19981306 is an even 8-digits composite number following 19981305
and preceding 19981307 . In scientific notation, it is written as 1.9981306 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 9990652 positive integers (up to 19981306) that are relatively prime to 19981306.
19981306 has 4 divisors, whose sum is 29971962
The reverse of 19981306 is 60318991
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
nineteen million nine hundred eighty-one thousand three hundred six
Scientific notation
1.9981306 × 10^7
Engineering notation
1.9981306 × 10^6
Prime Factorization
2 × 9990653
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19981306
Product of the distinct prime numbers
The prime factorization of 19981306 is 2 × 9990653.
Since it has a total of 2 prime factors.
8 , 3 , 21 , 85 , 533 , 662 , 7899 , 2151 , 5156 , 15978 , 484279 , 518265 , 2797718 , 3175268 , 95538556 , 74059089 , 806112831 , 358933337 , 8182015940 , 5080576511
n×2
39962612
n×3
59943918
n×4
79925224
n×5
99906530
n÷2
9990653
n÷3
6660435.3333333
n÷3
4995326.5
n÷5
3996261.2
n2
399252589465636
n3
7.9775881614052E+21
n4
1.5940263019502E+29
n5
3.1850727311314E+36
2 √n
4470.0454136396
3 √n
271.35716309104
4 √n
66.858398228192
5 √n
28.848602133908
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
-19981305
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 19981306 can be divided by 4 positive divisors.
The sum of these divisors (counting 19981306) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100001110001111111010
3
Ternary
1101121011012101
4
Quaternary
1030032033322
5
Quinary
20103400211
6
Senary
1552134014
8
Octal
114161772
10
Decimal
19981306
12
Duodecimal
683730a
16
Hexadecimal
130e3fa
20
Vigesimal
64hd56
36
Base36
bw9oa
md5
c5c675243851eb1080075945090ebd63
sha1
c94ac595d1233fe05c28be87ebac7d39031ca02a
sha256
799d5024505fb0454f8216f3f1216346c8f5904488e9ef4edeb4888aa189c87f
sha512
03136072e05a7178df8f306979eb728bef399e9d0bd5d82f41ddc61b14a8fdfaf8e41b4a63234e530ea9e157b180ff62aa4b46a14fc81c054691f2c2140622df
ripemd-160
a13b835cfb95ac8cb65c43a1ff49b21c5a4d14b0
Diameter
39962612
Circumference
125546248.27746
Area
1.2542890019919E+15
Volume
3.3416443148314E+22
Surface area
5.0171560079678E+15
Circumference
125546248.27746
Perimeter
79925224
Area
399252589465636
Diagonal
28257833.939127
Surface area
2395515536793816
Volume
7.9775881614052E+21
Space diagonal
34608637.193581
Perimeter
59943918
Area
1.7288144250198E+14
Altitude
17304318.59679
Surface area
1.7288144250198E+14
Volume
9.4016778107386E+20
Height
9419277.979709