19981305 is an odd 8-digits composite number following 19981304
and preceding 19981306 . In scientific notation, it is written as 1.9981305 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 10656672 positive integers (up to 19981305) that are relatively prime to 19981305.
19981305 has 8 divisors, whose sum is 28417920
The reverse of 19981305 is 50318991
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
nineteen million nine hundred eighty-one thousand three hundred five
Scientific notation
1.9981305 × 10^7
Engineering notation
1.9981305 × 10^6
Prime Factorization
15 × 3 × 444029
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19981305
Product of the distinct prime numbers
The prime factorization of 19981305 is 15 × 3 × 444029.
Since it has a total of 3 prime factors.
4 , 9 , 3 , 24 , 230 , 597 , 9936 , 1066 , 20340 , 46612 , 436958 , 887284 , 1894791 , 3250429 , 27454652 , 12544353 , 755972875 , 745788462 , 9252894781 , 421561763
n×2
39962610
n×3
59943915
n×4
79925220
n×5
99906525
n÷2
9990652.5
n÷3
6660435
n÷3
4995326.25
n÷5
3996261
n2
399252549503025
n3
7.9775869636475E+21
n4
1.5940259828467E+29
n5
3.1850719341184E+36
2 √n
4470.0453017839
3 √n
271.35715856419
4 √n
66.85839739168
5 √n
28.848601845152
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19981304
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19981305 can be divided by 8 positive divisors.
The sum of these divisors (counting 19981305) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100001110001111111001
3
Ternary
1101121011012100
4
Quaternary
1030032033321
5
Quinary
20103400210
6
Senary
1552134013
8
Octal
114161771
10
Decimal
19981305
12
Duodecimal
6837309
16
Hexadecimal
130e3f9
20
Vigesimal
64hd55
36
Base36
bw9o9
md5
d57ba5159711cb95873e112d587cf688
sha1
a5ed61bc489175e851e1a4349b8340baeaad47b6
sha256
37bfb2a74b20f8036fdbde088226edfe82ff34163b7f27e7060d2cc2e7f87578
sha512
901af2754380cdd88a00a1038a51e9accae70037092c85b68da9df501fc99bd8663bd8d8b2e34a2186dcb514df45636df7a28bf2e46434688df07969ae37c53d
ripemd-160
9f733ba6cbe33d135607fb7bc43edb8198c9590c
Diameter
39962610
Circumference
125546241.99427
Area
1.2542888764457E+15
Volume
3.3416438131158E+22
Surface area
5.0171555057828E+15
Circumference
125546241.99427
Perimeter
79925220
Area
399252549503025
Diagonal
28257832.524913
Surface area
2395515297018150
Volume
7.9775869636475E+21
Space diagonal
34608635.46153
Perimeter
59943915
Area
1.7288142519766E+14
Altitude
17304317.730765
Surface area
1.7288142519766E+14
Volume
9.4016763991676E+20
Height
9419277.5083044