19986809 is an odd 8-digits prime number following 19986808
and preceding 19986810 . In scientific notation, it is written as 1.9986809 × 10^7.
The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors.
There are 19986808 positive integers (up to 19986809) that are relatively prime to 19986809.
19986809 has 2 divisors, whose sum is 19986810
The reverse of 19986809 is 90868991
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
nineteen million nine hundred eighty-six thousand eight hundred nine
Scientific notation
1.9986809 × 10^7
Engineering notation
1.9986809 × 10^6
Prime Factorization
19986809
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
19986809
Product of the distinct prime numbers
The prime factorization of 19986809 is 19986809.
Since it has a total of 1 prime factors.
7 , 5 , 26 , 63 , 334 , 412 , 1311 , 2378 , 14763 , 58227 , 255178 , 101974 , 7501000 , 596955 , 13480555 , 63252245 , 814760325 , 913104324 , 9995266685 , 2856993770
n×2
39973618
n×3
59960427
n×4
79947236
n×5
99934045
n÷2
9993404.5
n÷3
6662269.6666667
n÷3
4996702.25
n÷5
3997361.8
n2
399472534002481
n3
7.9841812378536E+21
n4
1.5957830542236E+29
n5
3.1894611110204E+36
2 √n
4470.6609131089
3 √n
271.38207206351
4 √n
66.863001077643
5 √n
28.850190982722
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
19986810
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9993405
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4470.6610249492
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999899934
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19986809 can be divided by 2 positive divisors.
The sum of these divisors (counting 19986809) is 19986810, the average is 9993405.
Base
System
Value
2
Binary
1001100001111100101111001
3
Ternary
1101121102202012
4
Quaternary
1030033211321
5
Quinary
20104034214
6
Senary
1552215305
8
Octal
114174571
10
Decimal
19986809
12
Duodecimal
683a535
16
Hexadecimal
130f979
20
Vigesimal
64i709
36
Base36
bwdx5
md5
ff45487cacf31b0385d49918d4bedfe9
sha1
dd59f94a77954ecc1d5d7858b0c8535f4e0b1abf
sha256
cedead56322e518e24b4c8647ee6e6a79d620dc72fc3c1b3458072466e42852e
sha512
f22cd5f0598a20bcab1111d97ee3f4575701661ab97b8299ad8108b07b30e1b08591c1a9bba852e033e1de93272705894977c1811325a48cc00235e477d4c738
ripemd-160
95b1d690991312a1cef6a9c0766577af6c1b32b9
Diameter
39973618
Circumference
125580824.6462
Area
1.2549799781331E+15
Volume
3.344406016236E+22
Surface area
5.0199199125324E+15
Circumference
125580824.6462
Perimeter
79947236
Area
399472534002481
Diagonal
28265616.356361
Surface area
2396835204014886
Volume
7.9841812378536E+21
Space diagonal
34618168.669175
Perimeter
59960427
Area
1.7297668128015E+14
Altitude
17309084.334587
Surface area
1.7297668128015E+14
Volume
9.4094478258478E+20
Height
9421872.1187869