19981318 is an even 8-digits composite number following 19981317
and preceding 19981319 . In scientific notation, it is written as 1.9981318 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 8399664 positive integers (up to 19981318) that are relatively prime to 19981318.
19981318 has 16 divisors, whose sum is 31168800
The reverse of 19981318 is 81318991
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
nineteen million nine hundred eighty-one thousand three hundred eighteen
Scientific notation
1.9981318 × 10^7
Engineering notation
1.9981318 × 10^6
Prime Factorization
2 × 49 × 53 × 3847
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19981318
Product of the distinct prime numbers
The prime factorization of 19981318 is 2 × 49 × 53 × 3847.
Since it has a total of 4 prime factors.
5 , 2 , 98 , 22 , 519 , 603 , 1724 , 7314 , 47853 , 10928 , 480242 , 208637 , 1487599 , 6927027 , 36844055 , 44246286 , 251667715 , 957151658 , 7858574752 , 9123794727
n×2
39962636
n×3
59943954
n×4
79925272
n×5
99906590
n÷2
9990659
n÷3
6660439.3333333
n÷3
4995329.5
n÷5
3996263.6
n2
399253069017124
n3
7.9776025345071E+21
n4
1.5940301311959E+29
n5
3.1850822953007E+36
2 √n
4470.0467559076
3 √n
271.35721741324
4 √n
66.858408266332
5 √n
28.848605598978
1 , 2 , 49 , 53 , 98 , 106 , 2597 , 3847 , 5194 , 7694 , 188503 , 203891 , 377006 , 407782 , 9990659 , 19981318
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
-19981317
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 19981318 can be divided by 16 positive divisors.
The sum of these divisors (counting 19981318) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100001110010000000110
3
Ternary
1101121011012211
4
Quaternary
1030032100012
5
Quinary
20103400233
6
Senary
1552134034
8
Octal
114162006
10
Decimal
19981318
12
Duodecimal
683731a
16
Hexadecimal
130e406
20
Vigesimal
64hd5i
36
Base36
bw9om
md5
00dcb6fd877a4c54c22a01358fd1ee6d
sha1
4b5a872f3613a885e2b7420eb003ea4e23aadb21
sha256
c86bb65d70fd1b5855b6ef917fe1c339d5bacaa27c9ca8c13c2c1ad7d996910f
sha512
6cc290cd943a967eb0a0e7d5e85a3efae590b35545505c420b1158acdc2a10f467209524b0c6c5c42f16715a051a007ada9a4c9985daca5f6f1b6a9e2da59a25
ripemd-160
31b47f98192cf689cb237a8f16bad7a4d69a93ba
Diameter
39962636
Circumference
125546323.67568
Area
1.2542905085474E+15
Volume
3.3416503354222E+22
Surface area
5.0171620341895E+15
Circumference
125546323.67568
Perimeter
79925272
Area
399253069017124
Diagonal
28257850.90969
Surface area
2395518414102744
Volume
7.9776025345071E+21
Space diagonal
34608657.978191
Perimeter
59943954
Area
1.7288165015387E+14
Altitude
17304328.989095
Surface area
1.7288165015387E+14
Volume
9.4016947496016E+20
Height
9419283.6365632