19986618 is an even 8-digits composite number following 19986617
and preceding 19986619 . In scientific notation, it is written as 1.9986618 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 6536400 positive integers (up to 19986618) that are relatively prime to 19986618.
19986618 has 16 divisors, whose sum is 40728096
The reverse of 19986618 is 81668991
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
nineteen million nine hundred eighty-six thousand six hundred eighteen
Scientific notation
1.9986618 × 10^7
Engineering notation
1.9986618 × 10^6
Prime Factorization
2 × 3 × 53 × 62851
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19986618
Product of the distinct prime numbers
The prime factorization of 19986618 is 2 × 3 × 53 × 62851.
Since it has a total of 4 prime factors.
5 , 3 , 85 , 77 , 326 , 834 , 1181 , 2444 , 2965 , 81181 , 645102 , 234082 , 420940 , 3742989 , 73152997 , 79986195 , 709259934 , 710331940 , 6973204499 , 3593018246
n×2
39973236
n×3
59959854
n×4
79946472
n×5
99933090
n÷2
9993309
n÷3
6662206
n÷3
4996654.5
n÷5
3997323.6
n2
399464899077924
n3
7.983952342279E+21
n4
1.5957220559534E+29
n5
3.1893087166514E+36
2 √n
4470.6395515631
3 √n
271.381207591
4 √n
66.862841336299
5 √n
28.850135842278
1 , 2 , 3 , 6 , 53 , 106 , 159 , 318 , 62851 , 125702 , 188553 , 377106 , 3331103 , 6662206 , 9993309 , 19986618
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
-19986617
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 19986618 can be divided by 16 positive divisors.
The sum of these divisors (counting 19986618) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100001111100010111010
3
Ternary
1101121102111010
4
Quaternary
1030033202322
5
Quinary
20104032433
6
Senary
1552214350
8
Octal
114174272
10
Decimal
19986618
12
Duodecimal
683a3b6
16
Hexadecimal
130f8ba
20
Vigesimal
64i6ai
36
Base36
bwdru
md5
8a6961d98ee20ef4f5ae4f7db7e96511
sha1
368963660974a28e8790f85a2d3517ef02ba33c1
sha256
7af7f6089ed0f135b51f4df0886cf0bd5c802737b835e7ec8013898e7d949b07
sha512
aca323226e6ccb9d5803f0748041f61784381f239e02ada281b69243431d0dbe1b4e420c0f9805306294d7ab1191eadf48b97118095e63353a76250c90bf3af0
ripemd-160
de592cc533827bf07cbb918bf010f247e161fa53
Diameter
39973236
Circumference
125579624.55781
Area
1.2549559923102E+15
Volume
3.344310136682E+22
Surface area
5.0198239692408E+15
Circumference
125579624.55781
Perimeter
79946472
Area
399464899077924
Diagonal
28265346.24157
Surface area
2396789394467544
Volume
7.983952342279E+21
Space diagonal
34617837.847471
Perimeter
59959854
Area
1.7297337526083E+14
Altitude
17308918.923735
Surface area
1.7297337526083E+14
Volume
9.4091780698262E+20
Height
9421782.0805234