19986838 is an even 8-digits composite number following 19986837
and preceding 19986839 . In scientific notation, it is written as 1.9986838 × 10^7.
The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors.
There are 9993418 positive integers (up to 19986838) that are relatively prime to 19986838.
19986838 has 4 divisors, whose sum is 29980260
The reverse of 19986838 is 83868991
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
nineteen million nine hundred eighty-six thousand eight hundred thirty-eight
Scientific notation
1.9986838 × 10^7
Engineering notation
1.9986838 × 10^6
Prime Factorization
2 × 9993419
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19986838
Product of the distinct prime numbers
The prime factorization of 19986838 is 2 × 9993419.
Since it has a total of 2 prime factors.
6 , 6 , 98 , 77 , 722 , 707 , 7249 , 1149 , 77331 , 57495 , 30656 , 398165 , 1572804 , 2056800 , 17680072 , 82565193 , 4232673 , 295355274 , 6069777870 , 7359800191
n×2
39973676
n×3
59960514
n×4
79947352
n×5
99934190
n÷2
9993419
n÷3
6662279.3333333
n÷3
4996709.5
n÷5
3997367.6
n2
399473693238244
n3
7.9842159920145E+21
n4
1.595792315894E+29
n5
3.1894842499419E+36
2 √n
4470.6641564761
3 √n
271.38220331802
4 √n
66.863025331465
5 √n
28.850199354794
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
-19986837
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 19986838 can be divided by 4 positive divisors.
The sum of these divisors (counting 19986838) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100001111100110010110
3
Ternary
1101121102210021
4
Quaternary
1030033212112
5
Quinary
20104034323
6
Senary
1552215354
8
Octal
114174626
10
Decimal
19986838
12
Duodecimal
683a55a
16
Hexadecimal
130f996
20
Vigesimal
64i71i
36
Base36
bwdxy
md5
87fbaa8804e6113a6df82bab4e80ff22
sha1
faf93ba2f445371dcac00c32fb4063c6da987aaf
sha256
fbeb73fdf694e86477717b3103791112c41616de80cf596496a72a0fe98e24ff
sha512
1230a7bf9baa2fe7fb14a9dc7021a946d22c4981f1a7e28861afc58eee4736c797a80ae0132ea2516efca395c233db5e9a8bb83cb07f0ccb44c573c73647c082
ripemd-160
101a214be8648e5139d5d2e44d5ab099aaa5f3b7
Diameter
39973676
Circumference
125581006.85858
Area
1.2549836199796E+15
Volume
3.3444205740249E+22
Surface area
5.0199344799186E+15
Circumference
125581006.85858
Perimeter
79947352
Area
399473693238244
Diagonal
28265657.368554
Surface area
2396842159429464
Volume
7.9842159920145E+21
Space diagonal
34618218.898648
Perimeter
59960514
Area
1.7297718324396E+14
Altitude
17309109.449324
Surface area
1.7297718324396E+14
Volume
9.4094887840192E+20
Height
9421885.789518