19998486 is an even 8-digits composite number following 19998485
and preceding 19998487 . In scientific notation, it is written as 1.9998486 × 10^7.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 6617376 positive integers (up to 19998486) that are relatively prime to 19998486.
19998486 has 16 divisors, whose sum is 33574800
The reverse of 19998486 is 68489991
Previous prime number is 139
Is Prime? no
Number parity even
Number length 8
Sum of Digits 54
Digital Root 9
Name
nineteen million nine hundred ninety-eight thousand four hundred eighty-six
Scientific notation
1.9998486 × 10^7
Engineering notation
1.9998486 × 10^6
Prime Factorization
2 × 9 × 139 × 7993
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19998486
Product of the distinct prime numbers
The prime factorization of 19998486 is 2 × 9 × 139 × 7993.
Since it has a total of 4 prime factors.
6 , 1 , 12 , 94 , 143 , 591 , 9151 , 3292 , 80385 , 73328 , 835017 , 689422 , 7489479 , 9669036 , 38592473 , 60410807 , 111658346 , 763719010 , 685368879 , 9967038748
n×2
39996972
n×3
59995458
n×4
79993944
n×5
99992430
n÷2
9999243
n÷3
6666162
n÷3
4999621.5
n÷5
3999697.2
n2
399939442292196
n3
7.9981833375283E+21
n4
1.5995155750099E+29
n5
3.1987889833618E+36
2 √n
4471.9666814501
3 √n
271.4349121062
4 √n
66.872764870686
5 √n
28.853561255384
1 , 2 , 9 , 18 , 139 , 278 , 1251 , 2502 , 7993 , 15986 , 71937 , 143874 , 1111027 , 2222054 , 9999243 , 19998486
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
-19998485
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 19998486 can be divided by 16 positive divisors.
The sum of these divisors (counting 19998486) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100010010011100010110
3
Ternary
1101122000202200
4
Quaternary
1030102130112
5
Quinary
20104422421
6
Senary
1552345330
8
Octal
114223426
10
Decimal
19998486
12
Duodecimal
6845246
16
Hexadecimal
1312716
20
Vigesimal
64jg46
36
Base36
bwmxi
md5
8c21d81dc1ba3c714e7b3d2e9f7c8b03
sha1
6aa477ac42f9ba81ee479651188be81dce2be593
sha256
1ecffae4302065383f34c5726f170e5cf896579fab222f7352e45d8de9ce4b58
sha512
aa9d9eab130d0e6f56365c3fd68a18c3fa3dad66d513891423bf342f0cc433435f4b50f057b7723097ed873d5750954633a9b252c965881857b8dfcf9e123970
ripemd-160
2b3c6d423fd493a89d1045a489bc0f0fbc273c6c
Diameter
39996972
Circumference
125654193.40104
Area
1.256446813786E+15
Volume
3.3502712020324E+22
Surface area
5.0257872551438E+15
Circumference
125654193.40104
Perimeter
79993944
Area
399939442292196
Diagonal
28282130.128128
Surface area
2399636653753176
Volume
7.9981833375283E+21
Space diagonal
34638393.826455
Perimeter
59995458
Area
1.7317885850021E+14
Altitude
17319196.913227
Surface area
1.7317885850021E+14
Volume
9.4259494585658E+20
Height
9427376.7093762