d9ce754aba50348a
sha256
a23367632be2a0489b5881c3ca7c9707234b3d5c615114330847675755f0c115
sha512
d544a451ba50c43482c32cc794b80b9ccf9bea53c389687fcbdb6cc1867b364d86a6fa5e2e9177bd480dacaf3343820a85c12752358a030b3b786bb4dd835ab7
ripemd-160
dceaed04ae8d69505af3d998c2523d927a6dd40a
Diameter
39974116
Circumference
125582389.15935
Area
1.2550112479532E+15
Volume
3.3445310137991E+22
Surface area
5.0200449918128E+15
Circumference
125582389.15935
Perimeter
79948232
Area
399482487495364
Diagonal
28265968.495538
Surface area
2396894924972184
Volume
7.9844796475541E+21
Space diagonal
34618599.949826
Perimeter
59961174
Area
1.7298099126899E+14
Altitude
17309299.974913
Surface area
1.7298099126899E+14
Volume
9.4097995050525E+20
Height
9421989.4985126