19872013 is an odd 8-digits composite number following 19872012
and preceding 19872014 . In scientific notation, it is written as 1.9872013 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 17033148 positive integers (up to 19872013) that are relatively prime to 19872013.
19872013 has 4 divisors, whose sum is 22710880
The reverse of 19872013 is 31027891
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
nineteen million eight hundred seventy-two thousand thirteen
Scientific notation
1.9872013 × 10^7
Engineering notation
1.9872013 × 10^6
Prime Factorization
7 × 2838859
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19872013
Product of the distinct prime numbers
The prime factorization of 19872013 is 7 × 2838859.
Since it has a total of 2 prime factors.
5 , 10 , 98 , 61 , 359 , 87 , 5535 , 2283 , 65406 , 72316 , 218509 , 9802 , 5048035 , 4061719 , 60278653 , 35015124 , 419490434 , 463652940 , 1531321409 , 2666079634
n×2
39744026
n×3
59616039
n×4
79488052
n×5
99360065
n÷2
9936006.5
n÷3
6624004.3333333
n÷3
4968003.25
n÷5
3974402.6
n2
394896900672169
n3
7.8473963438171E+21
n4
1.5594356216048E+29
n5
3.0989124945195E+36
2 √n
4457.803607159
3 √n
270.86150519309
4 √n
66.766785209107
5 √n
28.816973857405
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19872012
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19872013 can be divided by 4 positive divisors.
The sum of these divisors (counting 19872013) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001011110011100100001101
3
Ternary
1101101121021111
4
Quaternary
1023303210031
5
Quinary
20041401023
6
Senary
1545532021
8
Octal
113634415
10
Decimal
19872013
12
Duodecimal
67a4011
16
Hexadecimal
12f390d
20
Vigesimal
64400d
36
Base36
btxcd
md5
d7bc67049fa7f6c13e200473ee72ea60
sha1
8a27310414858c55d42f51a50078a1bc23eac61f
sha256
3871f5e6e48a911b07e048589e28e38a2ad3683ea7a01aa30882ca96cb016392
sha512
3723dbc7d0ca4e8f102670c9f527ef8576d45f65ed59bacd006b338c26af9562b0596ec9b3d76530b433ea6c1815f1eb5d9c3792e46393aa0897ae7e0e44d40b
ripemd-160
e9ea7687eaa3ebdfe153c9bdf038b4119f1bb27d
Diameter
39744026
Circumference
124859540.10568
Area
1.2406052020771E+15
Volume
3.2871096938057E+22
Surface area
4.9624208083083E+15
Circumference
124859540.10568
Perimeter
79488052
Area
394896900672169
Diagonal
28103270.296254
Surface area
2369381404033014
Volume
7.8473963438171E+21
Space diagonal
34419336.164669
Perimeter
59616039
Area
1.7099537392892E+14
Altitude
17209668.082335
Surface area
1.7099537392892E+14
Volume
9.2482452822859E+20
Height
9367756.7654182